diff options
Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 56 |
1 files changed, 39 insertions, 17 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 8b642ab26d37..5c2e253ddfb1 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -206,6 +206,45 @@ _GLOBAL(_nmask_and_or_msr) isync blr /* Done */ +#ifdef CONFIG_40x + +/* + * Do an IO access in real mode + */ +_GLOBAL(real_readb) + mfmsr r7 + ori r0,r7,MSR_DR + xori r0,r0,MSR_DR + sync + mtmsr r0 + sync + isync + lbz r3,0(r3) + sync + mtmsr r7 + sync + isync + blr + + /* + * Do an IO access in real mode + */ +_GLOBAL(real_writeb) + mfmsr r7 + ori r0,r7,MSR_DR + xori r0,r0,MSR_DR + sync + mtmsr r0 + sync + isync + stb r3,0(r4) + sync + mtmsr r7 + sync + isync + blr + +#endif /* CONFIG_40x */ /* * Flush MMU TLB @@ -236,12 +275,6 @@ _GLOBAL(_tlbia) /* Invalidate all entries in TLB1 */ li r3, 0x0c tlbivax 0,3 - /* Invalidate all entries in TLB2 */ - li r3, 0x14 - tlbivax 0,3 - /* Invalidate all entries in TLB3 */ - li r3, 0x1c - tlbivax 0,3 msync #ifdef CONFIG_SMP tlbsync @@ -336,12 +369,8 @@ _GLOBAL(_tlbie) #elif defined(CONFIG_FSL_BOOKE) rlwinm r4, r3, 0, 0, 19 ori r5, r4, 0x08 /* TLBSEL = 1 */ - ori r6, r4, 0x10 /* TLBSEL = 2 */ - ori r7, r4, 0x18 /* TLBSEL = 3 */ tlbivax 0, r4 tlbivax 0, r5 - tlbivax 0, r6 - tlbivax 0, r7 msync #if defined(CONFIG_SMP) tlbsync @@ -793,13 +822,6 @@ _GLOBAL(kernel_thread) addi r1,r1,16 blr -_GLOBAL(kernel_execve) - li r0,__NR_execve - sc - bnslr - neg r3,r3 - blr - /* * This routine is just here to keep GCC happy - sigh... */ |