diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c b/c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c index 832c698c45..33f37fc0fd 100644 --- a/c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c @@ -26,6 +26,11 @@ #include <rtems/libcsupport.h> #include <rtems/bspIo.h> #include <libcpu/cpuIdent.h> +#include <libcpu/spr.h> + + +SPR_RW(SPRG0) +SPR_RW(SPRG1) /* * The original table from the application (in ROM) and our copy of it with @@ -134,7 +139,6 @@ void bsp_start(void) ppc_cpu_id_t myCpu; ppc_cpu_revision_t myCpuRevision; register unsigned char* intrStack; - register unsigned int intrNestingLevel = 0; /* * Get CPU identification dynamically. Note that the get_ppc_cpu_type() function @@ -166,8 +170,9 @@ void bsp_start(void) */ intrStack = (((unsigned char*)&intrStackPtr) - CPU_MINIMUM_STACK_FRAME_SIZE); - asm volatile ("mtspr 273, %0" : "=r" (intrStack) : "0" (intrStack)); - asm volatile ("mtspr 272, %0" : "=r" (intrNestingLevel) : "0" (intrNestingLevel)); + _write_SPRG1((unsigned int)intrStack); + /* signal them that we have fixed PR288 - eventually, this should go away */ + _write_SPRG0(PPC_BSP_HAS_FIXED_PR288); /* * Install our own set of exception vectors |