diff options
Diffstat (limited to 'sim/testsuite/d30v-elf/os-dbt.S')
| -rw-r--r-- | sim/testsuite/d30v-elf/os-dbt.S | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/sim/testsuite/d30v-elf/os-dbt.S b/sim/testsuite/d30v-elf/os-dbt.S deleted file mode 100644 index 3468867..0000000 --- a/sim/testsuite/d30v-elf/os-dbt.S +++ /dev/null @@ -1,38 +0,0 @@ - .globl _start - # - # NOTE: Registers r10-r11 are reserved for the interrupt handler - # while the others can be used by the main loop/start code. - -_start: - # patch the DBT handler - add r1, r0, handler - ldw r2, @(r1, 0) - ldw r3, @(r1, 4) - # DBT vector address - add r1, r0, 0xfffff120 - stw r2, @(r1, 0) - stw r3, @(r1, 4) - - # try out the breakpoint/return - add r2, r0, 47 - #dbt - nop - .long 0x00b00000 - nop - - # exit with what ever the breakpoint hander set r2 to. - nop - .long 0x0e000004 - nop - -handler: - jmp real_handler - - # The Breakpoint handler sets r2 to 0 if PSW was set correctly. -real_handler: - mvfsys r2, cr0 - sub r2, r0, 0x08000000 - #rtd - nop - .long 0x00a00000 - nop |