diff options
| author | David S. Miller <davem@davemloft.net> | 2013-04-06 23:51:48 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-06 23:51:48 +0200 |
| commit | 598ec971ddcf7dcb0c381230e69a39c75b7fac1a (patch) | |
| tree | cc8c1268d7d3a27f51e0a13adc04d68375eb85a8 /arch | |
| parent | sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW (diff) | |
| download | linux-598ec971ddcf7dcb0c381230e69a39c75b7fac1a.tar.xz linux-598ec971ddcf7dcb0c381230e69a39c75b7fac1a.zip | |
sparc: Consistently use 'wr' and 'rd' instructions for ASRs.
For consistency, don't use 'mov'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/head_32.h | 6 | ||||
| -rw-r--r-- | arch/sparc/kernel/leon_pmc.c | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h index a76874838f61..5f1dbe315bc8 100644 --- a/arch/sparc/include/asm/head_32.h +++ b/arch/sparc/include/asm/head_32.h @@ -55,15 +55,15 @@ /* The Get Condition Codes software trap for userland. */ #define GETCC_TRAP \ - b getcc_trap_handler; mov %psr, %l0; nop; nop; + b getcc_trap_handler; rd %psr, %l0; nop; nop; /* The Set Condition Codes software trap for userland. */ #define SETCC_TRAP \ - b setcc_trap_handler; mov %psr, %l0; nop; nop; + b setcc_trap_handler; rd %psr, %l0; nop; nop; /* The Get PSR software trap for userland. */ #define GETPSR_TRAP \ - mov %psr, %i0; jmp %l2; rett %l2 + 4; nop; + rd %psr, %i0; jmp %l2; rett %l2 + 4; nop; /* This is for hard interrupts from level 1-14, 15 is non-maskable (nmi) and * gets handled with another macro. diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c index 708bca435219..bdf53d9a8d46 100644 --- a/arch/sparc/kernel/leon_pmc.c +++ b/arch/sparc/kernel/leon_pmc.c @@ -48,7 +48,7 @@ void pmc_leon_idle_fixup(void) */ register unsigned int address = (unsigned int)leon3_irqctrl_regs; __asm__ __volatile__ ( - "mov %%g0, %%asr19\n" + "wr %%g0, %%asr19\n" "lda [%0] %1, %%g0\n" : : "r"(address), "i"(ASI_LEON_BYPASS)); @@ -61,7 +61,7 @@ void pmc_leon_idle_fixup(void) void pmc_leon_idle(void) { /* For systems without power-down, this will be no-op */ - __asm__ __volatile__ ("mov %g0, %asr19\n\t"); + __asm__ __volatile__ ("wr %g0, %asr19\n\t"); } /* Install LEON Power Down function */ |