summaryrefslogtreecommitdiff
path: root/arch/mips/kernel/genex.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kernel/genex.S')
-rw-r--r--arch/mips/kernel/genex.S54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index a9ce3408be25..ac35e12cb1f3 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -21,20 +21,6 @@
#include <asm/war.h>
#include <asm/thread_info.h>
-#ifdef CONFIG_MIPS_MT_SMTC
-#define PANIC_PIC(msg) \
- .set push; \
- .set nomicromips; \
- .set reorder; \
- PTR_LA a0,8f; \
- .set noat; \
- PTR_LA AT, panic; \
- jr AT; \
-9: b 9b; \
- .set pop; \
- TEXT(msg)
-#endif
-
__INIT
/*
@@ -251,15 +237,6 @@ NESTED(except_vec_vi, 0, sp)
SAVE_AT
.set push
.set noreorder
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * To keep from blindly blocking *all* interrupts
- * during service by SMTC kernel, we also want to
- * pass the IM value to be cleared.
- */
-FEXPORT(except_vec_vi_mori)
- ori a0, $0, 0
-#endif /* CONFIG_MIPS_MT_SMTC */
PTR_LA v1, except_vec_vi_handler
FEXPORT(except_vec_vi_lui)
lui v0, 0 /* Patched */
@@ -277,37 +254,10 @@ EXPORT(except_vec_vi_end)
NESTED(except_vec_vi_handler, 0, sp)
SAVE_TEMP
SAVE_STATIC
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC has an interesting problem that interrupts are level-triggered,
- * and the CLI macro will clear EXL, potentially causing a duplicate
- * interrupt service invocation. So we need to clear the associated
- * IM bit of Status prior to doing CLI, and restore it after the
- * service routine has been invoked - we must assume that the
- * service routine will have cleared the state, and any active
- * level represents a new or otherwised unserviced event...
- */
- mfc0 t1, CP0_STATUS
- and t0, a0, t1
-#ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
- mfc0 t2, CP0_TCCONTEXT
- or t2, t0, t2
- mtc0 t2, CP0_TCCONTEXT
-#endif /* CONFIG_MIPS_MT_SMTC_IM_BACKSTOP */
- xor t1, t1, t0
- mtc0 t1, CP0_STATUS
- _ehb
-#endif /* CONFIG_MIPS_MT_SMTC */
CLI
#ifdef CONFIG_TRACE_IRQFLAGS
move s0, v0
-#ifdef CONFIG_MIPS_MT_SMTC
- move s1, a0
-#endif
TRACE_IRQS_OFF
-#ifdef CONFIG_MIPS_MT_SMTC
- move a0, s1
-#endif
move v0, s0
#endif
@@ -496,9 +446,6 @@ NESTED(nmi_handler, PT_SIZE, sp)
.align 5
LEAF(handle_ri_rdhwr_vivt)
-#ifdef CONFIG_MIPS_MT_SMTC
- PANIC_PIC("handle_ri_rdhwr_vivt called")
-#else
.set push
.set noat
.set noreorder
@@ -517,7 +464,6 @@ NESTED(nmi_handler, PT_SIZE, sp)
.set pop
bltz k1, handle_ri /* slow path */
/* fall thru */
-#endif
END(handle_ri_rdhwr_vivt)
LEAF(handle_ri_rdhwr)