Mercurial > flash_v2
changeset 1441:dbadab9b4441
Add macros for machine check exception
| author | gthomas |
|---|---|
| date | Thu, 11 Dec 2003 15:17:04 +0000 |
| parents | 4367d4c65982 |
| children | b2f2e3f2a047 |
| files | packages/hal/powerpc/arch/current/ChangeLog packages/hal/powerpc/arch/current/include/hal_intr.h |
| diffstat | 2 files changed, 40 insertions(+), 0 deletions(-) [+] |
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--- a/packages/hal/powerpc/arch/current/ChangeLog +++ b/packages/hal/powerpc/arch/current/ChangeLog @@ -1,3 +1,8 @@ +2003-12-11 Gary Thomas <gary@mlbassoc.com> + + * include/hal_intr.h: Add macros to manipulate machine check enable + bit in the MSR. + 2003-12-08 Gary Thomas <gary@mlbassoc.com> * src/hal_misc.c (cyg_hal_exception_handler): Only declare __mem_fault_handler
--- a/packages/hal/powerpc/arch/current/include/hal_intr.h +++ b/packages/hal/powerpc/arch/current/include/hal_intr.h @@ -230,6 +230,41 @@ typedef cyg_uint32 CYG_INTERRUPT_STATE; CYG_MACRO_END //-------------------------------------------------------------------------- +// Machine check manipulation +#define HAL_DISABLE_MACHINE_CHECK(_old_) \ + CYG_MACRO_START \ + cyg_uint32 tmp1, tmp2; \ + asm volatile ( \ + "mfmsr %0;" \ + "mr %2,%0;" \ + "li %1,0;" \ + "rlwimi %2,%1,0,19,19;" \ + "mtmsr %2;" \ + : "=r"(_old_), "=r" (tmp1), "=r" (tmp2)); \ + CYG_MACRO_END + +#define HAL_ENABLE_MACHINE_CHECK() \ + CYG_MACRO_START \ + cyg_uint32 tmp1, tmp2; \ + asm volatile ( \ + "mfmsr %0;" \ + "lis %1,%1,0x0001;" \ + "rlwimi %0,%1,0,19,19;" \ + "mtmsr %0;" \ + : "=r" (tmp1), "=r" (tmp2)); \ + CYG_MACRO_END + +#define HAL_QUERY_MACHINE_CHECK(_old_) \ + CYG_MACRO_START \ + cyg_uint32 tmp; \ + asm volatile ( \ + "mfmsr %0;" \ + "lis %1,0x0001;" \ + "and %0,%0,%1;" \ + : "=&r"(_old_), "=r" (tmp)); \ + CYG_MACRO_END + +//-------------------------------------------------------------------------- // Vector translation. #ifndef HAL_TRANSLATE_VECTOR