diff options
| author |   Jay Cornwall <jay.cornwall@amd.com> | 2019-07-24 12:23:42 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-07-30 23:22:11 -0500 |
| commit | a36e89674000a2663421da57391ad5897081a2e1 (patch) | |
| tree | c2dbdb81f432b18495d5bc64b28de660ff79fca0 /drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm | |
| parent | drm/amdkfd: Fix lost single step exceptions in gfx9 trap handler (diff) | |
| download | linux-dev-a36e89674000a2663421da57391ad5897081a2e1.tar.xz linux-dev-a36e89674000a2663421da57391ad5897081a2e1.zip | |
drm/amdkfd: Replace gfx10 trap handler with correct branch
Previously submitted code was taken from an incorrect branch and
was non-functional.
Cc: Oak Zeng <oak.zeng@amd.com>
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-By: Oak Zeng <oak.zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm | 1978 |
1 files changed, 903 insertions, 1075 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm index f20e463e748b..261e05430852 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm @@ -20,1105 +20,933 @@ * OTHER DEALINGS IN THE SOFTWARE. */ +var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 +var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 +var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 +var SQ_WAVE_STATUS_HALT_MASK = 0x2000 + +var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 +var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 +var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT = 8 +var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 +var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 +var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE = 4 +var SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT = 24 +var SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE = 4 +var SQ_WAVE_IB_STS2_WAVE64_SHIFT = 11 +var SQ_WAVE_IB_STS2_WAVE64_SIZE = 1 + +var SQ_WAVE_TRAPSTS_SAVECTX_MASK = 0x400 +var SQ_WAVE_TRAPSTS_EXCE_MASK = 0x1FF +var SQ_WAVE_TRAPSTS_SAVECTX_SHIFT = 10 +var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 +var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 +var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF +var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 +var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 +var SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK = 0xFFFFF800 +var SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT = 11 +var SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE = 21 +var SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK = 0x800 + +var SQ_WAVE_IB_STS_RCNT_SHIFT = 16 +var SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT = 15 +var SQ_WAVE_IB_STS_REPLAY_W64H_SHIFT = 25 +var SQ_WAVE_IB_STS_REPLAY_W64H_SIZE = 1 +var SQ_WAVE_IB_STS_REPLAY_W64H_MASK = 0x02000000 +var SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE = 1 +var SQ_WAVE_IB_STS_RCNT_SIZE = 6 +var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK = 0x003F8000 +var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG = 0x00007FFF + +var SQ_BUF_RSRC_WORD1_ATC_SHIFT = 24 +var SQ_BUF_RSRC_WORD3_MTYPE_SHIFT = 27 + +// bits [31:24] unused by SPI debug data +var TTMP11_SAVE_REPLAY_W64H_SHIFT = 31 +var TTMP11_SAVE_REPLAY_W64H_MASK = 0x80000000 +var TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT = 24 +var TTMP11_SAVE_RCNT_FIRST_REPLAY_MASK = 0x7F000000 + +// SQ_SEL_X/Y/Z/W, BUF_NUM_FORMAT_FLOAT, (0 for MUBUF stride[17:14] +// when ADD_TID_ENABLE and BUF_DATA_FORMAT_32 for MTBUF), ADD_TID_ENABLE +var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 +var S_SAVE_BUF_RSRC_WORD3_MISC = 0x10807FAC + +var S_SAVE_SPI_INIT_ATC_MASK = 0x08000000 +var S_SAVE_SPI_INIT_ATC_SHIFT = 27 +var S_SAVE_SPI_INIT_MTYPE_MASK = 0x70000000 +var S_SAVE_SPI_INIT_MTYPE_SHIFT = 28 +var S_SAVE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 +var S_SAVE_SPI_INIT_FIRST_WAVE_SHIFT = 26 + +var S_SAVE_PC_HI_RCNT_SHIFT = 26 +var S_SAVE_PC_HI_RCNT_MASK = 0xFC000000 +var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 25 +var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x02000000 +var S_SAVE_PC_HI_REPLAY_W64H_SHIFT = 24 +var S_SAVE_PC_HI_REPLAY_W64H_MASK = 0x01000000 + +var s_sgpr_save_num = 106 + +var s_save_spi_init_lo = exec_lo +var s_save_spi_init_hi = exec_hi +var s_save_pc_lo = ttmp0 +var s_save_pc_hi = ttmp1 +var s_save_exec_lo = ttmp2 +var s_save_exec_hi = ttmp3 +var s_save_status = ttmp12 +var s_save_trapsts = ttmp5 +var s_save_xnack_mask = ttmp6 +var s_wave_size = ttmp7 +var s_save_buf_rsrc0 = ttmp8 +var s_save_buf_rsrc1 = ttmp9 +var s_save_buf_rsrc2 = ttmp10 +var s_save_buf_rsrc3 = ttmp11 +var s_save_mem_offset = ttmp14 +var s_save_alloc_size = s_save_trapsts +var s_save_tmp = s_save_buf_rsrc2 +var s_save_m0 = ttmp15 + +var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE +var S_RESTORE_BUF_RSRC_WORD3_MISC = S_SAVE_BUF_RSRC_WORD3_MISC + +var S_RESTORE_SPI_INIT_ATC_MASK = 0x08000000 +var S_RESTORE_SPI_INIT_ATC_SHIFT = 27 +var S_RESTORE_SPI_INIT_MTYPE_MASK = 0x70000000 +var S_RESTORE_SPI_INIT_MTYPE_SHIFT = 28 +var S_RESTORE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 +var S_RESTORE_SPI_INIT_FIRST_WAVE_SHIFT = 26 +var S_WAVE_SIZE = 25 + +var S_RESTORE_PC_HI_RCNT_SHIFT = S_SAVE_PC_HI_RCNT_SHIFT +var S_RESTORE_PC_HI_RCNT_MASK = S_SAVE_PC_HI_RCNT_MASK +var S_RESTORE_PC_HI_FIRST_REPLAY_SHIFT = S_SAVE_PC_HI_FIRST_REPLAY_SHIFT +var S_RESTORE_PC_HI_FIRST_REPLAY_MASK = S_SAVE_PC_HI_FIRST_REPLAY_MASK + +var s_restore_spi_init_lo = exec_lo +var s_restore_spi_init_hi = exec_hi +var s_restore_mem_offset = ttmp12 +var s_restore_alloc_size = ttmp3 +var s_restore_tmp = ttmp6 +var s_restore_mem_offset_save = s_restore_tmp +var s_restore_m0 = s_restore_alloc_size +var s_restore_mode = ttmp7 +var s_restore_pc_lo = ttmp0 +var s_restore_pc_hi = ttmp1 +var s_restore_exec_lo = ttmp14 +var s_restore_exec_hi = ttmp15 +var s_restore_status = ttmp4 +var s_restore_trapsts = ttmp5 +var s_restore_xnack_mask = ttmp13 +var s_restore_buf_rsrc0 = ttmp8 +var s_restore_buf_rsrc1 = ttmp9 +var s_restore_buf_rsrc2 = ttmp10 +var s_restore_buf_rsrc3 = ttmp11 +var s_restore_size = ttmp7 shader main + asic(DEFAULT) + type(CS) + wave_size(32) -asic(DEFAULT) - -type(CS) - -wave_size(32) -/*************************************************************************/ -/* control on how to run the shader */ -/*************************************************************************/ -//any hack that needs to be made to run this code in EMU (either becasue various EMU code are not ready or no compute save & restore in EMU run) -var EMU_RUN_HACK = 0 -var EMU_RUN_HACK_RESTORE_NORMAL = 0 -var EMU_RUN_HACK_SAVE_NORMAL_EXIT = 0 -var EMU_RUN_HACK_SAVE_SINGLE_WAVE = 0 -var EMU_RUN_HACK_SAVE_FIRST_TIME = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK -var SAVE_LDS = 0 -var WG_BASE_ADDR_LO = 0x9000a000 -var WG_BASE_ADDR_HI = 0x0 -var WAVE_SPACE = 0x9000 //memory size that each wave occupies in workgroup state mem, increase from 5000 to 9000 for more SGPR need to be saved -var CTX_SAVE_CONTROL = 0x0 -var CTX_RESTORE_CONTROL = CTX_SAVE_CONTROL -var SIM_RUN_HACK = 0 //any hack that needs to be made to run this code in SIM (either becasue various RTL code are not ready or no compute save & restore in RTL run) -var SGPR_SAVE_USE_SQC = 0 //use SQC D$ to do the write -var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //need to change BUF_DATA_FORMAT in S_SAVE_BUF_RSRC_WORD3_MISC from 0 to BUF_DATA_FORMAT_32 if set to 1 (i.e. 0x00827FAC) -var SWIZZLE_EN = 0 //whether we use swizzled buffer addressing -var SAVE_RESTORE_HWID_DDID = 0 -var RESTORE_DDID_IN_SGPR18 = 0 -/**************************************************************************/ -/* variables */ -/**************************************************************************/ -var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 -var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 -var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 - -var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 -var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 -var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT = 8 -var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 -var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 -var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE = 4 //FIXME sq.blk still has 4 bits at this time while SQ programming guide has 3 bits -var SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT = 24 -var SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE = 4 -var SQ_WAVE_IB_STS2_WAVE64_SHIFT = 11 -var SQ_WAVE_IB_STS2_WAVE64_SIZE = 1 - -var SQ_WAVE_TRAPSTS_SAVECTX_MASK = 0x400 -var SQ_WAVE_TRAPSTS_EXCE_MASK = 0x1FF // Exception mask -var SQ_WAVE_TRAPSTS_SAVECTX_SHIFT = 10 -var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 -var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 -var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF -var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 -var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 -var SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK = 0xFFFFF800 -var SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT = 11 -var SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE = 21 - -var SQ_WAVE_IB_STS_RCNT_SHIFT = 16 //FIXME -var SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT = 15 //FIXME -var SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE = 1 //FIXME -var SQ_WAVE_IB_STS_RCNT_SIZE = 6 //FIXME -var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG = 0x00007FFF //FIXME - -var SQ_BUF_RSRC_WORD1_ATC_SHIFT = 24 -var SQ_BUF_RSRC_WORD3_MTYPE_SHIFT = 27 - - -/* Save */ -var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 //stride is 4 bytes -var S_SAVE_BUF_RSRC_WORD3_MISC = 0x00807FAC //SQ_SEL_X/Y/Z/W, BUF_NUM_FORMAT_FLOAT, (0 for MUBUF stride[17:14] when ADD_TID_ENABLE and BUF_DATA_FORMAT_32 for MTBUF), ADD_TID_ENABLE - -var S_SAVE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit -var S_SAVE_SPI_INIT_ATC_SHIFT = 27 -var S_SAVE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype -var S_SAVE_SPI_INIT_MTYPE_SHIFT = 28 -var S_SAVE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG -var S_SAVE_SPI_INIT_FIRST_WAVE_SHIFT = 26 - -var S_SAVE_PC_HI_RCNT_SHIFT = 28 //FIXME check with Brian to ensure all fields other than PC[47:0] can be used -var S_SAVE_PC_HI_RCNT_MASK = 0xF0000000 //FIXME -var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 27 //FIXME -var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x08000000 //FIXME - -var s_save_spi_init_lo = exec_lo -var s_save_spi_init_hi = exec_hi - -var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3¡¯h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} -var s_save_pc_hi = ttmp1 -var s_save_exec_lo = ttmp2 -var s_save_exec_hi = ttmp3 -var s_save_status = ttmp4 -var s_save_trapsts = ttmp5 //not really used until the end of the SAVE routine -var s_wave_size = ttmp6 //ttmp6 is not needed now, since it's only 32bit xnack mask, now use it to determine wave32 or wave64 in EMU_HACK -var s_save_xnack_mask = ttmp7 -var s_save_buf_rsrc0 = ttmp8 -var s_save_buf_rsrc1 = ttmp9 -var s_save_buf_rsrc2 = ttmp10 -var s_save_buf_rsrc3 = ttmp11 - -var s_save_mem_offset = ttmp14 -var s_sgpr_save_num = 106 //in gfx10, all sgpr must be saved -var s_save_alloc_size = s_save_trapsts //conflict -var s_save_tmp = s_save_buf_rsrc2 //shared with s_save_buf_rsrc2 (conflict: should not use mem access with s_save_tmp at the same time) -var s_save_m0 = ttmp15 - -/* Restore */ -var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE -var S_RESTORE_BUF_RSRC_WORD3_MISC = S_SAVE_BUF_RSRC_WORD3_MISC - -var S_RESTORE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit -var S_RESTORE_SPI_INIT_ATC_SHIFT = 27 -var S_RESTORE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype -var S_RESTORE_SPI_INIT_MTYPE_SHIFT = 28 -var S_RESTORE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG -var S_RESTORE_SPI_INIT_FIRST_WAVE_SHIFT = 26 - -var S_RESTORE_PC_HI_RCNT_SHIFT = S_SAVE_PC_HI_RCNT_SHIFT -var S_RESTORE_PC_HI_RCNT_MASK = S_SAVE_PC_HI_RCNT_MASK -var S_RESTORE_PC_HI_FIRST_REPLAY_SHIFT = S_SAVE_PC_HI_FIRST_REPLAY_SHIFT -var S_RESTORE_PC_HI_FIRST_REPLAY_MASK = S_SAVE_PC_HI_FIRST_REPLAY_MASK - -var s_restore_spi_init_lo = exec_lo -var s_restore_spi_init_hi = exec_hi - -var s_restore_mem_offset = ttmp12 -var s_restore_alloc_size = ttmp3 -var s_restore_tmp = ttmp6 -var s_restore_mem_offset_save = s_restore_tmp //no conflict - -var s_restore_m0 = s_restore_alloc_size //no conflict - -var s_restore_mode = ttmp13 -var s_restore_hwid1 = ttmp2 -var s_restore_ddid = s_restore_hwid1 -var s_restore_pc_lo = ttmp0 -var s_restore_pc_hi = ttmp1 -var s_restore_exec_lo = ttmp14 -var s_restore_exec_hi = ttmp15 -var s_restore_status = ttmp4 -var s_restore_trapsts = ttmp5 -//var s_restore_xnack_mask_lo = xnack_mask_lo -//var s_restore_xnack_mask_hi = xnack_mask_hi -var s_restore_xnack_mask = ttmp7 -var s_restore_buf_rsrc0 = ttmp8 -var s_restore_buf_rsrc1 = ttmp9 -var s_restore_buf_rsrc2 = ttmp10 -var s_restore_buf_rsrc3 = ttmp11 -var s_restore_size = ttmp13 //ttmp13 has no conflict - -/**************************************************************************/ -/* trap handler entry points */ -/**************************************************************************/ - if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) //hack to use trap_id for determining save/restore - //FIXME VCCZ un-init assertion s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC - s_and_b32 s_save_tmp, s_save_pc_hi, 0xffff0000 //change SCC - s_cmp_eq_u32 s_save_tmp, 0x007e0000 //Save: trap_id = 0x7e. Restore: trap_id = 0x7f. - s_cbranch_scc0 L_JUMP_TO_RESTORE //do not need to recover STATUS here since we are going to RESTORE - //FIXME s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //need to recover STATUS since we are going to SAVE - s_branch L_SKIP_RESTORE //NOT restore, SAVE actually - else - s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save - end + s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save L_JUMP_TO_RESTORE: - s_branch L_RESTORE //restore + s_branch L_RESTORE L_SKIP_RESTORE: - - s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC - s_andn2_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_SPI_PRIO_MASK //check whether this is for save - s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) - s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_SAVECTX_MASK //check whether this is for save - s_cbranch_scc1 L_SAVE //this is the operation for save - - // ********* Handle non-CWSR traps ******************* - if (!EMU_RUN_HACK) - s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) - s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_EXCE_MASK // Check whether it is an exception - s_cbranch_scc1 L_EXCP_CASE // Exception, jump back to the shader program directly. - s_add_u32 ttmp0, ttmp0, 4 // S_TRAP case, add 4 to ttmp0 - - L_EXCP_CASE: - s_and_b32 ttmp1, ttmp1, 0xFFFF - s_rfe_b64 [ttmp0, ttmp1] - end - // ********* End handling of non-CWSR traps ******************* - -/**************************************************************************/ -/* save routine */ -/**************************************************************************/ - -L_SAVE: - + s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC + s_andn2_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_SPI_PRIO_MASK + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_SAVECTX_MASK //check whether this is for save + s_cbranch_scc1 L_SAVE + + // If STATUS.MEM_VIOL is asserted then halt the wave to prevent + // the exception raising again and blocking context save. + s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK + s_cbranch_scc0 L_FETCH_2ND_TRAP + s_or_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_HALT_MASK + +L_FETCH_2ND_TRAP: + // Preserve and clear scalar XNACK state before issuing scalar loads. + // Save IB_STS.REPLAY_W64H[25], RCNT[21:16], FIRST_REPLAY[15] into + // unused space ttmp11[31:24]. + s_andn2_b32 ttmp11, ttmp11, (TTMP11_SAVE_REPLAY_W64H_MASK | TTMP11_SAVE_RCNT_FIRST_REPLAY_MASK) + s_getreg_b32 ttmp2, hwreg(HW_REG_IB_STS) + s_and_b32 ttmp3, ttmp2, SQ_WAVE_IB_STS_REPLAY_W64H_MASK + s_lshl_b32 ttmp3, ttmp3, (TTMP11_SAVE_REPLAY_W64H_SHIFT - SQ_WAVE_IB_STS_REPLAY_W64H_SHIFT) + s_or_b32 ttmp11, ttmp11, ttmp3 + s_and_b32 ttmp3, ttmp2, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK + s_lshl_b32 ttmp3, ttmp3, (TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) + s_or_b32 ttmp11, ttmp11, ttmp3 + s_andn2_b32 ttmp2, ttmp2, (SQ_WAVE_IB_STS_REPLAY_W64H_MASK | SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK) + s_setreg_b32 hwreg(HW_REG_IB_STS), ttmp2 + + // Read second-level TBA/TMA from first-level TMA and jump if available. + // ttmp[2:5] and ttmp12 can be used (others hold SPI-initialized debug data) + // ttmp12 holds SQ_WAVE_STATUS + s_getreg_b32 ttmp4, hwreg(HW_REG_SHADER_TMA_LO) + s_getreg_b32 ttmp5, hwreg(HW_REG_SHADER_TMA_HI) + s_lshl_b64 [ttmp4, ttmp5], [ttmp4, ttmp5], 0x8 + s_load_dwordx2 [ttmp2, ttmp3], [ttmp4, ttmp5], 0x0 glc:1 // second-level TBA + s_waitcnt lgkmcnt(0) + s_load_dwordx2 [ttmp4, ttmp5], [ttmp4, ttmp5], 0x8 glc:1 // second-level TMA + s_waitcnt lgkmcnt(0) + s_and_b64 [ttmp2, ttmp3], [ttmp2, ttmp3], [ttmp2, ttmp3] + s_cbranch_scc0 L_NO_NEXT_TRAP // second-level trap handler not been set + s_setpc_b64 [ttmp2, ttmp3] // jump to second-level trap handler + +L_NO_NEXT_TRAP: + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_EXCE_MASK + s_cbranch_scc1 L_EXCP_CASE // Exception, jump back to the shader program directly. + s_add_u32 ttmp0, ttmp0, 4 // S_TRAP case, add 4 to ttmp0 + s_addc_u32 ttmp1, ttmp1, 0 +L_EXCP_CASE: + s_and_b32 ttmp1, ttmp1, 0xFFFF + + // Restore SQ_WAVE_IB_STS. + s_lshr_b32 ttmp2, ttmp11, (TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) + s_and_b32 ttmp3, ttmp2, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK + s_lshr_b32 ttmp2, ttmp11, (TTMP11_SAVE_REPLAY_W64H_SHIFT - SQ_WAVE_IB_STS_REPLAY_W64H_SHIFT) + s_and_b32 ttmp2, ttmp2, SQ_WAVE_IB_STS_REPLAY_W64H_MASK + s_or_b32 ttmp2, ttmp2, ttmp3 + s_setreg_b32 hwreg(HW_REG_IB_STS), ttmp2 + + // Restore SQ_WAVE_STATUS. + s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 + s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 + s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status + + s_rfe_b64 [ttmp0, ttmp1] + +L_SAVE: //check whether there is mem_viol - s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) - s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK s_cbranch_scc0 L_NO_PC_REWIND - + //if so, need rewind PC assuming GDS operation gets NACKed - s_mov_b32 s_save_tmp, 0 //clear mem_viol bit - s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT, 1), s_save_tmp //clear mem_viol bit - s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] - s_sub_u32 s_save_pc_lo, s_save_pc_lo, 8 //pc[31:0]-8 - s_subb_u32 s_save_pc_hi, s_save_pc_hi, 0x0 // -scc + s_mov_b32 s_save_tmp, 0 + s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT, 1), s_save_tmp //clear mem_viol bit + s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] + s_sub_u32 s_save_pc_lo, s_save_pc_lo, 8 //pc[31:0]-8 + s_subb_u32 s_save_pc_hi, s_save_pc_hi, 0x0 L_NO_PC_REWIND: - s_mov_b32 s_save_tmp, 0 //clear saveCtx bit - s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_SAVECTX_SHIFT, 1), s_save_tmp //clear saveCtx bit - - //s_mov_b32 s_save_xnack_mask_lo, xnack_mask_lo //save XNACK_MASK - //s_mov_b32 s_save_xnack_mask_hi, xnack_mask_hi - s_getreg_b32 s_save_xnack_mask, hwreg(HW_REG_SHADER_XNACK_MASK) - s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_RCNT_SHIFT, SQ_WAVE_IB_STS_RCNT_SIZE) //save RCNT - s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_RCNT_SHIFT - s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp - s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT, SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE) //save FIRST_REPLAY - s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT - s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp - s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS) //clear RCNT and FIRST_REPLAY in IB_STS - s_and_b32 s_save_tmp, s_save_tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG + s_mov_b32 s_save_tmp, 0 + s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_SAVECTX_SHIFT, 1), s_save_tmp //clear saveCtx bit + + s_getreg_b32 s_save_xnack_mask, hwreg(HW_REG_SHADER_XNACK_MASK) + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_RCNT_SHIFT, SQ_WAVE_IB_STS_RCNT_SIZE) + s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_RCNT_SHIFT + s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT, SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE) + s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT + s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_REPLAY_W64H_SHIFT, SQ_WAVE_IB_STS_REPLAY_W64H_SIZE) + s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_REPLAY_W64H_SHIFT + s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp + s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS) //clear RCNT and FIRST_REPLAY and REPLAY_W64H in IB_STS + s_and_b32 s_save_tmp, s_save_tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG s_setreg_b32 hwreg(HW_REG_IB_STS), s_save_tmp - - /* inform SPI the readiness and wait for SPI's go signal */ - s_mov_b32 s_save_exec_lo, exec_lo //save EXEC and use EXEC for the go signal from SPI - s_mov_b32 s_save_exec_hi, exec_hi - s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive - if (EMU_RUN_HACK) - - else - s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC - end - - L_SLEEP: - s_sleep 0x2 - - if (EMU_RUN_HACK) - - else - s_cbranch_execz L_SLEEP - end - - - /* setup Resource Contants */ - if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_SINGLE_WAVE)) - //calculate wd_addr using absolute thread id - v_readlane_b32 s_save_tmp, v9, 0 - //determine it is wave32 or wave64 - s_getreg_b32 s_wave_size, hwreg(HW_REG_IB_STS2,SQ_WAVE_IB_STS2_WAVE64_SHIFT,SQ_WAVE_IB_STS2_WAVE64_SIZE) - s_cmp_eq_u32 s_wave_size, 0 - s_cbranch_scc1 L_SAVE_WAVE32 - s_lshr_b32 s_save_tmp, s_save_tmp, 6 //SAVE WAVE64 - s_branch L_SAVE_CON - L_SAVE_WAVE32: - s_lshr_b32 s_save_tmp, s_save_tmp, 5 //SAVE WAVE32 - L_SAVE_CON: - s_mul_i32 s_save_tmp, s_save_tmp, WAVE_SPACE - s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO - s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI - s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL - else - end - if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_SINGLE_WAVE)) - s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO - s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI - s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL - else - end - - - s_mov_b32 s_save_buf_rsrc0, s_save_spi_init_lo //base_addr_lo - s_and_b32 s_save_buf_rsrc1, s_save_spi_init_hi, 0x0000FFFF //base_addr_hi - s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE - s_mov_b32 s_save_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) although not neccessarily inited - s_mov_b32 s_save_buf_rsrc3, S_SAVE_BUF_RSRC_WORD3_MISC - s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_ATC_MASK - s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position - s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or ATC - s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_MTYPE_MASK - s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position - s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or MTYPE - - s_mov_b32 s_save_m0, m0 //save M0 - - /* global mem offset */ - s_mov_b32 s_save_mem_offset, 0x0 //mem offset initial value = 0 - s_getreg_b32 s_wave_size, hwreg(HW_REG_IB_STS2,SQ_WAVE_IB_STS2_WAVE64_SHIFT,SQ_WAVE_IB_STS2_WAVE64_SIZE) //get wave_save_size - s_or_b32 s_wave_size, s_save_spi_init_hi, s_wave_size //share s_wave_size with exec_hi - - /* save VGPRs */ - ////////////////////////////// - L_SAVE_VGPR: - - s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_ENABLE_SAVE_VGPR_EXEC_HI - s_mov_b32 exec_hi, 0x00000000 - s_branch L_SAVE_VGPR_NORMAL - L_ENABLE_SAVE_VGPR_EXEC_HI: - s_mov_b32 exec_hi, 0xFFFFFFFF - L_SAVE_VGPR_NORMAL: - s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size - //for wave32 and wave64, the num of vgpr function is the same? - s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 - s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) //FIXME for GFX, zero is possible - //determine it is wave32 or wave64 - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_SAVE_VGPR_WAVE64 - - //zhenxu added it for save vgpr for wave32 - s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 7 //NUM_RECORDS in bytes (32 threads*4) - if (SWIZZLE_EN) - s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_mov_b32 m0, 0x0 //VGPR initial index value =0 - //s_set_gpr_idx_on m0, 0x1 //M0[7:0] = M0[7:0] and M0[15:12] = 0x1 - //s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 //add 0x1000 since we compare m0 against it later, doesn't need this in gfx10 - - L_SAVE_VGPR_WAVE32_LOOP: - v_movrels_b32 v0, v0 //v0 = v[0+m0] - - if(USE_MTBUF_INSTEAD_OF_MUBUF) - tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - else - buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 - end - - s_add_u32 m0, m0, 1 //next vgpr index - s_add_u32 s_save_mem_offset, s_save_mem_offset, 128 //every buffer_store_dword does 128 bytes - s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_SAVE_VGPR_WAVE32_LOOP //VGPR save is complete? - s_branch L_SAVE_LDS - //save vgpr for wave32 ends - - L_SAVE_VGPR_WAVE64: - s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) - if (SWIZZLE_EN) - s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_mov_b32 m0, 0x0 //VGPR initial index value =0 - //s_set_gpr_idx_on m0, 0x1 //M0[7:0] = M0[7:0] and M0[15:12] = 0x1 - //s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 //add 0x1000 since we compare m0 against it later, doesn't need this in gfx10 - - L_SAVE_VGPR_WAVE64_LOOP: - v_movrels_b32 v0, v0 //v0 = v[0+m0] - - if(USE_MTBUF_INSTEAD_OF_MUBUF) - tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - else - buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 - end - - s_add_u32 m0, m0, 1 //next vgpr index - s_add_u32 s_save_mem_offset, s_save_mem_offset, 256 //every buffer_store_dword does 256 bytes - s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_SAVE_VGPR_WAVE64_LOOP //VGPR save is complete? - //s_set_gpr_idx_off - // - //Below part will be the save shared vgpr part (new for gfx10) - s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE) //shared_vgpr_size - s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //shared_vgpr_size is zero? - s_cbranch_scc0 L_SAVE_LDS //no shared_vgpr used? jump to L_SAVE_LDS - s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 3 //Number of SHARED_VGPRs = shared_vgpr_size * 8 (non-zero value) - //m0 now has the value of normal vgpr count, just add the m0 with shared_vgpr count to get the total count. - //save shared_vgpr will start from the index of m0 - s_add_u32 s_save_alloc_size, s_save_alloc_size, m0 - s_mov_b32 exec_lo, 0xFFFFFFFF - s_mov_b32 exec_hi, 0x00000000 - L_SAVE_SHARED_VGPR_WAVE64_LOOP: - v_movrels_b32 v0, v0 //v0 = v[0+m0] - buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 - s_add_u32 m0, m0, 1 //next vgpr index - s_add_u32 s_save_mem_offset, s_save_mem_offset, 128 //every buffer_store_dword does 256 bytes - s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_SAVE_SHARED_VGPR_WAVE64_LOOP //SHARED_VGPR save is complete? - - /* save LDS */ - ////////////////////////////// - L_SAVE_LDS: - - //Only check the first wave need LDS - /* the first wave in the threadgroup */ - s_barrier //FIXME not performance-optimal "LDS is used? wait for other waves in the same TG" - s_and_b32 s_save_tmp, s_wave_size, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here - s_cbranch_scc0 L_SAVE_SGPR - - s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_ENABLE_SAVE_LDS_EXEC_HI - s_mov_b32 exec_hi, 0x00000000 - s_branch L_SAVE_LDS_NORMAL - L_ENABLE_SAVE_LDS_EXEC_HI: - s_mov_b32 exec_hi, 0xFFFFFFFF - L_SAVE_LDS_NORMAL: - s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size - s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //lds_size is zero? - s_cbranch_scc0 L_SAVE_SGPR //no lds used? jump to L_SAVE_VGPR - s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 6 //LDS size in dwords = lds_size * 64dw - s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //LDS size in bytes - s_mov_b32 s_save_buf_rsrc2, s_save_alloc_size //NUM_RECORDS in bytes - if (SWIZZLE_EN) - s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - //load 0~63*4(byte address) to vgpr v15 - v_mbcnt_lo_u32_b32 v0, -1, 0 - v_mbcnt_hi_u32_b32 v0, -1, v0 - v_mul_u32_u24 v0, 4, v0 - - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_mov_b32 m0, 0x0 - s_cbranch_scc1 L_SAVE_LDS_LOOP_W64 - - L_SAVE_LDS_LOOP_W32: - if (SAVE_LDS) - ds_read_b32 v1, v0 - s_waitcnt 0 //ensure data ready - buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 - //buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 //save lds to memory doesn't exist in 10 - end - s_add_u32 m0, m0, 128 //every buffer_store_lds does 128 bytes - s_add_u32 s_save_mem_offset, s_save_mem_offset, 128 //mem offset increased by 128 bytes - v_add_nc_u32 v0, v0, 128 - s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_SAVE_LDS_LOOP_W32 //LDS save is complete? - s_branch L_SAVE_SGPR - - L_SAVE_LDS_LOOP_W64: - if (SAVE_LDS) - ds_read_b32 v1, v0 - s_waitcnt 0 //ensure data ready - buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 - //buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 //save lds to memory doesn't exist in 10 - end - s_add_u32 m0, m0, 256 //every buffer_store_lds does 256 bytes - s_add_u32 s_save_mem_offset, s_save_mem_offset, 256 //mem offset increased by 256 bytes - v_add_nc_u32 v0, v0, 256 - s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_SAVE_LDS_LOOP_W64 //LDS save is complete? - - - /* save SGPRs */ - ////////////////////////////// - //s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size - //s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 - //s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) - //s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 3 //In gfx10, Number of SGPRs = (sgpr_size + 1) * 8 (non-zero value) - L_SAVE_SGPR: - //need to look at it is wave32 or wave64 - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_SAVE_SGPR_VMEM_WAVE64 - if (SGPR_SAVE_USE_SQC) - s_lshl_b32 s_save_buf_rsrc2, s_sgpr_save_num, 2 //NUM_RECORDS in bytes - else - s_lshl_b32 s_save_buf_rsrc2, s_sgpr_save_num, 7 //NUM_RECORDS in bytes (32 threads) - end - s_branch L_SAVE_SGPR_CONT - L_SAVE_SGPR_VMEM_WAVE64: - if (SGPR_SAVE_USE_SQC) - s_lshl_b32 s_save_buf_rsrc2, s_sgpr_save_num, 2 //NUM_RECORDS in bytes - else - s_lshl_b32 s_save_buf_rsrc2, s_sgpr_save_num, 8 //NUM_RECORDS in bytes (64 threads) - end - L_SAVE_SGPR_CONT: - if (SWIZZLE_EN) - s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - //s_mov_b32 m0, 0x0 //SGPR initial index value =0 - //s_nop 0x0 //Manually inserted wait states - - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - - s_mov_b32 m0, 0x0 //SGPR initial index value =0 - s_nop 0x0 //Manually inserted wait states - - s_cbranch_scc1 L_SAVE_SGPR_LOOP_WAVE64 - - L_SAVE_SGPR_LOOP_WAVE32: - s_movrels_b32 s0, s0 //s0 = s[0+m0] - //zhenxu, adding one more argument to save sgpr function, this is only for vmem, using sqc is not change - write_sgpr_to_mem_wave32(s0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //PV: the best performance should be using s_buffer_store_dwordx4 - s_add_u32 m0, m0, 1 //next sgpr index - s_cmp_lt_u32 m0, s_sgpr_save_num //scc = (m0 < s_sgpr_save_num) ? 1 : 0 - s_cbranch_scc1 L_SAVE_SGPR_LOOP_WAVE32 //SGPR save is complete? - s_branch L_SAVE_HWREG - - L_SAVE_SGPR_LOOP_WAVE64: - s_movrels_b32 s0, s0 //s0 = s[0+m0] - //zhenxu, adding one more argument to save sgpr function, this is only for vmem, using sqc is not change - write_sgpr_to_mem_wave64(s0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //PV: the best performance should be using s_buffer_store_dwordx4 - s_add_u32 m0, m0, 1 //next sgpr index - s_cmp_lt_u32 m0, s_sgpr_save_num //scc = (m0 < s_sgpr_save_num) ? 1 : 0 - s_cbranch_scc1 L_SAVE_SGPR_LOOP_WAVE64 //SGPR save is complete? - - - /* save HW registers */ - ////////////////////////////// - L_SAVE_HWREG: - s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes - if (SWIZZLE_EN) - s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_SAVE_HWREG_WAVE64 - - write_sgpr_to_mem_wave32(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //M0 - - if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) - s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 - s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over - end - - write_sgpr_to_mem_wave32(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //PC - write_sgpr_to_mem_wave32(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - write_sgpr_to_mem_wave32(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //EXEC - write_sgpr_to_mem_wave32(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - write_sgpr_to_mem_wave32(s_save_status, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //STATUS - - //s_save_trapsts conflicts with s_save_alloc_size - s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) - write_sgpr_to_mem_wave32(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //TRAPSTS - - //write_sgpr_to_mem_wave32(s_save_xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //XNACK_MASK_LO - write_sgpr_to_mem_wave32(s_save_xnack_mask, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //XNACK_MASK_HI - - //use s_save_tmp would introduce conflict here between s_save_tmp and s_save_buf_rsrc2 - s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) //MODE - write_sgpr_to_mem_wave32(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - if(SAVE_RESTORE_HWID_DDID) - s_getreg_b32 s_save_m0, hwreg(HW_REG_HW_ID1) //HW_ID1, handler records the SE/SA/WGP/SIMD/wave of the original wave - write_sgpr_to_mem_wave32(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - end - s_branch L_S_PGM_END_SAVED - - L_SAVE_HWREG_WAVE64: - write_sgpr_to_mem_wave64(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //M0 - - if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) - s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 - s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over - end - - write_sgpr_to_mem_wave64(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //PC - write_sgpr_to_mem_wave64(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - write_sgpr_to_mem_wave64(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //EXEC - write_sgpr_to_mem_wave64(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - write_sgpr_to_mem_wave64(s_save_status, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //STATUS - - //s_save_trapsts conflicts with s_save_alloc_size - s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) - write_sgpr_to_mem_wave64(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //TRAPSTS - - //write_sgpr_to_mem_wave64(s_save_xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //XNACK_MASK_LO - write_sgpr_to_mem_wave64(s_save_xnack_mask, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //XNACK_MASK_HI - - //use s_save_tmp would introduce conflict here between s_save_tmp and s_save_buf_rsrc2 - s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) //MODE - write_sgpr_to_mem_wave64(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - - - if(SAVE_RESTORE_HWID_DDID) - s_getreg_b32 s_save_m0, hwreg(HW_REG_HW_ID1) //HW_ID1, handler records the SE/SA/WGP/SIMD/wave of the original wave - write_sgpr_to_mem_wave64(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - - /* save DDID */ - ////////////////////////////// - L_SAVE_DDID: - //EXEC has been saved, no vector inst following - s_mov_b32 exec_lo, 0x80000000 //Set MSB to 1. Cleared when draw index is returned - s_sendmsg sendmsg(MSG_GET_DDID) - - L_WAIT_DDID_LOOP: - s_nop 7 // sleep a bit - s_bitcmp0_b32 exec_lo, 31 // test to see if MSB is cleared, meaning done - s_cbranch_scc0 L_WAIT_DDID_LOOP - - s_mov_b32 s_save_m0, exec_lo - - - s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes - if (SWIZZLE_EN) - s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_SAVE_DDID_WAVE64 - - write_sgpr_to_mem_wave32(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - - L_SAVE_DDID_WAVE64: - write_sgpr_to_mem_wave64(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) - - end - - L_S_PGM_END_SAVED: - /* S_PGM_END_SAVED */ //FIXME graphics ONLY - if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_NORMAL_EXIT)) - s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] - s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 - s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over - s_rfe_b64 s_save_pc_lo //Return to the main shader program - else - end - - - s_branch L_END_PGM - - - -/**************************************************************************/ -/* restore routine */ -/**************************************************************************/ + + /* inform SPI the readiness and wait for SPI's go signal */ + s_mov_b32 s_save_exec_lo, exec_lo //save EXEC and use EXEC for the go signal from SPI + s_mov_b32 s_save_exec_hi, exec_hi + s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive + + s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC + +L_SLEEP: + // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause + // SQ hang, since the 7,8th wave could not get arbit to exec inst, while + // other waves are stuck into the sleep-loop and waiting for wrexec!=0 + s_sleep 0x2 + s_cbranch_execz L_SLEEP + + /* setup Resource Contants */ + s_mov_b32 s_save_buf_rsrc0, s_save_spi_init_lo //base_addr_lo + s_and_b32 s_save_buf_rsrc1, s_save_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE + s_mov_b32 s_save_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) although not neccessarily inited + s_mov_b32 s_save_buf_rsrc3, S_SAVE_BUF_RSRC_WORD3_MISC + s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_ATC_MASK + s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) + s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or ATC + s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_MTYPE_MASK + s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) + s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or MTYPE + + s_mov_b32 s_save_m0, m0 + + /* global mem offset */ + s_mov_b32 s_save_mem_offset, 0x0 + s_getreg_b32 s_wave_size, hwreg(HW_REG_IB_STS2,SQ_WAVE_IB_STS2_WAVE64_SHIFT,SQ_WAVE_IB_STS2_WAVE64_SIZE) + s_lshl_b32 s_wave_size, s_wave_size, S_WAVE_SIZE + s_or_b32 s_wave_size, s_save_spi_init_hi, s_wave_size //share s_wave_size with exec_hi, it's at bit25 + + /* save HW registers */ + +L_SAVE_HWREG: + // HWREG SR memory offset : size(VGPR)+size(SVGPR)+size(SGPR) + get_vgpr_size_bytes(s_save_mem_offset, s_wave_size) + get_svgpr_size_bytes(s_save_tmp) + s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp + s_add_u32 s_save_mem_offset, s_save_mem_offset, get_sgpr_size_bytes() + + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_status, s_save_buf_rsrc0, s_save_mem_offset) + + s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) + write_hwreg_to_mem(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_xnack_mask, s_save_buf_rsrc0, s_save_mem_offset) + + s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) + write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) + + /* the first wave in the threadgroup */ + s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK + s_mov_b32 s_save_exec_hi, 0x0 + s_or_b32 s_save_exec_hi, s_save_tmp, s_save_exec_hi // save first wave bit to s_save_exec_hi.bits[26] + + /* save SGPRs */ + // Save SGPR before LDS save, then the s0 to s4 can be used during LDS save... + + // SGPR SR memory offset : size(VGPR)+size(SVGPR) + get_vgpr_size_bytes(s_save_mem_offset, s_wave_size) + get_svgpr_size_bytes(s_save_tmp) + s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // backup s_save_buf_rsrc0,1 to s_save_pc_lo/hi, since write_16sgpr_to_mem function will change the rsrc0 + s_mov_b32 s_save_xnack_mask, s_save_buf_rsrc0 + s_add_u32 s_save_buf_rsrc0, s_save_buf_rsrc0, s_save_mem_offset + s_addc_u32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0 + + s_mov_b32 m0, 0x0 //SGPR initial index value =0 + s_nop 0x0 //Manually inserted wait states +L_SAVE_SGPR_LOOP: + // SGPR is allocated in 16 SGPR granularity + s_movrels_b64 s0, s0 //s0 = s[0+m0], s1 = s[1+m0] + s_movrels_b64 s2, s2 //s2 = s[2+m0], s3 = s[3+m0] + s_movrels_b64 s4, s4 //s4 = s[4+m0], s5 = s[5+m0] + s_movrels_b64 s6, s6 //s6 = s[6+m0], s7 = s[7+m0] + s_movrels_b64 s8, s8 //s8 = s[8+m0], s9 = s[9+m0] + s_movrels_b64 s10, s10 //s10 = s[10+m0], s11 = s[11+m0] + s_movrels_b64 s12, s12 //s12 = s[12+m0], s13 = s[13+m0] + s_movrels_b64 s14, s14 //s14 = s[14+m0], s15 = s[15+m0] + + write_16sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset) + s_add_u32 m0, m0, 16 //next sgpr index + s_cmp_lt_u32 m0, 96 //scc = (m0 < first 96 SGPR) ? 1 : 0 + s_cbranch_scc1 L_SAVE_SGPR_LOOP //first 96 SGPR save is complete? + + //save the rest 10 SGPR + s_movrels_b64 s0, s0 //s0 = s[0+m0], s1 = s[1+m0] + s_movrels_b64 s2, s2 //s2 = s[2+m0], s3 = s[3+m0] + s_movrels_b64 s4, s4 //s4 = s[4+m0], s5 = s[5+m0] + s_movrels_b64 s6, s6 //s6 = s[6+m0], s7 = s[7+m0] + s_movrels_b64 s8, s8 //s8 = s[8+m0], s9 = s[9+m0] + write_10sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset) + + // restore s_save_buf_rsrc0,1 + s_mov_b32 s_save_buf_rsrc0, s_save_xnack_mask + + /* save first 4 VGPR, then LDS save could use */ + // each wave will alloc 4 vgprs at least... + + s_mov_b32 s_save_mem_offset, 0 + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_lshr_b32 m0, s_wave_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_ENABLE_SAVE_4VGPR_EXEC_HI + s_mov_b32 exec_hi, 0x00000000 + s_branch L_SAVE_4VGPR_WAVE32 +L_ENABLE_SAVE_4VGPR_EXEC_HI: + s_mov_b32 exec_hi, 0xFFFFFFFF + s_branch L_SAVE_4VGPR_WAVE64 +L_SAVE_4VGPR_WAVE32: + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // VGPR Allocated in 4-GPR granularity + + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:128 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:128*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:128*3 + s_branch L_SAVE_LDS + +L_SAVE_4VGPR_WAVE64: + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // VGPR Allocated in 4-GPR granularity + + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 + + /* save LDS */ + +L_SAVE_LDS: + // Change EXEC to all threads... + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_lshr_b32 m0, s_wave_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_ENABLE_SAVE_LDS_EXEC_HI + s_mov_b32 exec_hi, 0x00000000 + s_branch L_SAVE_LDS_NORMAL +L_ENABLE_SAVE_LDS_EXEC_HI: + s_mov_b32 exec_hi, 0xFFFFFFFF +L_SAVE_LDS_NORMAL: + s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) + s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //lds_size is zero? + s_cbranch_scc0 L_SAVE_LDS_DONE //no lds used? jump to L_SAVE_DONE + + s_barrier //LDS is used? wait for other waves in the same TG + s_and_b32 s_save_tmp, s_save_exec_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK + s_cbranch_scc0 L_SAVE_LDS_DONE + + // first wave do LDS save; + + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 6 //LDS size in dwords = lds_size * 64dw + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //LDS size in bytes + s_mov_b32 s_save_buf_rsrc2, s_save_alloc_size //NUM_RECORDS in bytes + + // LDS at offset: size(VGPR)+size(SVGPR)+SIZE(SGPR)+SIZE(HWREG) + // + get_vgpr_size_bytes(s_save_mem_offset, s_wave_size) + get_svgpr_size_bytes(s_save_tmp) + s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp + s_add_u32 s_save_mem_offset, s_save_mem_offset, get_sgpr_size_bytes() + s_add_u32 s_save_mem_offset, s_save_mem_offset, get_hwreg_size_bytes() + + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + //load 0~63*4(byte address) to vgpr v0 + v_mbcnt_lo_u32_b32 v0, -1, 0 + v_mbcnt_hi_u32_b32 v0, -1, v0 + v_mul_u32_u24 v0, 4, v0 + + s_lshr_b32 m0, s_wave_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_mov_b32 m0, 0x0 + s_cbranch_scc1 L_SAVE_LDS_W64 + +L_SAVE_LDS_W32: + s_mov_b32 s3, 128 + s_nop 0 + s_nop 0 + s_nop 0 +L_SAVE_LDS_LOOP_W32: + ds_read_b32 v1, v0 + s_waitcnt 0 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + + s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes + s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 + v_add_nc_u32 v0, v0, 128 //mem offset increased by 128 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_LDS_LOOP_W32 //LDS save is complete? + + s_branch L_SAVE_LDS_DONE + +L_SAVE_LDS_W64: + s_mov_b32 s3, 256 + s_nop 0 + s_nop 0 + s_nop 0 +L_SAVE_LDS_LOOP_W64: + ds_read_b32 v1, v0 + s_waitcnt 0 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + + s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes + s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 + v_add_nc_u32 v0, v0, 256 //mem offset increased by 256 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_LDS_LOOP_W64 //LDS save is complete? + +L_SAVE_LDS_DONE: + /* save VGPRs - set the Rest VGPRs */ +L_SAVE_VGPR: + // VGPR SR memory offset: 0 + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_lshr_b32 m0, s_wave_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_ENABLE_SAVE_VGPR_EXEC_HI + s_mov_b32 s_save_mem_offset, (0+128*4) // for the rest VGPRs + s_mov_b32 exec_hi, 0x00000000 + s_branch L_SAVE_VGPR_NORMAL +L_ENABLE_SAVE_VGPR_EXEC_HI: + s_mov_b32 s_save_mem_offset, (0+256*4) // for the rest VGPRs + s_mov_b32 exec_hi, 0xFFFFFFFF +L_SAVE_VGPR_NORMAL: + s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) + //determine it is wave32 or wave64 + s_lshr_b32 m0, s_wave_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_SAVE_VGPR_WAVE64 + + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // VGPR Allocated in 4-GPR granularity + + // VGPR store using dw burst + s_mov_b32 m0, 0x4 //VGPR initial index value =4 + s_cmp_lt_u32 m0, s_save_alloc_size + s_cbranch_scc0 L_SAVE_VGPR_END + +L_SAVE_VGPR_W32_LOOP: + v_movrels_b32 v0, v0 //v0 = v[0+m0] + v_movrels_b32 v1, v1 //v1 = v[1+m0] + v_movrels_b32 v2, v2 //v2 = v[2+m0] + v_movrels_b32 v3, v3 //v3 = v[3+m0] + + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:128 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:128*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:128*3 + + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_save_mem_offset, s_save_mem_offset, 128*4 //every buffer_store_dword does 128 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_VGPR_W32_LOOP //VGPR save is complete? + + s_branch L_SAVE_VGPR_END + +L_SAVE_VGPR_WAVE64: + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // VGPR store using dw burst + s_mov_b32 m0, 0x4 //VGPR initial index value =4 + s_cmp_lt_u32 m0, s_save_alloc_size + s_cbranch_scc0 L_SAVE_VGPR_END + +L_SAVE_VGPR_W64_LOOP: + v_movrels_b32 v0, v0 //v0 = v[0+m0] + v_movrels_b32 v1, v1 //v1 = v[1+m0] + v_movrels_b32 v2, v2 //v2 = v[2+m0] + v_movrels_b32 v3, v3 //v3 = v[3+m0] + + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 + + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 //every buffer_store_dword does 256 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_VGPR_W64_LOOP //VGPR save is complete? + + //Below part will be the save shared vgpr part (new for gfx10) + s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE) + s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //shared_vgpr_size is zero? + s_cbranch_scc0 L_SAVE_VGPR_END //no shared_vgpr used? jump to L_SAVE_LDS + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 3 //Number of SHARED_VGPRs = shared_vgpr_size * 8 (non-zero value) + //m0 now has the value of normal vgpr count, just add the m0 with shared_vgpr count to get the total count. + //save shared_vgpr will start from the index of m0 + s_add_u32 s_save_alloc_size, s_save_alloc_size, m0 + s_mov_b32 exec_lo, 0xFFFFFFFF + s_mov_b32 exec_hi, 0x00000000 +L_SAVE_SHARED_VGPR_WAVE64_LOOP: + v_movrels_b32 v0, v0 //v0 = v[0+m0] + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + s_add_u32 m0, m0, 1 //next vgpr index + s_add_u32 s_save_mem_offset, s_save_mem_offset, 128 + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_SHARED_VGPR_WAVE64_LOOP //SHARED_VGPR save is complete? + +L_SAVE_VGPR_END: + s_branch L_END_PGM L_RESTORE: - /* Setup Resource Contants */ - if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) - //calculate wd_addr using absolute thread id - v_readlane_b32 s_restore_tmp, v9, 0 - //determine it is wave32 or wave64 - s_getreg_b32 s_restore_size, hwreg(HW_REG_IB_STS2,SQ_WAVE_IB_STS2_WAVE64_SHIFT,SQ_WAVE_IB_STS2_WAVE64_SIZE) //change to ttmp13 - s_cmp_eq_u32 s_restore_size, 0 - s_cbranch_scc1 L_RESTORE_WAVE32 - s_lshr_b32 s_restore_tmp, s_restore_tmp, 6 //SAVE WAVE64 - s_branch L_RESTORE_CON - L_RESTORE_WAVE32: - s_lshr_b32 s_restore_tmp, s_restore_tmp, 5 //SAVE WAVE32 - L_RESTORE_CON: - s_mul_i32 s_restore_tmp, s_restore_tmp, WAVE_SPACE - s_add_i32 s_restore_spi_init_lo, s_restore_tmp, WG_BASE_ADDR_LO - s_mov_b32 s_restore_spi_init_hi, WG_BASE_ADDR_HI - s_and_b32 s_restore_spi_init_hi, s_restore_spi_init_hi, CTX_RESTORE_CONTROL - else - end - - s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo - s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi - s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE - s_mov_b32 s_restore_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) - s_mov_b32 s_restore_buf_rsrc3, S_RESTORE_BUF_RSRC_WORD3_MISC - s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_ATC_MASK - s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position - s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or ATC - s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_MTYPE_MASK - s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position - s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or MTYPE - //determine it is wave32 or wave64 - s_getreg_b32 s_restore_size, hwreg(HW_REG_IB_STS2,SQ_WAVE_IB_STS2_WAVE64_SHIFT,SQ_WAVE_IB_STS2_WAVE64_SIZE) - s_or_b32 s_restore_size, s_restore_spi_init_hi, s_restore_size //share s_wave_size with exec_hi - - /* global mem offset */ - s_mov_b32 s_restore_mem_offset, 0x0 //mem offset initial value = 0 - - /* restore VGPRs */ - ////////////////////////////// - L_RESTORE_VGPR: - - s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_ENABLE_RESTORE_VGPR_EXEC_HI - s_mov_b32 exec_hi, 0x00000000 - s_branch L_RESTORE_VGPR_NORMAL - L_ENABLE_RESTORE_VGPR_EXEC_HI: - s_mov_b32 exec_hi, 0xFFFFFFFF - L_RESTORE_VGPR_NORMAL: - s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size - s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 - s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) - //determine it is wave32 or wave64 - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_RESTORE_VGPR_WAVE64 - - s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 7 //NUM_RECORDS in bytes (32 threads*4) - if (SWIZZLE_EN) - s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128 - s_mov_b32 m0, 1 //VGPR initial index value = 1 - //s_set_gpr_idx_on m0, 0x8 //M0[7:0] = M0[7:0] and M0[15:12] = 0x8 - //s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 0x8000 //add 0x8000 since we compare m0 against it later, might not need this in gfx10 - - L_RESTORE_VGPR_WAVE32_LOOP: - if(USE_MTBUF_INSTEAD_OF_MUBUF) - tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - else - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 - end - s_waitcnt vmcnt(0) //ensure data ready - v_movreld_b32 v0, v0 //v[0+m0] = v0 - s_add_u32 m0, m0, 1 //next vgpr index - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128 //every buffer_load_dword does 128 bytes - s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_VGPR_WAVE32_LOOP //VGPR restore (except v0) is complete? - //s_set_gpr_idx_off - /* VGPR restore on v0 */ - if(USE_MTBUF_INSTEAD_OF_MUBUF) - tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - else - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 - end - - s_branch L_RESTORE_LDS - - L_RESTORE_VGPR_WAVE64: - s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) - if (SWIZZLE_EN) - s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 - s_mov_b32 m0, 1 //VGPR initial index value = 1 - L_RESTORE_VGPR_WAVE64_LOOP: - if(USE_MTBUF_INSTEAD_OF_MUBUF) - tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - else - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 - end - s_waitcnt vmcnt(0) //ensure data ready - v_movreld_b32 v0, v0 //v[0+m0] = v0 - s_add_u32 m0, m0, 1 //next vgpr index - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 //every buffer_load_dword does 256 bytes - s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_VGPR_WAVE64_LOOP //VGPR restore (except v0) is complete? - //s_set_gpr_idx_off - // - //Below part will be the restore shared vgpr part (new for gfx10) - s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE) //shared_vgpr_size - s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //shared_vgpr_size is zero? - s_cbranch_scc0 L_RESTORE_V0 //no shared_vgpr used? jump to L_SAVE_LDS - s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 3 //Number of SHARED_VGPRs = shared_vgpr_size * 8 (non-zero value) - //m0 now has the value of normal vgpr count, just add the m0 with shared_vgpr count to get the total count. - //restore shared_vgpr will start from the index of m0 - s_add_u32 s_restore_alloc_size, s_restore_alloc_size, m0 - s_mov_b32 exec_lo, 0xFFFFFFFF - s_mov_b32 exec_hi, 0x00000000 - L_RESTORE_SHARED_VGPR_WAVE64_LOOP: - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 - s_waitcnt vmcnt(0) //ensure data ready - v_movreld_b32 v0, v0 //v[0+m0] = v0 - s_add_u32 m0, m0, 1 //next vgpr index - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128 //every buffer_load_dword does 256 bytes - s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_SHARED_VGPR_WAVE64_LOOP //VGPR restore (except v0) is complete? - - s_mov_b32 exec_hi, 0xFFFFFFFF //restore back exec_hi before restoring V0!! - - /* VGPR restore on v0 */ - L_RESTORE_V0: - if(USE_MTBUF_INSTEAD_OF_MUBUF) - tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - else - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 - end - - - /* restore LDS */ - ////////////////////////////// - L_RESTORE_LDS: - - //Only need to check the first wave - /* the first wave in the threadgroup */ - s_and_b32 s_restore_tmp, s_restore_size, S_RESTORE_SPI_INIT_FIRST_WAVE_MASK - s_cbranch_scc0 L_RESTORE_SGPR - - s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_ENABLE_RESTORE_LDS_EXEC_HI - s_mov_b32 exec_hi, 0x00000000 - s_branch L_RESTORE_LDS_NORMAL - L_ENABLE_RESTORE_LDS_EXEC_HI: - s_mov_b32 exec_hi, 0xFFFFFFFF - L_RESTORE_LDS_NORMAL: - s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size - s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //lds_size is zero? - s_cbranch_scc0 L_RESTORE_SGPR //no lds used? jump to L_RESTORE_VGPR - s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 6 //LDS size in dwords = lds_size * 64dw - s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //LDS size in bytes - s_mov_b32 s_restore_buf_rsrc2, s_restore_alloc_size //NUM_RECORDS in bytes - if (SWIZZLE_EN) - s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_and_b32 m0, s_wave_size, 1 - s_cmp_eq_u32 m0, 1 - s_mov_b32 m0, 0x0 - s_cbranch_scc1 L_RESTORE_LDS_LOOP_W64 - - L_RESTORE_LDS_LOOP_W32: - if (SAVE_LDS) - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 - s_waitcnt 0 - end - s_add_u32 m0, m0, 128 //every buffer_load_dword does 256 bytes - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128 //mem offset increased by 256 bytes - s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_LDS_LOOP_W32 //LDS restore is complete? - s_branch L_RESTORE_SGPR - - L_RESTORE_LDS_LOOP_W64: - if (SAVE_LDS) - buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 - s_waitcnt 0 - end - s_add_u32 m0, m0, 256 //every buffer_load_dword does 256 bytes - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 //mem offset increased by 256 bytes - s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_LDS_LOOP_W64 //LDS restore is complete? - - - /* restore SGPRs */ - ////////////////////////////// - //s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size - //s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 - //s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) - //s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 3 //Number of SGPRs = (sgpr_size + 1) * 8 (non-zero value) - L_RESTORE_SGPR: - //need to look at it is wave32 or wave64 - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_RESTORE_SGPR_VMEM_WAVE64 - if (SGPR_SAVE_USE_SQC) - s_lshl_b32 s_restore_buf_rsrc2, s_sgpr_save_num, 2 //NUM_RECORDS in bytes - else - s_lshl_b32 s_restore_buf_rsrc2, s_sgpr_save_num, 7 //NUM_RECORDS in bytes (32 threads) - end - s_branch L_RESTORE_SGPR_CONT - L_RESTORE_SGPR_VMEM_WAVE64: - if (SGPR_SAVE_USE_SQC) - s_lshl_b32 s_restore_buf_rsrc2, s_sgpr_save_num, 2 //NUM_RECORDS in bytes - else - s_lshl_b32 s_restore_buf_rsrc2, s_sgpr_save_num, 8 //NUM_RECORDS in bytes (64 threads) - end - - L_RESTORE_SGPR_CONT: - if (SWIZZLE_EN) - s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_RESTORE_SGPR_WAVE64 - - read_sgpr_from_mem_wave32(s_restore_tmp, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //save s0 to s_restore_tmp - s_mov_b32 m0, 0x1 - - L_RESTORE_SGPR_LOOP_WAVE32: - read_sgpr_from_mem_wave32(s0, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //PV: further performance improvement can be made - s_waitcnt lgkmcnt(0) //ensure data ready - s_movreld_b32 s0, s0 //s[0+m0] = s0 - s_nop 0 // hazard SALU M0=> S_MOVREL - s_add_u32 m0, m0, 1 //next sgpr index - s_cmp_lt_u32 m0, s_sgpr_save_num //scc = (m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_SGPR_LOOP_WAVE32 //SGPR restore (except s0) is complete? - s_mov_b32 s0, s_restore_tmp /* SGPR restore on s0 */ - s_branch L_RESTORE_HWREG - - L_RESTORE_SGPR_WAVE64: - read_sgpr_from_mem_wave64(s_restore_tmp, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //save s0 to s_restore_tmp - s_mov_b32 m0, 0x1 //SGPR initial index value =1 //go on with with s1 - - L_RESTORE_SGPR_LOOP_WAVE64: - read_sgpr_from_mem_wave64(s0, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //PV: further performance improvement can be made - s_waitcnt lgkmcnt(0) //ensure data ready - s_movreld_b32 s0, s0 //s[0+m0] = s0 - s_nop 0 // hazard SALU M0=> S_MOVREL - s_add_u32 m0, m0, 1 //next sgpr index - s_cmp_lt_u32 m0, s_sgpr_save_num //scc = (m0 < s_restore_alloc_size) ? 1 : 0 - s_cbranch_scc1 L_RESTORE_SGPR_LOOP_WAVE64 //SGPR restore (except s0) is complete? - s_mov_b32 s0, s_restore_tmp /* SGPR restore on s0 */ - - - /* restore HW registers */ - ////////////////////////////// - L_RESTORE_HWREG: - s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes - if (SWIZZLE_EN) - s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_RESTORE_HWREG_WAVE64 - - read_sgpr_from_mem_wave32(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //M0 - read_sgpr_from_mem_wave32(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //PC - read_sgpr_from_mem_wave32(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) - read_sgpr_from_mem_wave32(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //EXEC - read_sgpr_from_mem_wave32(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) - read_sgpr_from_mem_wave32(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //STATUS - read_sgpr_from_mem_wave32(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //TRAPSTS - //read_sgpr_from_mem_wave32(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK_LO - //read_sgpr_from_mem_wave32(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK_HI - read_sgpr_from_mem_wave32(s_restore_xnack_mask, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK - read_sgpr_from_mem_wave32(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //MODE - if(SAVE_RESTORE_HWID_DDID) - read_sgpr_from_mem_wave32(s_restore_hwid1, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //HW_ID1 - end - s_branch L_RESTORE_HWREG_FINISH - - L_RESTORE_HWREG_WAVE64: - read_sgpr_from_mem_wave64(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //M0 - read_sgpr_from_mem_wave64(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //PC - read_sgpr_from_mem_wave64(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) - read_sgpr_from_mem_wave64(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //EXEC - read_sgpr_from_mem_wave64(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) - read_sgpr_from_mem_wave64(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //STATUS - read_sgpr_from_mem_wave64(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //TRAPSTS - //read_sgpr_from_mem_wave64(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK_LO - //read_sgpr_from_mem_wave64(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK_HI - read_sgpr_from_mem_wave64(s_restore_xnack_mask, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK - read_sgpr_from_mem_wave64(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //MODE - if(SAVE_RESTORE_HWID_DDID) - read_sgpr_from_mem_wave64(s_restore_hwid1, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //HW_ID1 - end - L_RESTORE_HWREG_FINISH: - s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS - - - - if(SAVE_RESTORE_HWID_DDID) - L_RESTORE_DDID: - s_mov_b32 m0, s_restore_hwid1 //virture ttrace support: The save-context handler records the SE/SA/WGP/SIMD/wave of the original wave - s_ttracedata //and then can output it as SHADER_DATA to ttrace on restore to provide a correlation across the save-restore - - s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes - if (SWIZZLE_EN) - s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? - else - s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes - end - - s_and_b32 m0, s_restore_size, 1 - s_cmp_eq_u32 m0, 1 - s_cbranch_scc1 L_RESTORE_DDID_WAVE64 - - read_sgpr_from_mem_wave32(s_restore_ddid, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) - s_branch L_RESTORE_DDID_FINISH - L_RESTORE_DDID_WAVE64: - read_sgpr_from_mem_wave64(s_restore_ddid, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) - - L_RESTORE_DDID_FINISH: - s_waitcnt lgkmcnt(0) - //s_mov_b32 m0, s_restore_ddid - //s_ttracedata - if (RESTORE_DDID_IN_SGPR18) - s_mov_b32 s18, s_restore_ddid - end - - end - - s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS - - //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: - if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) - s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) - s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over - end - if ((EMU_RUN_HACK) && (EMU_RUN_HACK_RESTORE_NORMAL)) - s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 4 //pc[31:0]+4 // save is hack through s_trap but restore is normal - s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over - end - - s_mov_b32 m0, s_restore_m0 - s_mov_b32 exec_lo, s_restore_exec_lo - s_mov_b32 exec_hi, s_restore_exec_hi - - s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK, s_restore_trapsts + /* Setup Resource Contants */ + s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo + s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE + s_mov_b32 s_restore_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) + s_mov_b32 s_restore_buf_rsrc3, S_RESTORE_BUF_RSRC_WORD3_MISC + s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_ATC_MASK + s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) + s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or ATC + s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_MTYPE_MASK + s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) + s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or MTYPE + //determine it is wave32 or wave64 + s_getreg_b32 s_restore_size, hwreg(HW_REG_IB_STS2,SQ_WAVE_IB_STS2_WAVE64_SHIFT,SQ_WAVE_IB_STS2_WAVE64_SIZE) + s_lshl_b32 s_restore_size, s_restore_size, S_WAVE_SIZE + s_or_b32 s_restore_size, s_restore_spi_init_hi, s_restore_size + + s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_FIRST_WAVE_MASK + s_cbranch_scc0 L_RESTORE_VGPR + + /* restore LDS */ +L_RESTORE_LDS: + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_lshr_b32 m0, s_restore_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_ENABLE_RESTORE_LDS_EXEC_HI + s_mov_b32 exec_hi, 0x00000000 + s_branch L_RESTORE_LDS_NORMAL +L_ENABLE_RESTORE_LDS_EXEC_HI: + s_mov_b32 exec_hi, 0xFFFFFFFF +L_RESTORE_LDS_NORMAL: + s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) + s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //lds_size is zero? + s_cbranch_scc0 L_RESTORE_VGPR //no lds used? jump to L_RESTORE_VGPR + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 6 //LDS size in dwords = lds_size * 64dw + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //LDS size in bytes + s_mov_b32 s_restore_buf_rsrc2, s_restore_alloc_size //NUM_RECORDS in bytes + + // LDS at offset: size(VGPR)+size(SVGPR)+SIZE(SGPR)+SIZE(HWREG) + // + get_vgpr_size_bytes(s_restore_mem_offset, s_restore_size) + get_svgpr_size_bytes(s_restore_tmp) + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_sgpr_size_bytes() + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_hwreg_size_bytes() + + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + s_lshr_b32 m0, s_wave_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_mov_b32 m0, 0x0 + s_cbranch_scc1 L_RESTORE_LDS_LOOP_W64 + +L_RESTORE_LDS_LOOP_W32: + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 // first 64DW + s_add_u32 m0, m0, 128 // 128 DW + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128 //mem offset increased by 128DW + s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_LDS_LOOP_W32 //LDS restore is complete? + s_branch L_RESTORE_VGPR + +L_RESTORE_LDS_LOOP_W64: + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 // first 64DW + s_add_u32 m0, m0, 256 // 256 DW + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 //mem offset increased by 256DW + s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_LDS_LOOP_W64 //LDS restore is complete? + + /* restore VGPRs */ +L_RESTORE_VGPR: + // VGPR SR memory offset : 0 + s_mov_b32 s_restore_mem_offset, 0x0 + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_lshr_b32 m0, s_restore_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_ENABLE_RESTORE_VGPR_EXEC_HI + s_mov_b32 exec_hi, 0x00000000 + s_branch L_RESTORE_VGPR_NORMAL +L_ENABLE_RESTORE_VGPR_EXEC_HI: + s_mov_b32 exec_hi, 0xFFFFFFFF +L_RESTORE_VGPR_NORMAL: + s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) + //determine it is wave32 or wave64 + s_lshr_b32 m0, s_restore_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_RESTORE_VGPR_WAVE64 + + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // VGPR load using dw burst + s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128*4 + s_mov_b32 m0, 4 //VGPR initial index value = 4 + +L_RESTORE_VGPR_WAVE32_LOOP: + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:128 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:128*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:128*3 + s_waitcnt vmcnt(0) + v_movreld_b32 v0, v0 //v[0+m0] = v0 + v_movreld_b32 v1, v1 + v_movreld_b32 v2, v2 + v_movreld_b32 v3, v3 + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128*4 //every buffer_load_dword does 128 bytes + s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_VGPR_WAVE32_LOOP //VGPR restore (except v0) is complete? + + /* VGPR restore on v0 */ + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:128 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:128*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:128*3 + + s_branch L_RESTORE_SGPR + +L_RESTORE_VGPR_WAVE64: + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + // VGPR load using dw burst + s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v4, v0 will be the last + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 + s_mov_b32 m0, 4 //VGPR initial index value = 4 + +L_RESTORE_VGPR_WAVE64_LOOP: + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*3 + s_waitcnt vmcnt(0) + v_movreld_b32 v0, v0 //v[0+m0] = v0 + v_movreld_b32 v1, v1 + v_movreld_b32 v2, v2 + v_movreld_b32 v3, v3 + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 //every buffer_load_dword does 256 bytes + s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_VGPR_WAVE64_LOOP //VGPR restore (except v0) is complete? + + //Below part will be the restore shared vgpr part (new for gfx10) + s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE) //shared_vgpr_size + s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //shared_vgpr_size is zero? + s_cbranch_scc0 L_RESTORE_V0 //no shared_vgpr used? + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 3 //Number of SHARED_VGPRs = shared_vgpr_size * 8 (non-zero value) + //m0 now has the value of normal vgpr count, just add the m0 with shared_vgpr count to get the total count. + //restore shared_vgpr will start from the index of m0 + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, m0 + s_mov_b32 exec_lo, 0xFFFFFFFF + s_mov_b32 exec_hi, 0x00000000 +L_RESTORE_SHARED_VGPR_WAVE64_LOOP: + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 + s_waitcnt vmcnt(0) + v_movreld_b32 v0, v0 //v[0+m0] = v0 + s_add_u32 m0, m0, 1 //next vgpr index + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 128 + s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_RESTORE_SHARED_VGPR_WAVE64_LOOP //VGPR restore (except v0) is complete? + + s_mov_b32 exec_hi, 0xFFFFFFFF //restore back exec_hi before restoring V0!! + + /* VGPR restore on v0 */ +L_RESTORE_V0: + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:128 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:128*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:128*3 + + /* restore SGPRs */ + //will be 2+8+16*6 + // SGPR SR memory offset : size(VGPR)+size(SVGPR) +L_RESTORE_SGPR: + get_vgpr_size_bytes(s_restore_mem_offset, s_restore_size) + get_svgpr_size_bytes(s_restore_tmp) + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_sgpr_size_bytes() + s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 22*4 //s106~s127 is not saved + s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 2*4 // restore SGPR from S[n] to S[0], by 2 sgprs group + + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + s_mov_b32 m0, s_sgpr_save_num + + read_2sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) + + s_waitcnt lgkmcnt(0) + + s_sub_u32 m0, m0, 2 // Restore from S[n] to S[0] + s_nop 0 // hazard SALU M0=> S_MOVREL + + s_movreld_b64 s0, s0 //s[0+m0] = s0 + + read_8sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) + s_waitcnt lgkmcnt(0) + + s_sub_u32 m0, m0, 8 // Restore from S[n] to S[0] + s_nop 0 // hazard SALU M0=> S_MOVREL + + s_movreld_b64 s0, s0 //s[0+m0] = s0 + s_movreld_b64 s2, s2 + s_movreld_b64 s4, s4 + s_movreld_b64 s6, s6 + + L_RESTORE_SGPR_LOOP: + read_16sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) + s_waitcnt lgkmcnt(0) + + s_sub_u32 m0, m0, 16 // Restore from S[n] to S[0] + s_nop 0 // hazard SALU M0=> S_MOVREL + + s_movreld_b64 s0, s0 //s[0+m0] = s0 + s_movreld_b64 s2, s2 + s_movreld_b64 s4, s4 + s_movreld_b64 s6, s6 + s_movreld_b64 s8, s8 + s_movreld_b64 s10, s10 + s_movreld_b64 s12, s12 + s_movreld_b64 s14, s14 + + s_cmp_eq_u32 m0, 0 //scc = (m0 < s_sgpr_save_num) ? 1 : 0 + s_cbranch_scc0 L_RESTORE_SGPR_LOOP + + /* restore HW registers */ +L_RESTORE_HWREG: + // HWREG SR memory offset : size(VGPR)+size(SVGPR)+size(SGPR) + get_vgpr_size_bytes(s_restore_mem_offset, s_restore_size) + get_svgpr_size_bytes(s_restore_tmp) + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_sgpr_size_bytes() + + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes + + read_hwreg_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_xnack_mask, s_restore_buf_rsrc0, s_restore_mem_offset) + read_hwreg_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset) + + s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS + + s_mov_b32 s_restore_tmp, s_restore_pc_hi + s_and_b32 s_restore_pc_hi, s_restore_tmp, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS + + s_mov_b32 m0, s_restore_m0 + s_mov_b32 exec_lo, s_restore_exec_lo + s_mov_b32 exec_hi, s_restore_exec_hi + + s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK, s_restore_trapsts s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE), s_restore_m0 - s_setreg_b32 hwreg(HW_REG_SHADER_XNACK_MASK), s_restore_xnack_mask //restore xnack_mask - s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK, s_restore_trapsts - s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT + s_setreg_b32 hwreg(HW_REG_SHADER_XNACK_MASK), s_restore_xnack_mask + s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK, s_restore_trapsts + s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE), s_restore_m0 - //s_setreg_b32 hwreg(HW_REG_TRAPSTS), s_restore_trapsts //don't overwrite SAVECTX bit as it may be set through external SAVECTX during restore - s_setreg_b32 hwreg(HW_REG_MODE), s_restore_mode - //reuse s_restore_m0 as a temp register - s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_RCNT_MASK - s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_RCNT_SHIFT - s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_RCNT_SHIFT - s_mov_b32 s_restore_tmp, 0x0 //IB_STS is zero - s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 - s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_FIRST_REPLAY_MASK - s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT - s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT - s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 - s_and_b32 s_restore_m0, s_restore_status, SQ_WAVE_STATUS_INST_ATC_MASK - s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT - s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_tmp - s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status - - s_barrier //barrier to ensure the readiness of LDS before access attemps from any other wave in the same TG //FIXME not performance-optimal at this time - - -// s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution - s_rfe_b64 s_restore_pc_lo // s_restore_m0[0] is used to set STATUS.inst_atc - - -/**************************************************************************/ -/* the END */ -/**************************************************************************/ -L_END_PGM: + s_setreg_b32 hwreg(HW_REG_MODE), s_restore_mode + s_and_b32 s_restore_m0, s_restore_tmp, S_SAVE_PC_HI_RCNT_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_RCNT_SHIFT + s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_RCNT_SHIFT + s_mov_b32 s_restore_mode, 0x0 + s_or_b32 s_restore_mode, s_restore_mode, s_restore_m0 + s_and_b32 s_restore_m0, s_restore_tmp, S_SAVE_PC_HI_FIRST_REPLAY_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT + s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT + s_or_b32 s_restore_mode, s_restore_mode, s_restore_m0 + s_and_b32 s_restore_m0, s_restore_tmp, S_SAVE_PC_HI_REPLAY_W64H_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_REPLAY_W64H_SHIFT + s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_REPLAY_W64H_SHIFT + s_or_b32 s_restore_mode, s_restore_mode, s_restore_m0 + + s_and_b32 s_restore_m0, s_restore_status, SQ_WAVE_STATUS_INST_ATC_MASK + s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT + s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_mode + + s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 + s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 + s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status // SCC is included, which is changed by previous salu + + s_barrier //barrier to ensure the readiness of LDS before access attemps from any other wave in the same TG + + s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution + +L_END_PGM: s_endpgm - -end - - -/**************************************************************************/ -/* the helper functions */ -/**************************************************************************/ -function write_sgpr_to_mem_wave32(s, s_rsrc, s_mem_offset, use_sqc, use_mtbuf) - if (use_sqc) - s_mov_b32 exec_lo, m0 //assuming exec_lo is not needed anymore from this point on - s_mov_b32 m0, s_mem_offset - s_buffer_store_dword s, s_rsrc, m0 glc:1 - s_add_u32 s_mem_offset, s_mem_offset, 4 - s_mov_b32 m0, exec_lo - elsif (use_mtbuf) - v_mov_b32 v0, s - tbuffer_store_format_x v0, v0, s_rsrc, s_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - s_add_u32 s_mem_offset, s_mem_offset, 128 - else - v_mov_b32 v0, s - buffer_store_dword v0, v0, s_rsrc, s_mem_offset slc:1 glc:1 - s_add_u32 s_mem_offset, s_mem_offset, 128 - end end -function write_sgpr_to_mem_wave64(s, s_rsrc, s_mem_offset, use_sqc, use_mtbuf) - if (use_sqc) - s_mov_b32 exec_lo, m0 //assuming exec_lo is not needed anymore from this point on - s_mov_b32 m0, s_mem_offset - s_buffer_store_dword s, s_rsrc, m0 glc:1 - s_add_u32 s_mem_offset, s_mem_offset, 4 - s_mov_b32 m0, exec_lo - elsif (use_mtbuf) - v_mov_b32 v0, s - tbuffer_store_format_x v0, v0, s_rsrc, s_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 - s_add_u32 s_mem_offset, s_mem_offset, 256 - else - v_mov_b32 v0, s - buffer_store_dword v0, v0, s_rsrc, s_mem_offset slc:1 glc:1 - s_add_u32 s_mem_offset, s_mem_offset, 256 - end +function write_hwreg_to_mem(s, s_rsrc, s_mem_offset) + s_mov_b32 exec_lo, m0 + s_mov_b32 m0, s_mem_offset + s_buffer_store_dword s, s_rsrc, m0 glc:1 + s_add_u32 s_mem_offset, s_mem_offset, 4 + s_mov_b32 m0, exec_lo +end + + +function write_16sgpr_to_mem(s, s_rsrc, s_mem_offset) + s_buffer_store_dwordx4 s[0], s_rsrc, 0 glc:1 + s_buffer_store_dwordx4 s[4], s_rsrc, 16 glc:1 + s_buffer_store_dwordx4 s[8], s_rsrc, 32 glc:1 + s_buffer_store_dwordx4 s[12], s_rsrc, 48 glc:1 + s_add_u32 s_rsrc[0], s_rsrc[0], 4*16 + s_addc_u32 s_rsrc[1], s_rsrc[1], 0x0 +end + +function write_10sgpr_to_mem(s, s_rsrc, s_mem_offset) + s_buffer_store_dwordx4 s[0], s_rsrc, 0 glc:1 + s_buffer_store_dwordx4 s[4], s_rsrc, 16 glc:1 + s_buffer_store_dwordx2 s[8], s_rsrc, 32 glc:1 + s_add_u32 s_rsrc[0], s_rsrc[0], 4*16 + s_addc_u32 s_rsrc[1], s_rsrc[1], 0x0 +end + + +function read_hwreg_from_mem(s, s_rsrc, s_mem_offset) + s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 + s_add_u32 s_mem_offset, s_mem_offset, 4 end -function read_sgpr_from_mem_wave32(s, s_rsrc, s_mem_offset, use_sqc) - s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 - if (use_sqc) - s_add_u32 s_mem_offset, s_mem_offset, 4 - else - s_add_u32 s_mem_offset, s_mem_offset, 128 - end +function read_16sgpr_from_mem(s, s_rsrc, s_mem_offset) + s_buffer_load_dwordx16 s, s_rsrc, s_mem_offset glc:1 + s_sub_u32 s_mem_offset, s_mem_offset, 4*16 end -function read_sgpr_from_mem_wave64(s, s_rsrc, s_mem_offset, use_sqc) - s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 - if (use_sqc) - s_add_u32 s_mem_offset, s_mem_offset, 4 - else - s_add_u32 s_mem_offset, s_mem_offset, 256 - end +function read_8sgpr_from_mem(s, s_rsrc, s_mem_offset) + s_buffer_load_dwordx8 s, s_rsrc, s_mem_offset glc:1 + s_sub_u32 s_mem_offset, s_mem_offset, 4*16 end +function read_2sgpr_from_mem(s, s_rsrc, s_mem_offset) + s_buffer_load_dwordx2 s, s_rsrc, s_mem_offset glc:1 + s_sub_u32 s_mem_offset, s_mem_offset, 4*8 +end + + +function get_lds_size_bytes(s_lds_size_byte) + s_getreg_b32 s_lds_size_byte, hwreg(HW_REG_LDS_ALLOC, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) + s_lshl_b32 s_lds_size_byte, s_lds_size_byte, 8 //LDS size in dwords = lds_size * 64 *4Bytes // granularity 64DW +end + +function get_vgpr_size_bytes(s_vgpr_size_byte, s_size) + s_getreg_b32 s_vgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) + s_add_u32 s_vgpr_size_byte, s_vgpr_size_byte, 1 + s_lshr_b32 m0, s_size, S_WAVE_SIZE + s_and_b32 m0, m0, 1 + s_cmp_eq_u32 m0, 1 + s_cbranch_scc1 L_ENABLE_SHIFT_W64 + s_lshl_b32 s_vgpr_size_byte, s_vgpr_size_byte, (2+7) //Number of VGPRs = (vgpr_size + 1) * 4 * 32 * 4 (non-zero value) + s_branch L_SHIFT_DONE +L_ENABLE_SHIFT_W64: + s_lshl_b32 s_vgpr_size_byte, s_vgpr_size_byte, (2+8) //Number of VGPRs = (vgpr_size + 1) * 4 * 64 * 4 (non-zero value) +L_SHIFT_DONE: +end + +function get_svgpr_size_bytes(s_svgpr_size_byte) + s_getreg_b32 s_svgpr_size_byte, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_VGPR_SHARED_SIZE_SIZE) + s_lshl_b32 s_svgpr_size_byte, s_svgpr_size_byte, (3+7) +end + +function get_sgpr_size_bytes + return 512 +end + +function get_hwreg_size_bytes + return 128 +end |