diff options
Diffstat (limited to 'freebsd/sys/sparc64/include/machine/cpufunc.h')
| -rw-r--r-- | freebsd/sys/sparc64/include/machine/cpufunc.h | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/freebsd/sys/sparc64/include/machine/cpufunc.h b/freebsd/sys/sparc64/include/machine/cpufunc.h index 60533f83..abfbd1fd 100644 --- a/freebsd/sys/sparc64/include/machine/cpufunc.h +++ b/freebsd/sys/sparc64/include/machine/cpufunc.h @@ -157,9 +157,9 @@ int fasword32(u_long asi, void *addr, uint32_t *val); __sr; \ }) -#define wr(name, val, xor) do { \ +#define wr(name, val, xorval) do { \ __asm __volatile("wr %0, %1, %%" #name \ - : : "r" (val), "rI" (xor)); \ + : : "r" (val), "rI" (xorval)); \ } while (0) #define rdpr(name) ({ \ @@ -168,37 +168,39 @@ int fasword32(u_long asi, void *addr, uint32_t *val); __pr; \ }) -#define wrpr(name, val, xor) do { \ +#define wrpr(name, val, xorval) do { \ __asm __volatile("wrpr %0, %1, %%" #name \ - : : "r" (val), "rI" (xor)); \ + : : "r" (val), "rI" (xorval)); \ } while (0) /* - * Trick GAS/GCC into compiling access to STICK/STICK_COMPARE independently + * Trick GAS/GCC into compiling access to TICK/(S)TICK_COMPARE independently * of the selected instruction set. */ -#define rdstick() rd(asr24) -#define rdstickcmpr() rd(asr25) -#define wrstick(val, xor) wr(asr24, (val), (xor)) -#define wrstickcmpr(val, xor) wr(asr25, (val), (xor)) +#define rdtickcmpr() rd(asr23) +#define rdstick() rd(asr24) +#define rdstickcmpr() rd(asr25) +#define wrtickcmpr(val, xorval) wr(asr23, (val), (xorval)) +#define wrstick(val, xorval) wr(asr24, (val), (xorval)) +#define wrstickcmpr(val, xorval) wr(asr25, (val), (xorval)) /* - * Macro intended to be used instead of wr(asr23, val, xor) for writing to + * Macro intended to be used instead of wr(asr23, val, xorval) for writing to * the TICK_COMPARE register in order to avoid a bug in BlackBird CPUs that - * can cause these writes to fail under certain condidtions which in turn + * can cause these writes to fail under certain conditions which in turn * causes the hardclock to stop. The workaround is to read the TICK_COMPARE * register back immediately after writing to it with these two instructions * aligned to a quadword boundary in order to ensure that I$ misses won't * split them up. */ -#define wrtickcmpr(val, xor) ({ \ +#define wrtickcmpr_bbwar(val, xorval) ({ \ __asm __volatile( \ " ba,pt %%xcc, 1f ; " \ " nop ; " \ " .align 128 ; " \ "1: wr %0, %1, %%asr23 ; " \ " rd %%asr23, %%g0 ; " \ - : : "r" (val), "rI" (xor)); \ + : : "r" (val), "rI" (xorval)); \ }) static __inline void |