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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-20 11:57:50 -0800 |
commit | c4a1745aa09fc110afdefea0e5d025043e348bae (patch) | |
tree | 6d28dc3a0c1bf18437b3d49f28e5c81b850cdb2f /include/asm-sparc64/processor.h | |
parent | 88dcb91177cfa5b26143a29074389a2aa259c7cf (diff) | |
parent | ac0eb3eb7e54b700386068be025a43d2a3958ee5 (diff) | |
download | kernel_samsung_smdk4412-c4a1745aa09fc110afdefea0e5d025043e348bae.zip kernel_samsung_smdk4412-c4a1745aa09fc110afdefea0e5d025043e348bae.tar.gz kernel_samsung_smdk4412-c4a1745aa09fc110afdefea0e5d025043e348bae.tar.bz2 |
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 'include/asm-sparc64/processor.h')
-rw-r--r-- | include/asm-sparc64/processor.h | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h index cd8d9b4..c6896b8 100644 --- a/include/asm-sparc64/processor.h +++ b/include/asm-sparc64/processor.h @@ -28,6 +28,8 @@ * User lives in his very own context, and cannot reference us. Note * that TASK_SIZE is a misnomer, it really gives maximum user virtual * address that the kernel will allocate out. + * + * XXX No longer using virtual page tables, kill this upper limit... */ #define VA_BITS 44 #ifndef __ASSEMBLY__ @@ -37,18 +39,6 @@ #endif #define TASK_SIZE ((unsigned long)-VPTE_SIZE) -/* - * The vpte base must be able to hold the entire vpte, half - * of which lives above, and half below, the base. And it - * is placed as close to the highest address range as possible. - */ -#define VPTE_BASE_SPITFIRE (-(VPTE_SIZE/2)) -#if 1 -#define VPTE_BASE_CHEETAH VPTE_BASE_SPITFIRE -#else -#define VPTE_BASE_CHEETAH 0xffe0000000000000 -#endif - #ifndef __ASSEMBLY__ typedef struct { @@ -101,7 +91,8 @@ extern unsigned long thread_saved_pc(struct task_struct *); /* Do necessary setup to start up a newly executed thread. */ #define start_thread(regs, pc, sp) \ do { \ - regs->tstate = (regs->tstate & (TSTATE_CWP)) | (TSTATE_INITIAL_MM|TSTATE_IE) | (ASI_PNF << 24); \ + unsigned long __asi = ASI_PNF; \ + regs->tstate = (regs->tstate & (TSTATE_CWP)) | (TSTATE_INITIAL_MM|TSTATE_IE) | (__asi << 24UL); \ regs->tpc = ((pc & (~3)) - 4); \ regs->tnpc = regs->tpc + 4; \ regs->y = 0; \ @@ -138,10 +129,10 @@ do { \ #define start_thread32(regs, pc, sp) \ do { \ + unsigned long __asi = ASI_PNF; \ pc &= 0x00000000ffffffffUL; \ sp &= 0x00000000ffffffffUL; \ -\ - regs->tstate = (regs->tstate & (TSTATE_CWP))|(TSTATE_INITIAL_MM|TSTATE_IE|TSTATE_AM); \ + regs->tstate = (regs->tstate & (TSTATE_CWP))|(TSTATE_INITIAL_MM|TSTATE_IE|TSTATE_AM) | (__asi << 24UL); \ regs->tpc = ((pc & (~3)) - 4); \ regs->tnpc = regs->tpc + 4; \ regs->y = 0; \ @@ -226,6 +217,8 @@ static inline void prefetchw(const void *x) #define spin_lock_prefetch(x) prefetchw(x) +#define HAVE_ARCH_PICK_MMAP_LAYOUT + #endif /* !(__ASSEMBLY__) */ #endif /* !(__ASM_SPARC64_PROCESSOR_H) */ |