diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-04 21:40:17 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-04 21:40:17 -0800 |
| commit | 0efcafb0fb7a163999a8821e8a5e7792fca90a2d (patch) | |
| tree | 649d16382e562f595ec55b2aa9ec0d8c5824629b /arch/sparc64/kernel/visemul.c | |
| parent | e948990f958c6c41036a99c8a6581e35e7e23d80 (diff) | |
| parent | 410d2c8187ed969238ba98008c1d57307a56cfd8 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Sync FPU state in VIS emulation handler.
sparc64: Fix VIS emulation bugs
sparc: asm/bitops.h should define __fls
sparc64: Fix bug in PTRACE_SETFPREGS64 handling.
Diffstat (limited to 'arch/sparc64/kernel/visemul.c')
| -rw-r--r-- | arch/sparc64/kernel/visemul.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/visemul.c b/arch/sparc64/kernel/visemul.c index 9e05cb5cb85..b956fd71c13 100644 --- a/arch/sparc64/kernel/visemul.c +++ b/arch/sparc64/kernel/visemul.c @@ -131,7 +131,7 @@ #define VIS_OPF_SHIFT 5 #define VIS_OPF_MASK (0x1ff << VIS_OPF_SHIFT) -#define RS1(INSN) (((INSN) >> 24) & 0x1f) +#define RS1(INSN) (((INSN) >> 14) & 0x1f) #define RS2(INSN) (((INSN) >> 0) & 0x1f) #define RD(INSN) (((INSN) >> 25) & 0x1f) @@ -445,7 +445,7 @@ static void pdist(struct pt_regs *regs, unsigned int insn) unsigned long i; rs1 = fpd_regval(f, RS1(insn)); - rs2 = fpd_regval(f, RS1(insn)); + rs2 = fpd_regval(f, RS2(insn)); rd = fpd_regaddr(f, RD(insn)); rd_val = *rd; @@ -807,6 +807,8 @@ int vis_emul(struct pt_regs *regs, unsigned int insn) if (get_user(insn, (u32 __user *) pc)) return -EFAULT; + save_and_clear_fpu(); + opf = (insn & VIS_OPF_MASK) >> VIS_OPF_SHIFT; switch (opf) { default: |