diff options
Diffstat (limited to 'arch/cris/arch-v10')
| -rw-r--r-- | arch/cris/arch-v10/kernel/kgdb.c | 350 |
1 files changed, 175 insertions, 175 deletions
diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c index 37e6d2c50b76..0a420336e5d8 100644 --- a/arch/cris/arch-v10/kernel/kgdb.c +++ b/arch/cris/arch-v10/kernel/kgdb.c @@ -1270,93 +1270,93 @@ kill_restart () void kgdb_handle_breakpoint(void); -asm (" - .global kgdb_handle_breakpoint -kgdb_handle_breakpoint: -;; -;; Response to the break-instruction -;; -;; Create a register image of the caller -;; - move $dccr,[reg+0x5E] ; Save the flags in DCCR before disable interrupts - di ; Disable interrupts - move.d $r0,[reg] ; Save R0 - move.d $r1,[reg+0x04] ; Save R1 - move.d $r2,[reg+0x08] ; Save R2 - move.d $r3,[reg+0x0C] ; Save R3 - move.d $r4,[reg+0x10] ; Save R4 - move.d $r5,[reg+0x14] ; Save R5 - move.d $r6,[reg+0x18] ; Save R6 - move.d $r7,[reg+0x1C] ; Save R7 - move.d $r8,[reg+0x20] ; Save R8 - move.d $r9,[reg+0x24] ; Save R9 - move.d $r10,[reg+0x28] ; Save R10 - move.d $r11,[reg+0x2C] ; Save R11 - move.d $r12,[reg+0x30] ; Save R12 - move.d $r13,[reg+0x34] ; Save R13 - move.d $sp,[reg+0x38] ; Save SP (R14) -;; Due to the old assembler-versions BRP might not be recognized - .word 0xE670 ; move brp,$r0 - subq 2,$r0 ; Set to address of previous instruction. - move.d $r0,[reg+0x3c] ; Save the address in PC (R15) - clear.b [reg+0x40] ; Clear P0 - move $vr,[reg+0x41] ; Save special register P1 - clear.w [reg+0x42] ; Clear P4 - move $ccr,[reg+0x44] ; Save special register CCR - move $mof,[reg+0x46] ; P7 - clear.d [reg+0x4A] ; Clear P8 - move $ibr,[reg+0x4E] ; P9, - move $irp,[reg+0x52] ; P10, - move $srp,[reg+0x56] ; P11, - move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR - ; P13, register DCCR already saved -;; Due to the old assembler-versions BRP might not be recognized - .word 0xE670 ; move brp,r0 -;; Static (compiled) breakpoints must return to the next instruction in order -;; to avoid infinite loops. Dynamic (gdb-invoked) must restore the instruction -;; in order to execute it when execution is continued. - test.b [is_dyn_brkp] ; Is this a dynamic breakpoint? - beq is_static ; No, a static breakpoint - nop - subq 2,$r0 ; rerun the instruction the break replaced -is_static: - moveq 1,$r1 - move.b $r1,[is_dyn_brkp] ; Set the state variable to dynamic breakpoint - move.d $r0,[reg+0x62] ; Save the return address in BRP - move $usp,[reg+0x66] ; USP -;; -;; Handle the communication -;; - move.d internal_stack+1020,$sp ; Use the internal stack which grows upward - moveq 5,$r10 ; SIGTRAP - jsr handle_exception ; Interactive routine -;; -;; Return to the caller -;; - move.d [reg],$r0 ; Restore R0 - move.d [reg+0x04],$r1 ; Restore R1 - move.d [reg+0x08],$r2 ; Restore R2 - move.d [reg+0x0C],$r3 ; Restore R3 - move.d [reg+0x10],$r4 ; Restore R4 - move.d [reg+0x14],$r5 ; Restore R5 - move.d [reg+0x18],$r6 ; Restore R6 - move.d [reg+0x1C],$r7 ; Restore R7 - move.d [reg+0x20],$r8 ; Restore R8 - move.d [reg+0x24],$r9 ; Restore R9 - move.d [reg+0x28],$r10 ; Restore R10 - move.d [reg+0x2C],$r11 ; Restore R11 - move.d [reg+0x30],$r12 ; Restore R12 - move.d [reg+0x34],$r13 ; Restore R13 -;; -;; FIXME: Which registers should be restored? -;; - move.d [reg+0x38],$sp ; Restore SP (R14) - move [reg+0x56],$srp ; Restore the subroutine return pointer. - move [reg+0x5E],$dccr ; Restore DCCR - move [reg+0x66],$usp ; Restore USP - jump [reg+0x62] ; A jump to the content in register BRP works. - nop ; -"); +asm ("\n" +" .global kgdb_handle_breakpoint\n" +"kgdb_handle_breakpoint:\n" +";;\n" +";; Response to the break-instruction\n" +";;\n" +";; Create a register image of the caller\n" +";;\n" +" move $dccr,[reg+0x5E] ; Save the flags in DCCR before disable interrupts\n" +" di ; Disable interrupts\n" +" move.d $r0,[reg] ; Save R0\n" +" move.d $r1,[reg+0x04] ; Save R1\n" +" move.d $r2,[reg+0x08] ; Save R2\n" +" move.d $r3,[reg+0x0C] ; Save R3\n" +" move.d $r4,[reg+0x10] ; Save R4\n" +" move.d $r5,[reg+0x14] ; Save R5\n" +" move.d $r6,[reg+0x18] ; Save R6\n" +" move.d $r7,[reg+0x1C] ; Save R7\n" +" move.d $r8,[reg+0x20] ; Save R8\n" +" move.d $r9,[reg+0x24] ; Save R9\n" +" move.d $r10,[reg+0x28] ; Save R10\n" +" move.d $r11,[reg+0x2C] ; Save R11\n" +" move.d $r12,[reg+0x30] ; Save R12\n" +" move.d $r13,[reg+0x34] ; Save R13\n" +" move.d $sp,[reg+0x38] ; Save SP (R14)\n" +";; Due to the old assembler-versions BRP might not be recognized\n" +" .word 0xE670 ; move brp,$r0\n" +" subq 2,$r0 ; Set to address of previous instruction.\n" +" move.d $r0,[reg+0x3c] ; Save the address in PC (R15)\n" +" clear.b [reg+0x40] ; Clear P0\n" +" move $vr,[reg+0x41] ; Save special register P1\n" +" clear.w [reg+0x42] ; Clear P4\n" +" move $ccr,[reg+0x44] ; Save special register CCR\n" +" move $mof,[reg+0x46] ; P7\n" +" clear.d [reg+0x4A] ; Clear P8\n" +" move $ibr,[reg+0x4E] ; P9,\n" +" move $irp,[reg+0x52] ; P10,\n" +" move $srp,[reg+0x56] ; P11,\n" +" move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR\n" +" ; P13, register DCCR already saved\n" +";; Due to the old assembler-versions BRP might not be recognized\n" +" .word 0xE670 ; move brp,r0\n" +";; Static (compiled) breakpoints must return to the next instruction in order\n" +";; to avoid infinite loops. Dynamic (gdb-invoked) must restore the instruction\n" +";; in order to execute it when execution is continued.\n" +" test.b [is_dyn_brkp] ; Is this a dynamic breakpoint?\n" +" beq is_static ; No, a static breakpoint\n" +" nop\n" +" subq 2,$r0 ; rerun the instruction the break replaced\n" +"is_static:\n" +" moveq 1,$r1\n" +" move.b $r1,[is_dyn_brkp] ; Set the state variable to dynamic breakpoint\n" +" move.d $r0,[reg+0x62] ; Save the return address in BRP\n" +" move $usp,[reg+0x66] ; USP\n" +";;\n" +";; Handle the communication\n" +";;\n" +" move.d internal_stack+1020,$sp ; Use the internal stack which grows upward\n" +" moveq 5,$r10 ; SIGTRAP\n" +" jsr handle_exception ; Interactive routine\n" +";;\n" +";; Return to the caller\n" +";;\n" +" move.d [reg],$r0 ; Restore R0\n" +" move.d [reg+0x04],$r1 ; Restore R1\n" +" move.d [reg+0x08],$r2 ; Restore R2\n" +" move.d [reg+0x0C],$r3 ; Restore R3\n" +" move.d [reg+0x10],$r4 ; Restore R4\n" +" move.d [reg+0x14],$r5 ; Restore R5\n" +" move.d [reg+0x18],$r6 ; Restore R6\n" +" move.d [reg+0x1C],$r7 ; Restore R7\n" +" move.d [reg+0x20],$r8 ; Restore R8\n" +" move.d [reg+0x24],$r9 ; Restore R9\n" +" move.d [reg+0x28],$r10 ; Restore R10\n" +" move.d [reg+0x2C],$r11 ; Restore R11\n" +" move.d [reg+0x30],$r12 ; Restore R12\n" +" move.d [reg+0x34],$r13 ; Restore R13\n" +";;\n" +";; FIXME: Which registers should be restored?\n" +";;\n" +" move.d [reg+0x38],$sp ; Restore SP (R14)\n" +" move [reg+0x56],$srp ; Restore the subroutine return pointer.\n" +" move [reg+0x5E],$dccr ; Restore DCCR\n" +" move [reg+0x66],$usp ; Restore USP\n" +" jump [reg+0x62] ; A jump to the content in register BRP works.\n" +" nop ;\n" +"\n"); /* The hook for an interrupt generated by GDB. An internal stack is used by the stub. The register image of the caller is stored in the structure @@ -1367,94 +1367,94 @@ is_static: void kgdb_handle_serial(void); -asm (" - .global kgdb_handle_serial -kgdb_handle_serial: -;; -;; Response to a serial interrupt -;; - - move $dccr,[reg+0x5E] ; Save the flags in DCCR - di ; Disable interrupts - move.d $r0,[reg] ; Save R0 - move.d $r1,[reg+0x04] ; Save R1 - move.d $r2,[reg+0x08] ; Save R2 - move.d $r3,[reg+0x0C] ; Save R3 - move.d $r4,[reg+0x10] ; Save R4 - move.d $r5,[reg+0x14] ; Save R5 - move.d $r6,[reg+0x18] ; Save R6 - move.d $r7,[reg+0x1C] ; Save R7 - move.d $r8,[reg+0x20] ; Save R8 - move.d $r9,[reg+0x24] ; Save R9 - move.d $r10,[reg+0x28] ; Save R10 - move.d $r11,[reg+0x2C] ; Save R11 - move.d $r12,[reg+0x30] ; Save R12 - move.d $r13,[reg+0x34] ; Save R13 - move.d $sp,[reg+0x38] ; Save SP (R14) - move $irp,[reg+0x3c] ; Save the address in PC (R15) - clear.b [reg+0x40] ; Clear P0 - move $vr,[reg+0x41] ; Save special register P1, - clear.w [reg+0x42] ; Clear P4 - move $ccr,[reg+0x44] ; Save special register CCR - move $mof,[reg+0x46] ; P7 - clear.d [reg+0x4A] ; Clear P8 - move $ibr,[reg+0x4E] ; P9, - move $irp,[reg+0x52] ; P10, - move $srp,[reg+0x56] ; P11, - move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR - ; P13, register DCCR already saved -;; Due to the old assembler-versions BRP might not be recognized - .word 0xE670 ; move brp,r0 - move.d $r0,[reg+0x62] ; Save the return address in BRP - move $usp,[reg+0x66] ; USP - -;; get the serial character (from debugport.c) and check if it is a ctrl-c - - jsr getDebugChar - cmp.b 3, $r10 - bne goback - nop - - move.d [reg+0x5E], $r10 ; Get DCCR - btstq 8, $r10 ; Test the U-flag. - bmi goback - nop - -;; -;; Handle the communication -;; - move.d internal_stack+1020,$sp ; Use the internal stack - moveq 2,$r10 ; SIGINT - jsr handle_exception ; Interactive routine - -goback: -;; -;; Return to the caller -;; - move.d [reg],$r0 ; Restore R0 - move.d [reg+0x04],$r1 ; Restore R1 - move.d [reg+0x08],$r2 ; Restore R2 - move.d [reg+0x0C],$r3 ; Restore R3 - move.d [reg+0x10],$r4 ; Restore R4 - move.d [reg+0x14],$r5 ; Restore R5 - move.d [reg+0x18],$r6 ; Restore R6 - move.d [reg+0x1C],$r7 ; Restore R7 - move.d [reg+0x20],$r8 ; Restore R8 - move.d [reg+0x24],$r9 ; Restore R9 - move.d [reg+0x28],$r10 ; Restore R10 - move.d [reg+0x2C],$r11 ; Restore R11 - move.d [reg+0x30],$r12 ; Restore R12 - move.d [reg+0x34],$r13 ; Restore R13 -;; -;; FIXME: Which registers should be restored? -;; - move.d [reg+0x38],$sp ; Restore SP (R14) - move [reg+0x56],$srp ; Restore the subroutine return pointer. - move [reg+0x5E],$dccr ; Restore DCCR - move [reg+0x66],$usp ; Restore USP - reti ; Return from the interrupt routine - nop -"); +asm ("\n" +" .global kgdb_handle_serial\n" +"kgdb_handle_serial:\n" +";;\n" +";; Response to a serial interrupt\n" +";;\n" +"\n" +" move $dccr,[reg+0x5E] ; Save the flags in DCCR\n" +" di ; Disable interrupts\n" +" move.d $r0,[reg] ; Save R0\n" +" move.d $r1,[reg+0x04] ; Save R1\n" +" move.d $r2,[reg+0x08] ; Save R2\n" +" move.d $r3,[reg+0x0C] ; Save R3\n" +" move.d $r4,[reg+0x10] ; Save R4\n" +" move.d $r5,[reg+0x14] ; Save R5\n" +" move.d $r6,[reg+0x18] ; Save R6\n" +" move.d $r7,[reg+0x1C] ; Save R7\n" +" move.d $r8,[reg+0x20] ; Save R8\n" +" move.d $r9,[reg+0x24] ; Save R9\n" +" move.d $r10,[reg+0x28] ; Save R10\n" +" move.d $r11,[reg+0x2C] ; Save R11\n" +" move.d $r12,[reg+0x30] ; Save R12\n" +" move.d $r13,[reg+0x34] ; Save R13\n" +" move.d $sp,[reg+0x38] ; Save SP (R14)\n" +" move $irp,[reg+0x3c] ; Save the address in PC (R15)\n" +" clear.b [reg+0x40] ; Clear P0\n" +" move $vr,[reg+0x41] ; Save special register P1,\n" +" clear.w [reg+0x42] ; Clear P4\n" +" move $ccr,[reg+0x44] ; Save special register CCR\n" +" move $mof,[reg+0x46] ; P7\n" +" clear.d [reg+0x4A] ; Clear P8\n" +" move $ibr,[reg+0x4E] ; P9,\n" +" move $irp,[reg+0x52] ; P10,\n" +" move $srp,[reg+0x56] ; P11,\n" +" move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR\n" +" ; P13, register DCCR already saved\n" +";; Due to the old assembler-versions BRP might not be recognized\n" +" .word 0xE670 ; move brp,r0\n" +" move.d $r0,[reg+0x62] ; Save the return address in BRP\n" +" move $usp,[reg+0x66] ; USP\n" +"\n" +";; get the serial character (from debugport.c) and check if it is a ctrl-c\n" +"\n" +" jsr getDebugChar\n" +" cmp.b 3, $r10\n" +" bne goback\n" +" nop\n" +"\n" +" move.d [reg+0x5E], $r10 ; Get DCCR\n" +" btstq 8, $r10 ; Test the U-flag.\n" +" bmi goback\n" +" nop\n" +"\n" +";;\n" +";; Handle the communication\n" +";;\n" +" move.d internal_stack+1020,$sp ; Use the internal stack\n" +" moveq 2,$r10 ; SIGINT\n" +" jsr handle_exception ; Interactive routine\n" +"\n" +"goback:\n" +";;\n" +";; Return to the caller\n" +";;\n" +" move.d [reg],$r0 ; Restore R0\n" +" move.d [reg+0x04],$r1 ; Restore R1\n" +" move.d [reg+0x08],$r2 ; Restore R2\n" +" move.d [reg+0x0C],$r3 ; Restore R3\n" +" move.d [reg+0x10],$r4 ; Restore R4\n" +" move.d [reg+0x14],$r5 ; Restore R5\n" +" move.d [reg+0x18],$r6 ; Restore R6\n" +" move.d [reg+0x1C],$r7 ; Restore R7\n" +" move.d [reg+0x20],$r8 ; Restore R8\n" +" move.d [reg+0x24],$r9 ; Restore R9\n" +" move.d [reg+0x28],$r10 ; Restore R10\n" +" move.d [reg+0x2C],$r11 ; Restore R11\n" +" move.d [reg+0x30],$r12 ; Restore R12\n" +" move.d [reg+0x34],$r13 ; Restore R13\n" +";;\n" +";; FIXME: Which registers should be restored?\n" +";;\n" +" move.d [reg+0x38],$sp ; Restore SP (R14)\n" +" move [reg+0x56],$srp ; Restore the subroutine return pointer.\n" +" move [reg+0x5E],$dccr ; Restore DCCR\n" +" move [reg+0x66],$usp ; Restore USP\n" +" reti ; Return from the interrupt routine\n" +" nop\n" +"\n"); /* Use this static breakpoint in the start-up only. */ |
