diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-13 03:22:53 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-14 23:06:52 -0400 |
commit | ee1e17c69eb3c843d283eb3fbed1616ed9a122eb (patch) | |
tree | 18c4beae1331663fadec51f914f2ef50ed1be7fb /arch/blackfin/mach-common/entry.S | |
parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) |
blackfin: convert kernel_thread() and kernel_execve() to generic ones
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/blackfin/mach-common/entry.S')
-rw-r--r-- | arch/blackfin/mach-common/entry.S | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 1c3d2c5bb0b..4a38c68e2dd 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -530,61 +530,6 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/ jump .Lsyscall_really_exit; ENDPROC(_trap) -ENTRY(_kernel_execve) - link SIZEOF_PTREGS; - p0 = sp; - r3 = SIZEOF_PTREGS / 4; - r4 = 0(x); -.Lclear_regs: - [p0++] = r4; - r3 += -1; - cc = r3 == 0; - if !cc jump .Lclear_regs (bp); - - p0 = sp; - sp += -16; - [sp + 12] = p0; - pseudo_long_call _do_execve, p5; - SP += 16; - cc = r0 == 0; - if ! cc jump .Lexecve_failed; - /* Success. Copy our temporary pt_regs to the top of the kernel - * stack and do a normal exception return. - */ - r1 = sp; - r0 = (-KERNEL_STACK_SIZE) (x); - r1 = r1 & r0; - p2 = r1; - p3 = [p2]; - r0 = KERNEL_STACK_SIZE - 4 (z); - p1 = r0; - p1 = p1 + p2; - - p0 = fp; - r4 = [p0--]; - r3 = SIZEOF_PTREGS / 4; -.Lcopy_regs: - r4 = [p0--]; - [p1--] = r4; - r3 += -1; - cc = r3 == 0; - if ! cc jump .Lcopy_regs (bp); - - r0 = (KERNEL_STACK_SIZE - SIZEOF_PTREGS) (z); - p1 = r0; - p1 = p1 + p2; - sp = p1; - r0 = syscfg; - [SP + PT_SYSCFG] = r0; - [p3 + (TASK_THREAD + THREAD_KSP)] = sp; - - RESTORE_CONTEXT; - rti; -.Lexecve_failed: - unlink; - rts; -ENDPROC(_kernel_execve) - ENTRY(_system_call) /* Store IPEND */ p2.l = lo(IPEND); |