diff options
| author | Yoshinori Sato <ysato@users.sourceforge.jp> | 2016-01-20 15:27:30 +0100 |
|---|---|---|
| committer | Yoshinori Sato <ysato@users.sourceforge.jp> | 2016-01-20 15:27:30 +0100 |
| commit | 96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3 (patch) | |
| tree | bbe1d1d66bbc7f52d26d25afa78c98a4c42f1f8f /arch/h8300/kernel/entry.S | |
| parent | irqchip: renesas-h8s: Replace ctrl_outw/ctrl_inw with writew/readw (diff) | |
| download | linux-96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3.tar.xz linux-96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3.zip | |
h8300: Add KGDB support.
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Diffstat (limited to 'arch/h8300/kernel/entry.S')
| -rw-r--r-- | arch/h8300/kernel/entry.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/h8300/kernel/entry.S b/arch/h8300/kernel/entry.S index 797dfa8ddeb2..2f045b674877 100644 --- a/arch/h8300/kernel/entry.S +++ b/arch/h8300/kernel/entry.S @@ -188,7 +188,11 @@ _interrupt_redirect_table: jsr @_interrupt_entry /* NMI */ jmp @_system_call /* TRAPA #0 (System call) */ .long 0 +#if defined(CONFIG_KGDB) + jmp @_kgdb_trap +#else .long 0 +#endif jmp @_trace_break /* TRAPA #3 (breakpoint) */ .rept INTERRUPTS-12 jsr @_interrupt_entry @@ -405,6 +409,20 @@ _nmi: mov.l @sp+, er0 jmp @_interrupt_entry +#if defined(CONFIG_KGDB) +_kgdb_trap: + subs #4,sp + SAVE_ALL + mov.l sp,er0 + add.l #LRET,er0 + mov.l er0,@(LSP,sp) + jsr @set_esp0 + mov.l sp,er0 + subs #4,er0 + jsr @h8300_kgdb_trap + jmp @ret_from_exception +#endif + .section .bss _sw_ksp: .space 4 |