diff options
Diffstat (limited to 'sys/mips/sibyte/sb_scd.c')
| -rw-r--r-- | sys/mips/sibyte/sb_scd.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/mips/sibyte/sb_scd.c b/sys/mips/sibyte/sb_scd.c index c8fec69..bfaa8d4 100644 --- a/sys/mips/sibyte/sb_scd.c +++ b/sys/mips/sibyte/sb_scd.c @@ -38,8 +38,15 @@ __FBSDID("$FreeBSD$"); #include "sb_scd.h" -extern void sb_store64(uint32_t addr, uint64_t val); -extern uint64_t sb_load64(uint32_t addr); +/* + * We compile a 32-bit kernel to run on the SB-1 processor which is a 64-bit + * processor. It has some registers that must be accessed using 64-bit load + * and store instructions. + * + * We use the mips_ld() and mips_sd() functions to do this for us. + */ +#define sb_store64(addr, val) mips3_sd((uint64_t *)(addr), (val)) +#define sb_load64(addr) mips3_ld((uint64_t *)(addr)) /* * System Control and Debug (SCD) unit on the Sibyte ZBbus. |
