diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mbx8xx/vectors/vectors.S | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/c/src/lib/libbsp/powerpc/mbx8xx/vectors/vectors.S b/c/src/lib/libbsp/powerpc/mbx8xx/vectors/vectors.S index d634cc8b88..14720aee38 100644 --- a/c/src/lib/libbsp/powerpc/mbx8xx/vectors/vectors.S +++ b/c/src/lib/libbsp/powerpc/mbx8xx/vectors/vectors.S @@ -2,26 +2,26 @@ * (c) 1999, Eric Valette valette@crf.canon.fr * * - * This file contains the assembly code for the PowerPC + * This file contains the assembly code for the PowerPC * exception veneers for RTEMS. * * $Id$ */ - + #include <rtems/asm.h> #include <rtems/score/cpu.h> #include <bsp/vectors.h> - + #define SYNC \ sync; \ isync - + .text - .p2align 5 - + .p2align 5 + PUBLIC_VAR(default_exception_vector_code_prolog) SYM (default_exception_vector_code_prolog): /* @@ -34,7 +34,7 @@ SYM (default_exception_vector_code_prolog): stw r2, EXC_LR_OFFSET(r1) bl 0f 0: /* - * r3 = exception vector entry point + * r3 = exception vector entry point * (256 * vector number) + few instructions */ mflr r3 @@ -42,21 +42,21 @@ SYM (default_exception_vector_code_prolog): * r3 = r3 >> 8 = vector */ srwi r3,r3,8 -#ifdef THIS_CODE_LINKED_USING_FLASH_ADDR_RANGE +#ifdef THIS_CODE_LINKED_USING_FLASH_ADDR_RANGE lis r2,push_normalized_frame@h ori r2,r2,push_normalized_frame@l mtlr r2 blr #else ba push_normalized_frame -#endif - +#endif + PUBLIC_VAR (default_exception_vector_code_prolog_size) - + default_exception_vector_code_prolog_size= . - default_exception_vector_code_prolog - + .p2align 5 -PUBLIC_VAR (push_normalized_frame) +PUBLIC_VAR (push_normalized_frame) SYM (push_normalized_frame): stw r3, EXCEPTION_NUMBER_OFFSET(r1) stw r0, GPR0_OFFSET(r1) @@ -70,7 +70,7 @@ SYM (push_normalized_frame): * Saved a few line above : R0 * * Manual says that "stmw" instruction may be slower than - * series of individual "stw" but who cares about performance + * series of individual "stw" but who cares about performance * for the DEFAULT exception handler? */ stmw r4, GPR4_OFFSET(r1) /* save R4->R31 */ @@ -96,7 +96,7 @@ SYM (push_normalized_frame): ori r3,r3, MSR_RI | MSR_IR | MSR_DR mtmsr r3 SYNC - + /* * Call C exception handler */ @@ -137,12 +137,12 @@ SYM (push_normalized_frame): /* * Restore rfi related settings */ - + lwz r3, SRR1_FRAME_OFFSET(r1) mtsrr1 r3 lwz r3, SRR0_FRAME_OFFSET(r1) mtsrr0 r3 - + lwz r3, GPR3_OFFSET(r1) addi r1,r1, EXCEPTION_FRAME_END SYNC |