| 1 | This is an incomplete proof of concept that I applied to be able to |
| 2 | build a 64 bit kernel with GCC-4.4. It doesn't handle the 32 bit case |
| 3 | or the R4000_WAR case. |
| 4 | |
| 5 | Comments welcome. |
| 6 | |
| 7 | Signed-off-by: David Daney <ddaney@caviumnetworks.com> |
| 8 | --- |
| 9 | arch/mips/include/asm/compiler.h | 7 +++++++ |
| 10 | 2 files changed, 11 insertions(+), 0 deletions(-) |
| 11 | |
| 12 | --- a/arch/mips/include/asm/compiler.h |
| 13 | +++ b/arch/mips/include/asm/compiler.h |
| 14 | @@ -16,4 +16,11 @@ |
| 15 | #define GCC_REG_ACCUM "accum" |
| 16 | #endif |
| 17 | |
| 18 | +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) |
| 19 | +#define GCC_NO_H_CONSTRAINT |
| 20 | +#ifdef CONFIG_64BIT |
| 21 | +typedef unsigned int uint128_t __attribute__((mode(TI))); |
| 22 | +#endif |
| 23 | +#endif |
| 24 | + |
| 25 | #endif /* _ASM_COMPILER_H */ |
| 26 | |
