diff options
Diffstat (limited to 'ArmPkg/Drivers/CpuDxe/ExceptionSupport.ARMv6.S')
| -rw-r--r-- | ArmPkg/Drivers/CpuDxe/ExceptionSupport.ARMv6.S | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/ArmPkg/Drivers/CpuDxe/ExceptionSupport.ARMv6.S b/ArmPkg/Drivers/CpuDxe/ExceptionSupport.ARMv6.S index 1c2bb62605..86d2a7135f 100644 --- a/ArmPkg/Drivers/CpuDxe/ExceptionSupport.ARMv6.S +++ b/ArmPkg/Drivers/CpuDxe/ExceptionSupport.ARMv6.S @@ -14,6 +14,8 @@ # #------------------------------------------------------------------------------ +#include <Library/PcdLib.h> + /* This is the stack constructed by the exception handler (low address to high address) @@ -50,22 +52,17 @@ This is the stack constructed by the exception handler (low address to high addr */ -.globl ASM_PFX(ExceptionHandlersStart) -INTERWORK_FUNC(ExceptionHandlersStart) -.globl ASM_PFX(ExceptionHandlersEnd) -INTERWORK_FUNC(ExceptionHandlersEnd) -.globl ASM_PFX(CommonExceptionEntry) -INTERWORK_FUNC(CommonExceptionEntry) -.globl ASM_PFX(AsmCommonExceptionEntry) -INTERWORK_FUNC(AsmCommonExceptionEntry) -.globl ASM_PFX(CommonCExceptionHandler) -INTERWORK_FUNC(CommonCExceptionHandler) +GCC_ASM_EXPORT(ExceptionHandlersStart) +GCC_ASM_EXPORT(ExceptionHandlersEnd) +GCC_ASM_EXPORT(CommonExceptionEntry) +GCC_ASM_EXPORT(AsmCommonExceptionEntry) +GCC_ASM_EXPORT(CommonCExceptionHandler) .text #if !defined(__APPLE__) .fpu neon @ makes vpush/vpop assemble #endif -.align 3 +.align 5 // @@ -198,10 +195,7 @@ ASM_PFX(FiqEntry): // This gets patched by the C code that patches in the vector table // ASM_PFX(CommonExceptionEntry): - .byte 0x12 - .byte 0x34 - .byte 0x56 - .byte 0x78 + .word ASM_PFX(AsmCommonExceptionEntry) ASM_PFX(ExceptionHandlersEnd): @@ -254,8 +248,9 @@ NoAdjustNeeded: @ R0 is ExceptionType mov R1,SP @ R1 is SystemContext +#if (FixedPcdGet32(PcdVFPEnabled)) vpush {d0-d15} @ save vstm registers in case they are used in optimizations - +#endif /* VOID @@ -268,7 +263,9 @@ CommonCExceptionHandler ( */ blx ASM_PFX(CommonCExceptionHandler) @ Call exception handler +#if (FixedPcdGet32(PcdVFPEnabled)) vpop {d0-d15} +#endif ldr R1, [SP, #0x4c] @ Restore EFI_SYSTEM_CONTEXT_ARM.IFSR mcr p15, 0, R1, c5, c0, 1 @ Write IFSR |