diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-03-25 23:40:36 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1997-03-25 23:40:36 +0000 |
| commit | 7206675c40394c78a90e74812bbdbf8cf3cca1be (patch) | |
| tree | 251895cf5a0008e2b4ce438cb01ad4d55fb5b97b /arch/mips/kernel/gdb-low.S | |
| parent | beb116954b9b7f3bb56412b2494b562f02b864b1 (diff) | |
Import of Linux/MIPS 2.1.14.2
Diffstat (limited to 'arch/mips/kernel/gdb-low.S')
| -rw-r--r-- | arch/mips/kernel/gdb-low.S | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S index 9b948a845..9bc35400b 100644 --- a/arch/mips/kernel/gdb-low.S +++ b/arch/mips/kernel/gdb-low.S @@ -9,6 +9,7 @@ #include <linux/sys.h> #include <asm/asm.h> +#include <asm/segment.h> #include <asm/mipsregs.h> #include <asm/mipsconfig.h> #include <asm/regdef.h> @@ -33,7 +34,8 @@ */ lui k1,%hi(kernelsp) lw k1,%lo(kernelsp)(k1) -1: move k0,sp +1: + move k0,sp subu sp,k1,GDB_FR_SIZE sw k0,GDB_FR_REG29(sp) sw v0,GDB_FR_REG2(sp) @@ -100,8 +102,9 @@ mfc0 v0,CP0_STATUS /* check if the FPU is enabled */ srl v0,v0,16 andi v0,v0,(ST0_CU1 >> 16) + beqz v0,2f /* disabled, skip */ - nop + nop swc1 $0,GDB_FR_FPR0(sp) swc1 $1,GDB_FR_FPR1(sp) @@ -149,7 +152,8 @@ * current stack frame ptr */ -2: sw sp,GDB_FR_FRP(sp) +2: + sw sp,GDB_FR_FRP(sp) /* * CP0 registers (R4000/R4400 unused registers skipped) @@ -179,8 +183,9 @@ */ move a0,sp + jal handle_exception - nop + nop /* * restore all writable registers, in reverse order @@ -207,8 +212,9 @@ mfc0 v0,CP0_STATUS /* check if the FPU is enabled */ srl v0,v0,16 andi v0,v0,(ST0_CU1 >> 16) + beqz v0,3f /* disabled, skip */ - nop + nop lwc1 $31,GDB_FR_FPR31(sp) lwc1 $30,GDB_FR_FPR30(sp) @@ -247,7 +253,8 @@ * Now the CP0 and integer registers */ -3: mfc0 t0,CP0_STATUS +3: + mfc0 t0,CP0_STATUS ori t0,0x1f xori t0,0x1f mtc0 t0,CP0_STATUS @@ -292,7 +299,7 @@ lw $1,GDB_FR_REG1(sp) lw sp,GDB_FR_REG29(sp) /* Deallocate stack */ - ERET + eret .set at .set reorder END(trap_low) |