X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fkernel%2Fgdb-low.S;h=2c446063636aeda90de92e07d44bbafd521255f2;hb=refs%2Fheads%2Fvserver;hp=83b8986f94011b0113d7d686535461c8bcd76275;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S
index 83b8986f9..2c4460636 100644
--- a/arch/mips/kernel/gdb-low.S
+++ b/arch/mips/kernel/gdb-low.S
@@ -3,11 +3,11 @@
  *
  * Copyright (C) 1995 Andreas Busse
  */
-#include <linux/config.h>
 #include <linux/sys.h>
 
 #include <asm/asm.h>
 #include <asm/errno.h>
+#include <asm/irqflags.h>
 #include <asm/mipsregs.h>
 #include <asm/regdef.h>
 #include <asm/stackframe.h>
@@ -41,7 +41,7 @@
  */
 		.align 	5
 		NESTED(trap_low, GDB_FR_SIZE, sp)
- 		.set	noat
+		.set	noat
 		.set 	noreorder
 
 		mfc0	k0, CP0_STATUS
@@ -54,9 +54,11 @@
 		 */
 		mfc0	k0, CP0_CAUSE
 		andi	k0, k0, 0x7c
-		add	k1, k1, k0
-		PTR_L	k0, saved_vectors(k1)
-		jr	k0
+#ifdef CONFIG_64BIT
+		dsll	k0, k0, 1
+#endif
+		PTR_L	k1, saved_vectors(k0)
+		jr	k1
 		nop
 1:
 		move	k0, sp
@@ -119,6 +121,7 @@
 		LONG_S	$31, GDB_FR_REG31(sp)
 
 		CLI				/* disable interrupts */
+		TRACE_IRQS_OFF
 
 /*
  * Followed by the floating point registers
@@ -283,11 +286,33 @@
  */
 
 3:
+#ifdef CONFIG_MIPS_MT_SMTC
+		/* Read-modify write of Status must be atomic */
+		mfc0	t2, CP0_TCSTATUS
+		ori	t1, t2, TCSTATUS_IXMT
+		mtc0	t1, CP0_TCSTATUS
+		andi	t2, t2, TCSTATUS_IXMT
+		_ehb
+		DMT	9				# dmt	t1
+		jal	mips_ihb
+		nop
+#endif /* CONFIG_MIPS_MT_SMTC */
 		mfc0	t0, CP0_STATUS
 		ori	t0, 0x1f
 		xori	t0, 0x1f
 		mtc0	t0, CP0_STATUS
-
+#ifdef CONFIG_MIPS_MT_SMTC
+        	andi    t1, t1, VPECONTROL_TE
+        	beqz    t1, 9f
+		nop
+        	EMT					# emt
+9:
+		mfc0	t1, CP0_TCSTATUS
+		xori	t1, t1, TCSTATUS_IXMT
+		or	t1, t1, t2
+		mtc0	t1, CP0_TCSTATUS
+		_ehb
+#endif /* CONFIG_MIPS_MT_SMTC */
 		LONG_L	v0, GDB_FR_STATUS(sp)
 		LONG_L	v1, GDB_FR_EPC(sp)
 		mtc0	v0, CP0_STATUS