]> err.no Git - linux-2.6/blobdiff - arch/ppc/kernel/misc.S
Merge branch 'server-cluster-locking-api' of git://linux-nfs.org/~bfields/linux
[linux-2.6] / arch / ppc / kernel / misc.S
index 50b4bbd06804b123a443ab0420e824a1ebaf2bc8..d319f9ba2379d812f31d5bfbc8b249989de79636 100644 (file)
@@ -109,80 +109,6 @@ _GLOBAL(reloc_got2)
        mtlr    r11
        blr
 
-/*
- * identify_cpu,
- * called with r3 = data offset and r4 = CPU number
- * doesn't change r3
- */
-_GLOBAL(identify_cpu)
-       addis   r8,r3,cpu_specs@ha
-       addi    r8,r8,cpu_specs@l
-       mfpvr   r7
-1:
-       lwz     r5,CPU_SPEC_PVR_MASK(r8)
-       and     r5,r5,r7
-       lwz     r6,CPU_SPEC_PVR_VALUE(r8)
-       cmplw   0,r6,r5
-       beq     1f
-       addi    r8,r8,CPU_SPEC_ENTRY_SIZE
-       b       1b
-1:
-       addis   r6,r3,cur_cpu_spec@ha
-       addi    r6,r6,cur_cpu_spec@l
-       sub     r8,r8,r3
-       stw     r8,0(r6)
-       blr
-
-/*
- * do_cpu_ftr_fixups - goes through the list of CPU feature fixups
- * and writes nop's over sections of code that don't apply for this cpu.
- * r3 = data offset (not changed)
- */
-_GLOBAL(do_cpu_ftr_fixups)
-       /* Get CPU 0 features */
-       addis   r6,r3,cur_cpu_spec@ha
-       addi    r6,r6,cur_cpu_spec@l
-       lwz     r4,0(r6)
-       add     r4,r4,r3
-       lwz     r4,CPU_SPEC_FEATURES(r4)
-
-       /* Get the fixup table */
-       addis   r6,r3,__start___ftr_fixup@ha
-       addi    r6,r6,__start___ftr_fixup@l
-       addis   r7,r3,__stop___ftr_fixup@ha
-       addi    r7,r7,__stop___ftr_fixup@l
-
-       /* Do the fixup */
-1:     cmplw   0,r6,r7
-       bgelr
-       addi    r6,r6,16
-       lwz     r8,-16(r6)      /* mask */
-       and     r8,r8,r4
-       lwz     r9,-12(r6)      /* value */
-       cmplw   0,r8,r9
-       beq     1b
-       lwz     r8,-8(r6)       /* section begin */
-       lwz     r9,-4(r6)       /* section end */
-       subf.   r9,r8,r9
-       beq     1b
-       /* write nops over the section of code */
-       /* todo: if large section, add a branch at the start of it */
-       srwi    r9,r9,2
-       mtctr   r9
-       add     r8,r8,r3
-       lis     r0,0x60000000@h /* nop */
-3:     stw     r0,0(r8)
-       andi.   r10,r4,CPU_FTR_SPLIT_ID_CACHE@l
-       beq     2f
-       dcbst   0,r8            /* suboptimal, but simpler */
-       sync
-       icbi    0,r8
-2:     addi    r8,r8,4
-       bdnz    3b
-       sync                    /* additional sync needed on g4 */
-       isync
-       b       1b
-
 /*
  * call_setup_cpu - call the setup_cpu function for this cpu
  * r3 = data offset, r24 = cpu number
@@ -942,20 +868,16 @@ _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...
  */
 _GLOBAL(__main)
        blr
 
-#define SYSCALL(name) \
-_GLOBAL(name) \
-       li      r0,__NR_##name; \
-       sc; \
-       bnslr; \
-       lis     r4,errno@ha; \
-       stw     r3,errno@l(r4); \
-       li      r3,-1; \
-       blr
-
-SYSCALL(execve)