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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-30 08:10:12 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-30 08:10:12 -0700 |
commit | 24a77daf3d80bddcece044e6dc3675e427eef3f3 (patch) | |
tree | 2c5e0b0bea394d6fe62c5d5857c252e83e48ac48 /arch/powerpc/lib | |
parent | e389f9aec689209724105ae80a6c91fd2e747bc9 (diff) | |
parent | f900e9777fc9b65140cb9570438597bc8fae56ab (diff) | |
download | kernel_samsung_smdk4412-24a77daf3d80bddcece044e6dc3675e427eef3f3.zip kernel_samsung_smdk4412-24a77daf3d80bddcece044e6dc3675e427eef3f3.tar.gz kernel_samsung_smdk4412-24a77daf3d80bddcece044e6dc3675e427eef3f3.tar.bz2 |
Merge branch 'for-2.6.22' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.22' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (255 commits)
[POWERPC] Remove dev_dbg redefinition in drivers/ps3/vuart.c
[POWERPC] remove kernel module option for booke wdt
[POWERPC] Avoid putting cpu node twice
[POWERPC] Spinlock initializer cleanup
[POWERPC] ppc4xx_sgdma needs dma-mapping.h
[POWERPC] arch/powerpc/sysdev/timer.c build fix
[POWERPC] get_property cleanups
[POWERPC] Remove the unused HTDMSOUND driver
[POWERPC] cell: cbe_cpufreq cleanup and crash fix
[POWERPC] Declare enable_kernel_spe in a header
[POWERPC] Add dt_xlate_addr() to bootwrapper
[POWERPC] bootwrapper: CONFIG_ -> CONFIG_DEVICE_TREE
[POWERPC] Don't define a custom bd_t for Xilixn Virtex based boards.
[POWERPC] Add sane defaults for Xilinx EDK generated xparameters files
[POWERPC] Add uartlite boot console driver for the zImage wrapper
[POWERPC] Stop using ppc_sys for Xilinx Virtex boards
[POWERPC] New registration for common Xilinx Virtex ppc405 platform devices
[POWERPC] Merge common virtex header files
[POWERPC] Rework Kconfig dependancies for Xilinx Virtex ppc405 platform
[POWERPC] Clean up cpufreq Kconfig dependencies
...
Diffstat (limited to 'arch/powerpc/lib')
-rw-r--r-- | arch/powerpc/lib/copyuser_64.S | 6 | ||||
-rw-r--r-- | arch/powerpc/lib/locks.c | 4 | ||||
-rw-r--r-- | arch/powerpc/lib/mem_64.S | 6 | ||||
-rw-r--r-- | arch/powerpc/lib/memcpy_64.S | 6 | ||||
-rw-r--r-- | arch/powerpc/lib/sstep.c | 45 |
5 files changed, 57 insertions, 10 deletions
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S index a6b54cb..25ec537 100644 --- a/arch/powerpc/lib/copyuser_64.S +++ b/arch/powerpc/lib/copyuser_64.S @@ -24,7 +24,7 @@ _GLOBAL(__copy_tofrom_user) dcbt 0,r4 beq .Lcopy_page_4K andi. r6,r6,7 - mtcrf 0x01,r5 + PPC_MTOCRF 0x01,r5 blt cr1,.Lshort_copy bne .Ldst_unaligned .Ldst_aligned: @@ -135,7 +135,7 @@ _GLOBAL(__copy_tofrom_user) b .Ldo_tail .Ldst_unaligned: - mtcrf 0x01,r6 /* put #bytes to 8B bdry into cr7 */ + PPC_MTOCRF 0x01,r6 /* put #bytes to 8B bdry into cr7 */ subf r5,r6,r5 li r7,0 cmpldi r1,r5,16 @@ -150,7 +150,7 @@ _GLOBAL(__copy_tofrom_user) 2: bf cr7*4+1,3f 37: lwzx r0,r7,r4 83: stwx r0,r7,r3 -3: mtcrf 0x01,r5 +3: PPC_MTOCRF 0x01,r5 add r4,r6,r4 add r3,r6,r3 b .Ldst_aligned diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 80b482c..79d0fa3 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -43,9 +43,11 @@ void __spin_yield(raw_spinlock_t *lock) if (firmware_has_feature(FW_FEATURE_ISERIES)) HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, ((u64)holder_cpu << 32) | yield_count); +#ifdef CONFIG_PPC_SPLPAR else plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), yield_count); +#endif } /* @@ -72,9 +74,11 @@ void __rw_yield(raw_rwlock_t *rw) if (firmware_has_feature(FW_FEATURE_ISERIES)) HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, ((u64)holder_cpu << 32) | yield_count); +#ifdef CONFIG_PPC_SPLPAR else plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), yield_count); +#endif } #endif diff --git a/arch/powerpc/lib/mem_64.S b/arch/powerpc/lib/mem_64.S index 68df202..11ce045 100644 --- a/arch/powerpc/lib/mem_64.S +++ b/arch/powerpc/lib/mem_64.S @@ -19,7 +19,7 @@ _GLOBAL(memset) rlwimi r4,r4,16,0,15 cmplw cr1,r5,r0 /* do we get that far? */ rldimi r4,r4,32,0 - mtcrf 1,r0 + PPC_MTOCRF 1,r0 mr r6,r3 blt cr1,8f beq+ 3f /* if already 8-byte aligned */ @@ -49,7 +49,7 @@ _GLOBAL(memset) bdnz 4b 5: srwi. r0,r5,3 clrlwi r5,r5,29 - mtcrf 1,r0 + PPC_MTOCRF 1,r0 beq 8f bf 29,6f std r4,0(r6) @@ -65,7 +65,7 @@ _GLOBAL(memset) std r4,0(r6) addi r6,r6,8 8: cmpwi r5,0 - mtcrf 1,r5 + PPC_MTOCRF 1,r5 beqlr+ bf 29,9f stw r4,0(r6) diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S index 7173ba9..3f13112 100644 --- a/arch/powerpc/lib/memcpy_64.S +++ b/arch/powerpc/lib/memcpy_64.S @@ -12,7 +12,7 @@ .align 7 _GLOBAL(memcpy) std r3,48(r1) /* save destination pointer for return value */ - mtcrf 0x01,r5 + PPC_MTOCRF 0x01,r5 cmpldi cr1,r5,16 neg r6,r3 # LS 3 bits = # bytes to 8-byte dest bdry andi. r6,r6,7 @@ -128,7 +128,7 @@ _GLOBAL(memcpy) b .Ldo_tail .Ldst_unaligned: - mtcrf 0x01,r6 # put #bytes to 8B bdry into cr7 + PPC_MTOCRF 0x01,r6 # put #bytes to 8B bdry into cr7 subf r5,r6,r5 li r7,0 cmpldi r1,r5,16 @@ -143,7 +143,7 @@ _GLOBAL(memcpy) 2: bf cr7*4+1,3f lwzx r0,r7,r4 stwx r0,r7,r3 -3: mtcrf 0x01,r5 +3: PPC_MTOCRF 0x01,r5 add r4,r6,r4 add r3,r6,r3 b .Ldst_aligned diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 7e8ded0..4aae0c3 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -54,7 +54,7 @@ static int __kprobes branch_taken(unsigned int instr, struct pt_regs *regs) */ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) { - unsigned int opcode, rd; + unsigned int opcode, rs, rb, rd, spr; unsigned long int imm; opcode = instr >> 26; @@ -152,6 +152,49 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr) regs->nip &= 0xffffffffUL; return 1; #endif + case 0x26: /* mfcr */ + regs->gpr[rd] = regs->ccr; + regs->gpr[rd] &= 0xffffffffUL; + goto mtspr_out; + case 0x2a6: /* mfspr */ + spr = (instr >> 11) & 0x3ff; + switch (spr) { + case 0x20: /* mfxer */ + regs->gpr[rd] = regs->xer; + regs->gpr[rd] &= 0xffffffffUL; + goto mtspr_out; + case 0x100: /* mflr */ + regs->gpr[rd] = regs->link; + goto mtspr_out; + case 0x120: /* mfctr */ + regs->gpr[rd] = regs->ctr; + goto mtspr_out; + } + break; + case 0x378: /* orx */ + rs = (instr >> 21) & 0x1f; + rb = (instr >> 11) & 0x1f; + if (rs == rb) { /* mr */ + rd = (instr >> 16) & 0x1f; + regs->gpr[rd] = regs->gpr[rs]; + goto mtspr_out; + } + break; + case 0x3a6: /* mtspr */ + spr = (instr >> 11) & 0x3ff; + switch (spr) { + case 0x20: /* mtxer */ + regs->xer = (regs->gpr[rd] & 0xffffffffUL); + goto mtspr_out; + case 0x100: /* mtlr */ + regs->link = regs->gpr[rd]; + goto mtspr_out; + case 0x120: /* mtctr */ + regs->ctr = regs->gpr[rd]; +mtspr_out: + regs->nip += 4; + return 1; + } } } return 0; |