diff options
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 112 |
1 files changed, 60 insertions, 52 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 1c066d125375..308268466342 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -154,12 +154,12 @@ _GLOBAL(__secondary_hold) bne 100b #ifdef CONFIG_HMT - LOADADDR(r4, .hmt_init) + SET_REG_IMMEDIATE(r4, .hmt_init) mtctr r4 bctr #else #ifdef CONFIG_SMP - LOADADDR(r4, .pSeries_secondary_smp_init) + LOAD_REG_IMMEDIATE(r4, .pSeries_secondary_smp_init) mtctr r4 mr r3,r24 bctr @@ -205,9 +205,10 @@ exception_marker: #define EX_LR 72 /* - * We're short on space and time in the exception prolog, so we can't use - * the normal LOADADDR macro. Normally we just need the low halfword of the - * address, but for Kdump we need the whole low word. + * We're short on space and time in the exception prolog, so we can't + * use the normal SET_REG_IMMEDIATE macro. Normally we just need the + * low halfword of the address, but for Kdump we need the whole low + * word. */ #ifdef CONFIG_CRASH_DUMP #define LOAD_HANDLER(reg, label) \ @@ -254,8 +255,9 @@ exception_marker: #define EXCEPTION_PROLOG_ISERIES_2 \ mfmsr r10; \ - ld r11,PACALPPACA+LPPACASRR0(r13); \ - ld r12,PACALPPACA+LPPACASRR1(r13); \ + ld r12,PACALPPACAPTR(r13); \ + ld r11,LPPACASRR0(r12); \ + ld r12,LPPACASRR1(r12); \ ori r10,r10,MSR_RI; \ mtmsrd r10,1 @@ -634,7 +636,8 @@ data_access_slb_iSeries: std r12,PACA_EXSLB+EX_R12(r13) mfspr r10,SPRN_SPRG1 std r10,PACA_EXSLB+EX_R13(r13) - ld r12,PACALPPACA+LPPACASRR1(r13); + ld r12,PACALPPACAPTR(r13) + ld r12,LPPACASRR1(r12) b .slb_miss_realmode STD_EXCEPTION_ISERIES(0x400, instruction_access, PACA_EXGEN) @@ -644,7 +647,8 @@ instruction_access_slb_iSeries: mtspr SPRN_SPRG1,r13 /* save r13 */ mfspr r13,SPRN_SPRG3 /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) - ld r3,PACALPPACA+LPPACASRR0(r13) /* get SRR0 value */ + ld r3,PACALPPACAPTR(r13) + ld r3,LPPACASRR0(r3) /* get SRR0 value */ std r9,PACA_EXSLB+EX_R9(r13) mfcr r9 #ifdef __DISABLED__ @@ -656,7 +660,8 @@ instruction_access_slb_iSeries: std r12,PACA_EXSLB+EX_R12(r13) mfspr r10,SPRN_SPRG1 std r10,PACA_EXSLB+EX_R13(r13) - ld r12,PACALPPACA+LPPACASRR1(r13); + ld r12,PACALPPACAPTR(r13) + ld r12,LPPACASRR1(r12) b .slb_miss_realmode #ifdef __DISABLED__ @@ -713,7 +718,7 @@ system_reset_iSeries: lbz r23,PACAPROCSTART(r13) /* Test if this processor * should start */ sync - LOADADDR(r3,current_set) + LOAD_REG_IMMEDIATE(r3,current_set) sldi r28,r24,3 /* get current_set[cpu#] */ ldx r3,r3,r28 addi r1,r3,THREAD_SIZE @@ -745,17 +750,19 @@ iSeries_secondary_smp_loop: .globl decrementer_iSeries_masked decrementer_iSeries_masked: li r11,1 - stb r11,PACALPPACA+LPPACADECRINT(r13) - LOADBASE(r12,tb_ticks_per_jiffy) - lwz r12,OFF(tb_ticks_per_jiffy)(r12) + ld r12,PACALPPACAPTR(r13) + stb r11,LPPACADECRINT(r12) + LOAD_REG_ADDRBASE(r12,tb_ticks_per_jiffy) + lwz r12,ADDROFF(tb_ticks_per_jiffy)(r12) mtspr SPRN_DEC,r12 /* fall through */ .globl hardware_interrupt_iSeries_masked hardware_interrupt_iSeries_masked: mtcrf 0x80,r9 /* Restore regs */ - ld r11,PACALPPACA+LPPACASRR0(r13) - ld r12,PACALPPACA+LPPACASRR1(r13) + ld r12,PACALPPACAPTR(r13) + ld r11,LPPACASRR0(r12) + ld r12,LPPACASRR1(r12) mtspr SPRN_SRR0,r11 mtspr SPRN_SRR1,r12 ld r9,PACA_EXGEN+EX_R9(r13) @@ -994,7 +1001,8 @@ _GLOBAL(slb_miss_realmode) ld r3,PACA_EXSLB+EX_R3(r13) lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */ #ifdef CONFIG_PPC_ISERIES - ld r11,PACALPPACA+LPPACASRR0(r13) /* get SRR0 value */ + ld r11,PACALPPACAPTR(r13) + ld r11,LPPACASRR0(r11) /* get SRR0 value */ #endif /* CONFIG_PPC_ISERIES */ mtlr r10 @@ -1412,7 +1420,7 @@ _GLOBAL(pSeries_secondary_smp_init) * physical cpu id in r24, we need to search the pacas to find * which logical id maps to our physical one. */ - LOADADDR(r13, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r13, paca) /* Get base vaddr of paca array */ li r5,0 /* logical cpu id */ 1: lhz r6,PACAHWCPUID(r13) /* Load HW procid from paca */ cmpw r6,r24 /* Compare to our id */ @@ -1446,8 +1454,8 @@ _GLOBAL(pSeries_secondary_smp_init) #ifdef CONFIG_PPC_ISERIES _STATIC(__start_initialization_iSeries) /* Clear out the BSS */ - LOADADDR(r11,__bss_stop) - LOADADDR(r8,__bss_start) + LOAD_REG_IMMEDIATE(r11,__bss_stop) + LOAD_REG_IMMEDIATE(r8,__bss_start) sub r11,r11,r8 /* bss size */ addi r11,r11,7 /* round up to an even double word */ rldicl. r11,r11,61,3 /* shift right by 3 */ @@ -1458,17 +1466,17 @@ _STATIC(__start_initialization_iSeries) 3: stdu r0,8(r8) bdnz 3b 4: - LOADADDR(r1,init_thread_union) + LOAD_REG_IMMEDIATE(r1,init_thread_union) addi r1,r1,THREAD_SIZE li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) - LOADADDR(r3,cpu_specs) - LOADADDR(r4,cur_cpu_spec) + LOAD_REG_IMMEDIATE(r3,cpu_specs) + LOAD_REG_IMMEDIATE(r4,cur_cpu_spec) li r5,0 bl .identify_cpu - LOADADDR(r2,__toc_start) + LOAD_REG_IMMEDIATE(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 @@ -1528,7 +1536,7 @@ _GLOBAL(__start_initialization_multiplatform) li r24,0 /* Switch off MMU if not already */ - LOADADDR(r4, .__after_prom_start - KERNELBASE) + LOAD_REG_IMMEDIATE(r4, .__after_prom_start - KERNELBASE) add r4,r4,r30 bl .__mmu_off b .__after_prom_start @@ -1548,7 +1556,7 @@ _STATIC(__boot_from_prom) /* put a relocation offset into r3 */ bl .reloc_offset - LOADADDR(r2,__toc_start) + LOAD_REG_IMMEDIATE(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 @@ -1588,9 +1596,9 @@ _STATIC(__after_prom_start) */ bl .reloc_offset mr r26,r3 - SET_REG_TO_CONST(r27,KERNELBASE) + LOAD_REG_IMMEDIATE(r27, KERNELBASE) - LOADADDR(r3, PHYSICAL_START) /* target addr */ + LOAD_REG_IMMEDIATE(r3, PHYSICAL_START) /* target addr */ // XXX FIXME: Use phys returned by OF (r30) add r4,r27,r26 /* source addr */ @@ -1598,7 +1606,7 @@ _STATIC(__after_prom_start) /* i.e. where we are running */ /* the source addr */ - LOADADDR(r5,copy_to_here) /* # bytes of memory to copy */ + LOAD_REG_IMMEDIATE(r5,copy_to_here) /* # bytes of memory to copy */ sub r5,r5,r27 li r6,0x100 /* Start offset, the first 0x100 */ @@ -1608,11 +1616,11 @@ _STATIC(__after_prom_start) /* this includes the code being */ /* executed here. */ - LOADADDR(r0, 4f) /* Jump to the copy of this code */ + LOAD_REG_IMMEDIATE(r0, 4f) /* Jump to the copy of this code */ mtctr r0 /* that we just made/relocated */ bctr -4: LOADADDR(r5,klimit) +4: LOAD_REG_IMMEDIATE(r5,klimit) add r5,r5,r26 ld r5,0(r5) /* get the value of klimit */ sub r5,r5,r27 @@ -1694,7 +1702,7 @@ _GLOBAL(pmac_secondary_start) mtmsrd r3 /* RI on */ /* Set up a paca value for this processor. */ - LOADADDR(r4, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r4, paca) /* Get base vaddr of paca array */ mulli r13,r24,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r4 /* for this processor. */ mtspr SPRN_SPRG3,r13 /* Save vaddr of paca in SPRG3 */ @@ -1731,7 +1739,7 @@ _GLOBAL(__secondary_start) bl .early_setup_secondary /* Initialize the kernel stack. Just a repeat for iSeries. */ - LOADADDR(r3,current_set) + LOAD_REG_ADDR(r3, current_set) sldi r28,r24,3 /* get current_set[cpu#] */ ldx r1,r3,r28 addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD @@ -1742,8 +1750,8 @@ _GLOBAL(__secondary_start) mtlr r7 /* enable MMU and jump to start_secondary */ - LOADADDR(r3,.start_secondary_prolog) - SET_REG_TO_CONST(r4, MSR_KERNEL) + LOAD_REG_ADDR(r3, .start_secondary_prolog) + LOAD_REG_IMMEDIATE(r4, MSR_KERNEL) #ifdef DO_SOFT_DISABLE ori r4,r4,MSR_EE #endif @@ -1792,8 +1800,8 @@ _STATIC(start_here_multiplatform) * be detached from the kernel completely. Besides, we need * to clear it now for kexec-style entry. */ - LOADADDR(r11,__bss_stop) - LOADADDR(r8,__bss_start) + LOAD_REG_IMMEDIATE(r11,__bss_stop) + LOAD_REG_IMMEDIATE(r8,__bss_start) sub r11,r11,r8 /* bss size */ addi r11,r11,7 /* round up to an even double word */ rldicl. r11,r11,61,3 /* shift right by 3 */ @@ -1831,7 +1839,7 @@ _STATIC(start_here_multiplatform) /* up the htab. This is done because we have relocated the */ /* kernel but are still running in real mode. */ - LOADADDR(r3,init_thread_union) + LOAD_REG_IMMEDIATE(r3,init_thread_union) add r3,r3,r26 /* set up a stack pointer (physical address) */ @@ -1840,14 +1848,14 @@ _STATIC(start_here_multiplatform) stdu r0,-STACK_FRAME_OVERHEAD(r1) /* set up the TOC (physical address) */ - LOADADDR(r2,__toc_start) + LOAD_REG_IMMEDIATE(r2,__toc_start) addi r2,r2,0x4000 addi r2,r2,0x4000 add r2,r2,r26 - LOADADDR(r3,cpu_specs) + LOAD_REG_IMMEDIATE(r3, cpu_specs) add r3,r3,r26 - LOADADDR(r4,cur_cpu_spec) + LOAD_REG_IMMEDIATE(r4,cur_cpu_spec) add r4,r4,r26 mr r5,r26 bl .identify_cpu @@ -1863,11 +1871,11 @@ _STATIC(start_here_multiplatform) * nowhere it can be initialized differently before we reach this * code */ - LOADADDR(r27, boot_cpuid) + LOAD_REG_IMMEDIATE(r27, boot_cpuid) add r27,r27,r26 lwz r27,0(r27) - LOADADDR(r24, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */ mulli r13,r27,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r24 /* for this processor. */ add r13,r13,r26 /* convert to physical addr */ @@ -1880,8 +1888,8 @@ _STATIC(start_here_multiplatform) mr r3,r31 bl .early_setup - LOADADDR(r3,.start_here_common) - SET_REG_TO_CONST(r4, MSR_KERNEL) + LOAD_REG_IMMEDIATE(r3, .start_here_common) + LOAD_REG_IMMEDIATE(r4, MSR_KERNEL) mtspr SPRN_SRR0,r3 mtspr SPRN_SRR1,r4 rfid @@ -1895,7 +1903,7 @@ _STATIC(start_here_common) /* The following code sets up the SP and TOC now that we are */ /* running with translation enabled. */ - LOADADDR(r3,init_thread_union) + LOAD_REG_IMMEDIATE(r3,init_thread_union) /* set up the stack */ addi r1,r3,THREAD_SIZE @@ -1908,16 +1916,16 @@ _STATIC(start_here_common) li r3,0 bl .do_cpu_ftr_fixups - LOADADDR(r26, boot_cpuid) + LOAD_REG_IMMEDIATE(r26, boot_cpuid) lwz r26,0(r26) - LOADADDR(r24, paca) /* Get base vaddr of paca array */ + LOAD_REG_IMMEDIATE(r24, paca) /* Get base vaddr of paca array */ mulli r13,r26,PACA_SIZE /* Calculate vaddr of right paca */ add r13,r13,r24 /* for this processor. */ mtspr SPRN_SPRG3,r13 /* ptr to current */ - LOADADDR(r4,init_task) + LOAD_REG_IMMEDIATE(r4, init_task) std r4,PACACURRENT(r13) /* Load the TOC */ @@ -1940,7 +1948,7 @@ _STATIC(start_here_common) _GLOBAL(hmt_init) #ifdef CONFIG_HMT - LOADADDR(r5, hmt_thread_data) + LOAD_REG_IMMEDIATE(r5, hmt_thread_data) mfspr r7,SPRN_PVR srwi r7,r7,16 cmpwi r7,0x34 /* Pulsar */ @@ -1961,7 +1969,7 @@ _GLOBAL(hmt_init) b 101f __hmt_secondary_hold: - LOADADDR(r5, hmt_thread_data) + LOAD_REG_IMMEDIATE(r5, hmt_thread_data) clrldi r5,r5,4 li r7,0 mfspr r6,SPRN_PIR @@ -1989,7 +1997,7 @@ __hmt_secondary_hold: #ifdef CONFIG_HMT _GLOBAL(hmt_start_secondary) - LOADADDR(r4,__hmt_secondary_hold) + LOAD_REG_IMMEDIATE(r4,__hmt_secondary_hold) clrldi r4,r4,4 mtspr SPRN_NIADORM, r4 mfspr r4, SPRN_MSRDORM |