diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/head-64.h | 12 | ||||
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 32 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 18 | ||||
| -rw-r--r-- | arch/powerpc/kernel/interrupt_64.S | 2 |
4 files changed, 31 insertions, 33 deletions
diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h index 242204e12993..d73153b0275d 100644 --- a/arch/powerpc/include/asm/head-64.h +++ b/arch/powerpc/include/asm/head-64.h @@ -98,13 +98,9 @@ start_text: . = sname##_len; #define USE_FIXED_SECTION(sname) \ - fs_label = start_##sname; \ - fs_start = sname##_start; \ use_ftsec sname; #define USE_TEXT_SECTION() \ - fs_label = start_text; \ - fs_start = text_start; \ .text #define CLOSE_FIXED_SECTION(sname) \ @@ -161,13 +157,15 @@ name: * - ABS_ADDR is used to find the absolute address of any symbol, from within * a fixed section. */ -#define DEFINE_FIXED_SYMBOL(label) \ - label##_absolute = (label - fs_label + fs_start) +// define label as being _in_ sname +#define DEFINE_FIXED_SYMBOL(label, sname) \ + label##_absolute = (label - start_ ## sname + sname ## _start) #define FIXED_SYMBOL_ABS_ADDR(label) \ (label##_absolute) -#define ABS_ADDR(label) (label - fs_label + fs_start) +// find label from _within_ sname +#define ABS_ADDR(label, sname) (label - start_ ## sname + sname ## _start) #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 6f29fb789c9a..55caeee37c08 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -48,7 +48,7 @@ .balign IFETCH_ALIGN_BYTES; \ .global name; \ _ASM_NOKPROBE_SYMBOL(name); \ - DEFINE_FIXED_SYMBOL(name); \ + DEFINE_FIXED_SYMBOL(name, text); \ name: #define TRAMP_REAL_BEGIN(name) \ @@ -76,18 +76,18 @@ name: ld reg,PACAKBASE(r13); /* get high part of &label */ \ ori reg,reg,FIXED_SYMBOL_ABS_ADDR(label) -#define __LOAD_HANDLER(reg, label) \ +#define __LOAD_HANDLER(reg, label, section) \ ld reg,PACAKBASE(r13); \ - ori reg,reg,(ABS_ADDR(label))@l + ori reg,reg,(ABS_ADDR(label, section))@l /* * Branches from unrelocated code (e.g., interrupts) to labels outside * head-y require >64K offsets. */ -#define __LOAD_FAR_HANDLER(reg, label) \ +#define __LOAD_FAR_HANDLER(reg, label, section) \ ld reg,PACAKBASE(r13); \ - ori reg,reg,(ABS_ADDR(label))@l; \ - addis reg,reg,(ABS_ADDR(label))@h + ori reg,reg,(ABS_ADDR(label, section))@l; \ + addis reg,reg,(ABS_ADDR(label, section))@h /* * Interrupt code generation macros @@ -381,7 +381,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) * This switches to virtual mode and sets MSR[RI]. */ .macro __GEN_COMMON_ENTRY name -DEFINE_FIXED_SYMBOL(\name\()_common_real) +DEFINE_FIXED_SYMBOL(\name\()_common_real, text) \name\()_common_real: .if IKVM_REAL KVMTEST \name kvm_interrupt @@ -404,7 +404,7 @@ DEFINE_FIXED_SYMBOL(\name\()_common_real) .endif .balign IFETCH_ALIGN_BYTES -DEFINE_FIXED_SYMBOL(\name\()_common_virt) +DEFINE_FIXED_SYMBOL(\name\()_common_virt, text) \name\()_common_virt: .if IKVM_VIRT KVMTEST \name kvm_interrupt @@ -418,7 +418,7 @@ DEFINE_FIXED_SYMBOL(\name\()_common_virt) * want to run in real mode. */ .macro __GEN_REALMODE_COMMON_ENTRY name -DEFINE_FIXED_SYMBOL(\name\()_common_real) +DEFINE_FIXED_SYMBOL(\name\()_common_real, text) \name\()_common_real: .if IKVM_REAL KVMTEST \name kvm_interrupt @@ -852,12 +852,12 @@ SOFT_MASK_TABLE(0xc000000000003000, 0xc000000000004000) #ifdef CONFIG_RELOCATABLE TRAMP_VIRT_BEGIN(system_call_vectored_tramp) - __LOAD_HANDLER(r10, system_call_vectored_common) + __LOAD_HANDLER(r10, system_call_vectored_common, virt_trampolines) mtctr r10 bctr TRAMP_VIRT_BEGIN(system_call_vectored_sigill_tramp) - __LOAD_HANDLER(r10, system_call_vectored_sigill) + __LOAD_HANDLER(r10, system_call_vectored_sigill, virt_trampolines) mtctr r10 bctr #endif @@ -961,7 +961,7 @@ TRAMP_REAL_BEGIN(system_reset_idle_wake) /* We are waking up from idle, so may clobber any volatile register */ cmpwi cr1,r5,2 bltlr cr1 /* no state loss, return to idle caller with r3=SRR1 */ - __LOAD_FAR_HANDLER(r12, DOTSYM(idle_return_gpr_loss)) + __LOAD_FAR_HANDLER(r12, DOTSYM(idle_return_gpr_loss), real_trampolines) mtctr r12 bctr #endif @@ -1960,12 +1960,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE) HMT_MEDIUM .if ! \virt - __LOAD_HANDLER(r10, system_call_common_real) + __LOAD_HANDLER(r10, system_call_common_real, real_vectors) mtctr r10 bctr .else #ifdef CONFIG_RELOCATABLE - __LOAD_HANDLER(r10, system_call_common) + __LOAD_HANDLER(r10, system_call_common, virt_vectors) mtctr r10 bctr #else @@ -2019,7 +2019,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) * Requires __LOAD_FAR_HANDLER beause kvmppc_hcall lives * outside the head section. */ - __LOAD_FAR_HANDLER(r10, kvmppc_hcall) + __LOAD_FAR_HANDLER(r10, kvmppc_hcall, real_trampolines) mtctr r10 bctr #else @@ -3061,7 +3061,7 @@ USE_FIXED_SECTION(virt_trampolines) .align 7 .globl __end_interrupts __end_interrupts: -DEFINE_FIXED_SYMBOL(__end_interrupts) +DEFINE_FIXED_SYMBOL(__end_interrupts, virt_trampolines) CLOSE_FIXED_SECTION(real_vectors); CLOSE_FIXED_SECTION(real_trampolines); diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index a08c050ff645..5c5181e8d5f1 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -126,7 +126,7 @@ __secondary_hold_acknowledge: . = 0x5c .globl __run_at_load __run_at_load: -DEFINE_FIXED_SYMBOL(__run_at_load) +DEFINE_FIXED_SYMBOL(__run_at_load, first_256B) .long RUN_AT_LOAD_DEFAULT #endif @@ -156,7 +156,7 @@ __secondary_hold: /* Tell the master cpu we're here */ /* Relocation is off & we are located at an address less */ /* than 0x100, so only need to grab low order offset. */ - std r24,(ABS_ADDR(__secondary_hold_acknowledge))(0) + std r24,(ABS_ADDR(__secondary_hold_acknowledge, first_256B))(0) sync li r26,0 @@ -164,7 +164,7 @@ __secondary_hold: tovirt(r26,r26) #endif /* All secondary cpus wait here until told to start. */ -100: ld r12,(ABS_ADDR(__secondary_hold_spinloop))(r26) +100: ld r12,(ABS_ADDR(__secondary_hold_spinloop, first_256B))(r26) cmpdi 0,r12,0 beq 100b @@ -649,15 +649,15 @@ __after_prom_start: 3: #endif /* # bytes of memory to copy */ - lis r5,(ABS_ADDR(copy_to_here))@ha - addi r5,r5,(ABS_ADDR(copy_to_here))@l + lis r5,(ABS_ADDR(copy_to_here, text))@ha + addi r5,r5,(ABS_ADDR(copy_to_here, text))@l bl copy_and_flush /* copy the first n bytes */ /* this includes the code being */ /* executed here. */ /* Jump to the copy of this code that we just made */ - addis r8,r3,(ABS_ADDR(4f))@ha - addi r12,r8,(ABS_ADDR(4f))@l + addis r8,r3,(ABS_ADDR(4f, text))@ha + addi r12,r8,(ABS_ADDR(4f, text))@l mtctr r12 bctr @@ -669,8 +669,8 @@ p_end: .8byte _end - copy_to_here * Now copy the rest of the kernel up to _end, add * _end - copy_to_here to the copy limit and run again. */ - addis r8,r26,(ABS_ADDR(p_end))@ha - ld r8,(ABS_ADDR(p_end))@l(r8) + addis r8,r26,(ABS_ADDR(p_end, text))@ha + ld r8,(ABS_ADDR(p_end, text))@l(r8) add r5,r5,r8 5: bl copy_and_flush /* copy the rest */ diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index 2ad223597ca2..d3180139e35a 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -695,7 +695,7 @@ interrupt_return_macro hsrr .globl __end_soft_masked __end_soft_masked: -DEFINE_FIXED_SYMBOL(__end_soft_masked) +DEFINE_FIXED_SYMBOL(__end_soft_masked, text) #endif /* CONFIG_PPC_BOOK3S */ #ifdef CONFIG_PPC_BOOK3S |