diff options
Diffstat (limited to 'arch/mips/kernel/entry.S')
| -rw-r--r-- | arch/mips/kernel/entry.S | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index a9c6de1b954..766655f3525 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -7,7 +7,6 @@ * Copyright (C) 1999, 2000 Silicon Graphics, Inc. * Copyright (C) 2001 MIPS Technologies, Inc. */ -#include <linux/config.h> #include <asm/asm.h> #include <asm/asmmacro.h> @@ -66,7 +65,7 @@ need_resched: #endif FEXPORT(ret_from_fork) - jal schedule_tail # a0 = task_t *prev + jal schedule_tail # a0 = struct task_struct *prev FEXPORT(syscall_exit) local_irq_disable # make sure need_resched and @@ -87,7 +86,7 @@ FEXPORT(restore_all) # restore full frame ori v1, v0, TCSTATUS_IXMT mtc0 v1, CP0_TCSTATUS andi v0, TCSTATUS_IXMT - ehb + _ehb mfc0 t0, CP0_TCCONTEXT DMT 9 # dmt t1 jal mips_ihb @@ -95,7 +94,7 @@ FEXPORT(restore_all) # restore full frame andi t3, t0, 0xff00 or t2, t2, t3 mtc0 t2, CP0_STATUS - ehb + _ehb andi t1, t1, VPECONTROL_TE beqz t1, 1f EMT @@ -105,7 +104,7 @@ FEXPORT(restore_all) # restore full frame xori v1, v1, TCSTATUS_IXMT or v1, v0, v1 mtc0 v1, CP0_TCSTATUS - ehb + _ehb xor t0, t0, t3 mtc0 t0, CP0_TCCONTEXT #endif /* CONFIG_MIPS_MT_SMTC */ @@ -114,6 +113,21 @@ FEXPORT(restore_all) # restore full frame RESTORE_AT RESTORE_STATIC FEXPORT(restore_partial) # restore partial frame +#ifdef CONFIG_TRACE_IRQFLAGS + SAVE_STATIC + SAVE_AT + SAVE_TEMP + LONG_L v0, PT_STATUS(sp) + and v0, 1 + beqz v0, 1f + jal trace_hardirqs_on + b 2f +1: jal trace_hardirqs_off +2: + RESTORE_TEMP + RESTORE_AT + RESTORE_STATIC +#endif RESTORE_SOME RESTORE_SP_AND_RET .set at |