From 96ff2d7081cfc50e5493e9a5ac7c58bfa2ea41d3 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Wed, 20 Jan 2016 23:27:30 +0900 Subject: h8300: Add KGDB support. Signed-off-by: Yoshinori Sato --- arch/h8300/kernel/entry.S | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/h8300/kernel/entry.S') 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 -- cgit