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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
| commit | c4a1745aa09fc110afdefea0e5d025043e348bae (patch) | |
| tree | 6d28dc3a0c1bf18437b3d49f28e5c81b850cdb2f /arch/sparc64/math-emu/math.c | |
| parent | 88dcb91177cfa5b26143a29074389a2aa259c7cf (diff) | |
| parent | ac0eb3eb7e54b700386068be025a43d2a3958ee5 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (230 commits)
[SPARC64]: Update defconfig.
[SPARC64]: Fix 2 bugs in huge page support.
[SPARC64]: CONFIG_BLK_DEV_RAM fix
[SPARC64]: Optimized TSB table initialization.
[SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
[SPARC64]: Use SLAB caches for TSB tables.
[SPARC64]: Don't kill the page allocator when growing a TSB.
[SPARC64]: Randomize mm->mmap_base when PF_RANDOMIZE is set.
[SPARC64]: Increase top of 32-bit process stack.
[SPARC64]: Top-down address space allocation for 32-bit tasks.
[SPARC64] bbc_i2c: Fix cpu check and add missing module license.
[SPARC64]: Fix and re-enable dynamic TSB sizing.
[SUNSU]: Fix missing spinlock initialization.
[TG3]: Do not try to access NIC_SRAM_DATA_SIG on Sun parts.
[SPARC64]: First cut at VIS simulator for Niagara.
[SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.
[SPARC64]: Add SMT scheduling support for Niagara.
[SPARC64]: Fix 32-bit truncation which broke sparsemem.
[SPARC64]: Move over to sparsemem.
[SPARC64]: Fix new context version SMP handling.
...
Diffstat (limited to 'arch/sparc64/math-emu/math.c')
| -rw-r--r-- | arch/sparc64/math-emu/math.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/sparc64/math-emu/math.c b/arch/sparc64/math-emu/math.c index 2ae05cd7b77..6ee496c2864 100644 --- a/arch/sparc64/math-emu/math.c +++ b/arch/sparc64/math-emu/math.c @@ -206,9 +206,29 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f) case FSTOQ: TYPE(3,3,1,1,1,0,0); break; case FDTOQ: TYPE(3,3,1,2,1,0,0); break; case FQTOI: TYPE(3,1,0,3,1,0,0); break; + + /* We can get either unimplemented or unfinished + * for these cases. Pre-Niagara systems generate + * unfinished fpop for SUBNORMAL cases, and Niagara + * always gives unimplemented fpop for fsqrt{s,d}. + */ + case FSQRTS: { + unsigned long x = current_thread_info()->xfsr[0]; + + x = (x >> 14) & 0xf; + TYPE(x,1,1,1,1,0,0); + break; + } + + case FSQRTD: { + unsigned long x = current_thread_info()->xfsr[0]; + + x = (x >> 14) & 0xf; + TYPE(x,2,1,2,1,0,0); + break; + } + /* SUBNORMAL - ftt == 2 */ - case FSQRTS: TYPE(2,1,1,1,1,0,0); break; - case FSQRTD: TYPE(2,2,1,2,1,0,0); break; case FADDD: case FSUBD: case FMULD: |