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path: root/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc382
1 files changed, 171 insertions, 211 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc
index b82d2ae89917..c8ddb8d71b91 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hub.fuc
@@ -68,60 +68,57 @@ error:
//
init:
clear b32 $r0
- mov $sp $r0
mov $xdbase $r0
+ // setup stack
+ nv_iord($r1, NV_PGRAPH_FECS_CAPS, 0)
+ extr $r1 $r1 9:17
+ shl b32 $r1 8
+ mov $sp $r1
+
// enable fifo access
- mov $r1 0x1200
- mov $r2 2
- iowr I[$r1 + 0x000] $r2 // FIFO_ENABLE
+ mov $r2 NV_PGRAPH_FECS_ACCESS_FIFO
+ nv_iowr(NV_PGRAPH_FECS_ACCESS, 0, $r2)
// setup i0 handler, and route all interrupts to it
mov $r1 #ih
mov $iv0 $r1
- mov $r1 0x400
- iowr I[$r1 + 0x300] $r0 // INTR_DISPATCH
- // route HUB_CHANNEL_SWITCH to fuc interrupt 8
- mov $r3 0x404
- shl b32 $r3 6
- mov $r2 0x2003 // { HUB_CHANNEL_SWITCH, ZERO } -> intr 8
- iowr I[$r3 + 0x000] $r2
+ clear b32 $r2
+ nv_iowr(NV_PGRAPH_FECS_INTR_ROUTE, 0, $r2)
+
+ // route HUB_CHSW_PULSE to fuc interrupt 8
+ mov $r2 0x2003 // { HUB_CHSW_PULSE, ZERO } -> intr 8
+ nv_iowr(NV_PGRAPH_FECS_IROUTE, 0, $r2)
// not sure what these are, route them because NVIDIA does, and
// the IRQ handler will signal the host if we ever get one.. we
// may find out if/why we need to handle these if so..
//
- mov $r2 0x2004
- iowr I[$r3 + 0x004] $r2 // { 0x04, ZERO } -> intr 9
- mov $r2 0x200b
- iowr I[$r3 + 0x008] $r2 // { 0x0b, ZERO } -> intr 10
- mov $r2 0x200c
- iowr I[$r3 + 0x01c] $r2 // { 0x0c, ZERO } -> intr 15
+ mov $r2 0x2004 // { 0x04, ZERO } -> intr 9
+ nv_iowr(NV_PGRAPH_FECS_IROUTE, 1, $r2)
+ mov $r2 0x200b // { HUB_FIRMWARE_MTHD, ZERO } -> intr 10
+ nv_iowr(NV_PGRAPH_FECS_IROUTE, 2, $r2)
+ mov $r2 0x200c // { 0x0c, ZERO } -> intr 15
+ nv_iowr(NV_PGRAPH_FECS_IROUTE, 7, $r2)
// enable all INTR_UP interrupts
- mov $r2 0xc24
- shl b32 $r2 6
- not b32 $r3 $r0
- iowr I[$r2] $r3
+ sub b32 $r3 $r0 1
+ nv_iowr(NV_PGRAPH_FECS_INTR_UP_EN, 0, $r3)
- // enable fifo, ctxsw, 9, 10, 15 interrupts
- mov $r2 -0x78fc // 0x8704
- sethi $r2 0
- iowr I[$r1 + 0x000] $r2 // INTR_EN_SET
+ // enable fifo, ctxsw, 9, fwmthd, 15 interrupts
+ imm32($r2, 0x8704)
+ nv_iowr(NV_PGRAPH_FECS_INTR_EN_SET, 0, $r2)
// fifo level triggered, rest edge
- sub b32 $r1 0x100
- mov $r2 4
- iowr I[$r1] $r2
+ mov $r2 NV_PGRAPH_FECS_INTR_MODE_FIFO_LEVEL
+ nv_iowr(NV_PGRAPH_FECS_INTR_MODE, 0, $r2)
// enable interrupts
bset $flags ie0
// fetch enabled GPC/ROP counts
- mov $r14 -0x69fc // 0x409604
- sethi $r14 0x400000
- call #nv_rd32
+ nv_rd32($r14, 0x409604)
extr $r1 $r15 16:20
st b32 D[$r0 + #rop_count] $r1
and $r15 0x1f
@@ -131,37 +128,40 @@ init:
mov $r1 1
shl b32 $r1 $r15
sub b32 $r1 1
- mov $r2 0x40c
- shl b32 $r2 6
- iowr I[$r2 + 0x000] $r1
- iowr I[$r2 + 0x100] $r1
+ nv_iowr(NV_PGRAPH_FECS_BAR_MASK0, 0, $r1)
+ nv_iowr(NV_PGRAPH_FECS_BAR_MASK1, 0, $r1)
// context size calculation, reserve first 256 bytes for use by fuc
mov $r1 256
+ //
+ mov $r15 2
+ call(ctx_4170s)
+ call(ctx_4170w)
+ mov $r15 0x10
+ call(ctx_86c)
+
// calculate size of mmio context data
ld b32 $r14 D[$r0 + #hub_mmio_list_head]
ld b32 $r15 D[$r0 + #hub_mmio_list_tail]
- call #mmctx_size
+ call(mmctx_size)
// set mmctx base addresses now so we don't have to do it later,
// they don't (currently) ever change
- mov $r3 0x700
- shl b32 $r3 6
shr b32 $r4 $r1 8
- iowr I[$r3 + 0x000] $r4 // MMCTX_SAVE_SWBASE
- iowr I[$r3 + 0x100] $r4 // MMCTX_LOAD_SWBASE
+ nv_iowr(NV_PGRAPH_FECS_MMCTX_SAVE_SWBASE, 0, $r4)
+ nv_iowr(NV_PGRAPH_FECS_MMCTX_LOAD_SWBASE, 0, $r4)
add b32 $r3 0x1300
add b32 $r1 $r15
shr b32 $r15 2
- iowr I[$r3 + 0x000] $r15 // MMCTX_LOAD_COUNT, wtf for?!?
+ nv_iowr(NV_PGRAPH_FECS_MMCTX_LOAD_COUNT, 0, $r15) // wtf??
// strands, base offset needs to be aligned to 256 bytes
shr b32 $r1 8
add b32 $r1 1
shl b32 $r1 8
mov b32 $r15 $r1
- call #strand_ctx_init
+ call(strand_ctx_init)
add b32 $r1 $r15
// initialise each GPC in sequence by passing in the offset of its
@@ -173,30 +173,29 @@ init:
// in GPCn_CC_SCRATCH[1]
//
ld b32 $r3 D[$r0 + #gpc_count]
- mov $r4 0x2000
- sethi $r4 0x500000
+ imm32($r4, 0x502000)
init_gpc:
// setup, and start GPC ucode running
add b32 $r14 $r4 0x804
mov b32 $r15 $r1
- call #nv_wr32 // CC_SCRATCH[1] = ctx offset
+ call(nv_wr32) // CC_SCRATCH[1] = ctx offset
add b32 $r14 $r4 0x10c
clear b32 $r15
- call #nv_wr32
+ call(nv_wr32)
add b32 $r14 $r4 0x104
- call #nv_wr32 // ENTRY
+ call(nv_wr32) // ENTRY
add b32 $r14 $r4 0x100
mov $r15 2 // CTRL_START_TRIGGER
- call #nv_wr32 // CTRL
+ call(nv_wr32) // CTRL
// wait for it to complete, and adjust context size
add b32 $r14 $r4 0x800
init_gpc_wait:
- call #nv_rd32
+ call(nv_rd32)
xbit $r15 $r15 31
bra e #init_gpc_wait
add b32 $r14 $r4 0x804
- call #nv_rd32
+ call(nv_rd32)
add b32 $r1 $r15
// next!
@@ -204,6 +203,12 @@ init:
sub b32 $r3 1
bra ne #init_gpc
+ //
+ mov $r15 0
+ call(ctx_86c)
+ mov $r15 0
+ call(ctx_4170s)
+
// save context size, and tell host we're ready
nv_iowr(NV_PGRAPH_FECS_CC_SCRATCH_VAL(1), 0, $r1)
clear b32 $r1
@@ -218,17 +223,15 @@ main:
bset $flags $p0
sleep $p0
mov $r13 #cmd_queue
- call #queue_get
+ call(queue_get)
bra $p1 #main
// context switch, requested by GPU?
cmpu b32 $r14 0x4001
bra ne #main_not_ctx_switch
trace_set(T_AUTO)
- mov $r1 0xb00
- shl b32 $r1 6
- iord $r2 I[$r1 + 0x100] // CHAN_NEXT
- iord $r1 I[$r1 + 0x000] // CHAN_CUR
+ nv_iord($r1, NV_PGRAPH_FECS_CHAN_ADDR, 0)
+ nv_iord($r2, NV_PGRAPH_FECS_CHAN_NEXT, 0)
xbit $r3 $r1 31
bra e #chsw_no_prev
@@ -239,12 +242,12 @@ main:
trace_set(T_SAVE)
bclr $flags $p1
bset $flags $p2
- call #ctx_xfer
+ call(ctx_xfer)
trace_clr(T_SAVE);
pop $r2
trace_set(T_LOAD);
bset $flags $p1
- call #ctx_xfer
+ call(ctx_xfer)
trace_clr(T_LOAD);
bra #chsw_done
chsw_prev_no_next:
@@ -252,25 +255,21 @@ main:
mov b32 $r2 $r1
bclr $flags $p1
bclr $flags $p2
- call #ctx_xfer
+ call(ctx_xfer)
pop $r2
- mov $r1 0xb00
- shl b32 $r1 6
- iowr I[$r1] $r2
+ nv_iowr(NV_PGRAPH_FECS_CHAN_ADDR, 0, $r2)
bra #chsw_done
chsw_no_prev:
xbit $r3 $r2 31
bra e #chsw_done
bset $flags $p1
bclr $flags $p2
- call #ctx_xfer
+ call(ctx_xfer)
// ack the context switch request
chsw_done:
- mov $r1 0xb0c
- shl b32 $r1 6
- mov $r2 1
- iowr I[$r1 + 0x000] $r2 // 0x409b0c
+ mov $r2 NV_PGRAPH_FECS_CHSW_ACK
+ nv_iowr(NV_PGRAPH_FECS_CHSW, 0, $r2)
trace_clr(T_AUTO)
bra #main
@@ -279,7 +278,7 @@ main:
cmpu b32 $r14 0x0001
bra ne #main_not_ctx_chan
mov b32 $r2 $r15
- call #ctx_chan
+ call(ctx_chan)
bra #main_done
// request to store current channel context?
@@ -289,14 +288,14 @@ main:
trace_set(T_SAVE)
bclr $flags $p1
bclr $flags $p2
- call #ctx_xfer
+ call(ctx_xfer)
trace_clr(T_SAVE)
bra #main_done
main_not_ctx_save:
shl b32 $r15 $r14 16
or $r15 E_BAD_COMMAND
- call #error
+ call(error)
bra #main
main_done:
@@ -319,41 +318,46 @@ ih:
clear b32 $r0
// incoming fifo command?
- iord $r10 I[$r0 + 0x200] // INTR
- and $r11 $r10 0x00000004
+ nv_iord($r10, NV_PGRAPH_FECS_INTR, 0)
+ and $r11 $r10 NV_PGRAPH_FECS_INTR_FIFO
bra e #ih_no_fifo
// queue incoming fifo command for later processing
- mov $r11 0x1900
mov $r13 #cmd_queue
- iord $r14 I[$r11 + 0x100] // FIFO_CMD
- iord $r15 I[$r11 + 0x000] // FIFO_DATA
- call #queue_put
+ nv_iord($r14, NV_PGRAPH_FECS_FIFO_CMD, 0)
+ nv_iord($r15, NV_PGRAPH_FECS_FIFO_DATA, 0)
+ call(queue_put)
add b32 $r11 0x400
mov $r14 1
- iowr I[$r11 + 0x000] $r14 // FIFO_ACK
+ nv_iowr(NV_PGRAPH_FECS_FIFO_ACK, 0, $r14)
// context switch request?
ih_no_fifo:
- and $r11 $r10 0x00000100
+ and $r11 $r10 NV_PGRAPH_FECS_INTR_CHSW
bra e #ih_no_ctxsw
// enqueue a context switch for later processing
mov $r13 #cmd_queue
mov $r14 0x4001
- call #queue_put
+ call(queue_put)
- // anything we didn't handle, bring it to the host's attention
+ // firmware method?
ih_no_ctxsw:
- mov $r11 0x104
+ and $r11 $r10 NV_PGRAPH_FECS_INTR_FWMTHD
+ bra e #ih_no_fwmthd
+ // none we handle, ack, and fall-through to unhandled
+ mov $r11 0x100
+ nv_wr32(0x400144, $r11)
+
+ // anything we didn't handle, bring it to the host's attention
+ ih_no_fwmthd:
+ mov $r11 0x104 // FIFO | CHSW
not b32 $r11
and $r11 $r10 $r11
bra e #ih_no_other
- mov $r10 0xc1c
- shl b32 $r10 6
- iowr I[$r10] $r11 // INTR_UP_SET
+ nv_iowr(NV_PGRAPH_FECS_INTR_UP_SET, 0, $r11)
// ack, and wake up main()
ih_no_other:
- iowr I[$r0 + 0x100] $r10 // INTR_ACK
+ nv_iowr(NV_PGRAPH_FECS_INTR_ACK, 0, $r10)
pop $r15
pop $r14
@@ -370,12 +374,10 @@ ih:
#if CHIPSET < GK100
// Not real sure, but, MEM_CMD 7 will hang forever if this isn't done
ctx_4160s:
- mov $r14 0x4160
- sethi $r14 0x400000
mov $r15 1
- call #nv_wr32
+ nv_wr32(0x404160, $r15)
ctx_4160s_wait:
- call #nv_rd32
+ nv_rd32($r15, 0x404160)
xbit $r15 $r15 4
bra e #ctx_4160s_wait
ret
@@ -384,10 +386,8 @@ ctx_4160s:
// to hang with STATUS=0x00000007 until it's cleared.. fbcon can
// still function with it set however...
ctx_4160c:
- mov $r14 0x4160
- sethi $r14 0x400000
clear b32 $r15
- call #nv_wr32
+ nv_wr32(0x404160, $r15)
ret
#endif
@@ -396,18 +396,14 @@ ctx_4160c:
// In: $r15 value to set 0x404170 to
//
ctx_4170s:
- mov $r14 0x4170
- sethi $r14 0x400000
or $r15 0x10
- call #nv_wr32
+ nv_wr32(0x404170, $r15)
ret
// Waits for a ctx_4170s() call to complete
//
ctx_4170w:
- mov $r14 0x4170
- sethi $r14 0x400000
- call #nv_rd32
+ nv_rd32($r15, 0x404170)
and $r15 0x10
bra ne #ctx_4170w
ret
@@ -419,16 +415,18 @@ ctx_4170w:
// funny things happen.
//
ctx_redswitch:
- mov $r14 0x614
- shl b32 $r14 6
- mov $r15 0x270
- iowr I[$r14] $r15 // HUB_RED_SWITCH = ENABLE_GPC, POWER_ALL
+ mov $r14 NV_PGRAPH_FECS_RED_SWITCH_ENABLE_GPC
+ or $r14 NV_PGRAPH_FECS_RED_SWITCH_POWER_ROP
+ or $r14 NV_PGRAPH_FECS_RED_SWITCH_POWER_GPC
+ or $r14 NV_PGRAPH_FECS_RED_SWITCH_POWER_MAIN
+ nv_iowr(NV_PGRAPH_FECS_RED_SWITCH, 0, $r14)
mov $r15 8
ctx_redswitch_delay:
sub b32 $r15 1
bra ne #ctx_redswitch_delay
- mov $r15 0x770
- iowr I[$r14] $r15 // HUB_RED_SWITCH = ENABLE_ALL, POWER_ALL
+ or $r14 NV_PGRAPH_FECS_RED_SWITCH_ENABLE_ROP
+ or $r14 NV_PGRAPH_FECS_RED_SWITCH_ENABLE_MAIN
+ nv_iowr(NV_PGRAPH_FECS_RED_SWITCH, 0, $r14)
ret
// Not a clue what this is for, except that unless the value is 0x10, the
@@ -437,15 +435,18 @@ ctx_redswitch:
// In: $r15 value to set to (0x00/0x10 are used)
//
ctx_86c:
- mov $r14 0x86c
- shl b32 $r14 6
- iowr I[$r14] $r15 // HUB(0x86c) = val
- mov $r14 -0x75ec
- sethi $r14 0x400000
- call #nv_wr32 // ROP(0xa14) = val
- mov $r14 -0x5794
- sethi $r14 0x410000
- call #nv_wr32 // GPC(0x86c) = val
+ nv_iowr(NV_PGRAPH_FECS_UNK86C, 0, $r15)
+ nv_wr32(0x408a14, $r15)
+ nv_wr32(NV_PGRAPH_GPCX_GPCCS_UNK86C, $r15)
+ ret
+
+// In: $r15 NV_PGRAPH_FECS_MEM_CMD_*
+ctx_mem:
+ nv_iowr(NV_PGRAPH_FECS_MEM_CMD, 0, $r15)
+ ctx_mem_wait:
+ nv_iord($r15, NV_PGRAPH_FECS_MEM_CMD, 0)
+ or $r15 $r15
+ bra ne #ctx_mem_wait
ret
// ctx_load - load's a channel's ctxctl data, and selects its vm
@@ -457,23 +458,14 @@ ctx_load:
// switch to channel, somewhat magic in parts..
mov $r10 12 // DONE_UNK12
- call #wait_donez
- mov $r1 0xa24
- shl b32 $r1 6
- iowr I[$r1 + 0x000] $r0 // 0x409a24
- mov $r3 0xb00
- shl b32 $r3 6
- iowr I[$r3 + 0x100] $r2 // CHAN_NEXT
- mov $r1 0xa0c
- shl b32 $r1 6
- mov $r4 7
- iowr I[$r1 + 0x000] $r2 // MEM_CHAN
- iowr I[$r1 + 0x100] $r4 // MEM_CMD
- ctx_chan_wait_0:
- iord $r4 I[$r1 + 0x100]
- and $r4 0x1f
- bra ne #ctx_chan_wait_0
- iowr I[$r3 + 0x000] $r2 // CHAN_CUR
+ call(wait_donez)
+ clear b32 $r15
+ nv_iowr(0x409a24, 0, $r15)
+ nv_iowr(NV_PGRAPH_FECS_CHAN_NEXT, 0, $r2)
+ nv_iowr(NV_PGRAPH_FECS_MEM_CHAN, 0, $r2)
+ mov $r15 NV_PGRAPH_FECS_MEM_CMD_LOAD_CHAN
+ call(ctx_mem)
+ nv_iowr(NV_PGRAPH_FECS_CHAN_ADDR, 0, $r2)
// load channel header, fetch PGRAPH context pointer
mov $xtargets $r0
@@ -482,14 +474,10 @@ ctx_load:
add b32 $r2 2
trace_set(T_LCHAN)
- mov $r1 0xa04
- shl b32 $r1 6
- iowr I[$r1 + 0x000] $r2 // MEM_BASE
- mov $r1 0xa20
- shl b32 $r1 6
- mov $r2 0x0002
- sethi $r2 0x80000000
- iowr I[$r1 + 0x000] $r2 // MEM_TARGET = vram
+ nv_iowr(NV_PGRAPH_FECS_MEM_BASE, 0, $r2)
+ imm32($r2, NV_PGRAPH_FECS_MEM_TARGET_UNK31)
+ or $r2 NV_PGRAPH_FECS_MEM_TARGET_AS_VRAM
+ nv_iowr(NV_PGRAPH_FECS_MEM_TARGET, 0, $r2)
mov $r1 0x10 // chan + 0x0210
mov $r2 #xfer_data
sethi $r2 0x00020000 // 16 bytes
@@ -507,13 +495,9 @@ ctx_load:
// set transfer base to start of context, and fetch context header
trace_set(T_LCTXH)
- mov $r2 0xa04
- shl b32 $r2 6
- iowr I[$r2 + 0x000] $r1 // MEM_BASE
- mov $r2 1
- mov $r1 0xa20
- shl b32 $r1 6
- iowr I[$r1 + 0x000] $r2 // MEM_TARGET = vm
+ nv_iowr(NV_PGRAPH_FECS_MEM_BASE, 0, $r1)
+ mov $r2 NV_PGRAPH_FECS_MEM_TARGET_AS_VM
+ nv_iowr(NV_PGRAPH_FECS_MEM_TARGET, 0, $r2)
mov $r1 #chan_data
sethi $r1 0x00060000 // 256 bytes
xdld $r0 $r1
@@ -532,21 +516,15 @@ ctx_load:
//
ctx_chan:
#if CHIPSET < GK100
- call #ctx_4160s
+ call(ctx_4160s)
#endif
- call #ctx_load
+ call(ctx_load)
mov $r10 12 // DONE_UNK12
- call #wait_donez
- mov $r1 0xa10
- shl b32 $r1 6
- mov $r2 5
- iowr I[$r1 + 0x000] $r2 // MEM_CMD = 5 (???)
- ctx_chan_wait:
- iord $r2 I[$r1 + 0x000]
- or $r2 $r2
- bra ne #ctx_chan_wait
+ call(wait_donez)
+ mov $r15 5 // MEM_CMD 5 ???
+ call(ctx_mem)
#if CHIPSET < GK100
- call #ctx_4160c
+ call(ctx_4160c)
#endif
ret
@@ -562,9 +540,7 @@ ctx_chan:
ctx_mmio_exec:
// set transfer base to be the mmio list
ld b32 $r3 D[$r0 + #chan_mmio_address]
- mov $r2 0xa04
- shl b32 $r2 6
- iowr I[$r2 + 0x000] $r3 // MEM_BASE
+ nv_iowr(NV_PGRAPH_FECS_MEM_BASE, 0, $r3)
clear b32 $r3
ctx_mmio_loop:
@@ -580,7 +556,7 @@ ctx_mmio_exec:
ctx_mmio_pull:
ld b32 $r14 D[$r4 + #xfer_data + 0x00]
ld b32 $r15 D[$r4 + #xfer_data + 0x04]
- call #nv_wr32
+ call(nv_wr32)
// next!
add b32 $r3 8
@@ -590,7 +566,7 @@ ctx_mmio_exec:
// set transfer base back to the current context
ctx_mmio_done:
ld b32 $r3 D[$r0 + #ctx_current]
- iowr I[$r2 + 0x000] $r3 // MEM_BASE
+ nv_iowr(NV_PGRAPH_FECS_MEM_BASE, 0, $r3)
// disable the mmio list now, we don't need/want to execute it again
st b32 D[$r0 + #chan_mmio_count] $r0
@@ -610,12 +586,10 @@ ctx_mmio_exec:
//
ctx_xfer:
// according to mwk, some kind of wait for idle
- mov $r15 0xc00
- shl b32 $r15 6
mov $r14 4
- iowr I[$r15 + 0x200] $r14
+ nv_iowr(0x409c08, 0, $r14)
ctx_xfer_idle:
- iord $r14 I[$r15 + 0x000]
+ nv_iord($r14, 0x409c00, 0)
and $r14 0x2000
bra ne #ctx_xfer_idle
@@ -623,50 +597,42 @@ ctx_xfer:
bra $p2 #ctx_xfer_pre_load
ctx_xfer_pre:
mov $r15 0x10
- call #ctx_86c
+ call(ctx_86c)
#if CHIPSET < GK100
- call #ctx_4160s
+ call(ctx_4160s)
#endif
bra not $p1 #ctx_xfer_exec
ctx_xfer_pre_load:
mov $r15 2
- call #ctx_4170s
- call #ctx_4170w
- call #ctx_redswitch
+ call(ctx_4170s)
+ call(ctx_4170w)
+ call(ctx_redswitch)
clear b32 $r15
- call #ctx_4170s
- call #ctx_load
+ call(ctx_4170s)
+ call(ctx_load)
// fetch context pointer, and initiate xfer on all GPCs
ctx_xfer_exec:
ld b32 $r1 D[$r0 + #ctx_current]
- mov $r2 0x414
- shl b32 $r2 6
- iowr I[$r2 + 0x000] $r0 // BAR_STATUS = reset
- mov $r14 -0x5b00
- sethi $r14 0x410000
- mov b32 $r15 $r1
- call #nv_wr32 // GPC_BCAST_WRCMD_DATA = ctx pointer
- add b32 $r14 4
+
+ clear b32 $r2
+ nv_iowr(NV_PGRAPH_FECS_BAR, 0, $r2)
+
+ nv_wr32(0x41a500, $r1) // GPC_BCAST_WRCMD_DATA = ctx pointer
xbit $r15 $flags $p1
xbit $r2 $flags $p2
shl b32 $r2 1
or $r15 $r2
- call #nv_wr32 // GPC_BCAST_WRCMD_CMD = GPC_XFER(type)
+ nv_wr32(0x41a504, $r15) // GPC_BCAST_WRCMD_CMD = GPC_XFER(type)
// strands
- mov $r1 0x4afc
- sethi $r1 0x20000
- mov $r2 0xc
- iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0c
- call #strand_wait
- mov $r2 0x47fc
- sethi $r2 0x20000
- iowr I[$r2] $r0 // STRAND_FIRST_GENE(0x3f) = 0x00
- xbit $r2 $flags $p1
- add b32 $r2 3
- iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x03/0x04 (SAVE/LOAD)
+ call(strand_pre)
+ clear b32 $r2
+ nv_iowr(NV_PGRAPH_FECS_STRAND_SELECT, 0x3f, $r2)
+ xbit $r2 $flags $p1 // SAVE/LOAD
+ add b32 $r2 NV_PGRAPH_FECS_STRAND_CMD_SAVE
+ nv_iowr(NV_PGRAPH_FECS_STRAND_CMD, 0x3f, $r2)
// mmio context
xbit $r10 $flags $p1 // direction
@@ -675,48 +641,42 @@ ctx_xfer:
ld b32 $r12 D[$r0 + #hub_mmio_list_head]
ld b32 $r13 D[$r0 + #hub_mmio_list_tail]
mov $r14 0 // not multi
- call #mmctx_xfer
+ call(mmctx_xfer)
// wait for GPCs to all complete
mov $r10 8 // DONE_BAR
- call #wait_doneo
+ call(wait_doneo)
// wait for strand xfer to complete
- call #strand_wait
+ call(strand_wait)
// post-op
bra $p1 #ctx_xfer_post
mov $r10 12 // DONE_UNK12
- call #wait_donez
- mov $r1 0xa10
- shl b32 $r1 6
- mov $r2 5
- iowr I[$r1] $r2 // MEM_CMD
- ctx_xfer_post_save_wait:
- iord $r2 I[$r1]
- or $r2 $r2
- bra ne #ctx_xfer_post_save_wait
+ call(wait_donez)
+ mov $r15 5 // MEM_CMD 5 ???
+ call(ctx_mem)
bra $p2 #ctx_xfer_done
ctx_xfer_post:
mov $r15 2
- call #ctx_4170s
+ call(ctx_4170s)
clear b32 $r15
- call #ctx_86c
- call #strand_post
- call #ctx_4170w
+ call(ctx_86c)
+ call(strand_post)
+ call(ctx_4170w)
clear b32 $r15
- call #ctx_4170s
+ call(ctx_4170s)
bra not $p1 #ctx_xfer_no_post_mmio
ld b32 $r1 D[$r0 + #chan_mmio_count]
or $r1 $r1
bra e #ctx_xfer_no_post_mmio
- call #ctx_mmio_exec
+ call(ctx_mmio_exec)
ctx_xfer_no_post_mmio:
#if CHIPSET < GK100
- call #ctx_4160c
+ call(ctx_4160c)
#endif
ctx_xfer_done:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.