From: Dmitry Shmidt Date: Tue, 16 Nov 2010 23:40:13 +0000 (-0800) Subject: ARM: fiq_debugger: Add help command X-Git-Tag: firefly_0821_release~7613^2~695 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5eed1dbca45b0113b4a33a99c18fce86995ba55a;p=firefly-linux-kernel-4.4.55.git ARM: fiq_debugger: Add help command Signed-off-by: Dmitry Shmidt --- diff --git a/arch/arm/common/fiq_debugger.c b/arch/arm/common/fiq_debugger.c index a97c9b2c197a..f172c15f1d3e 100644 --- a/arch/arm/common/fiq_debugger.c +++ b/arch/arm/common/fiq_debugger.c @@ -447,10 +447,35 @@ void dump_stacktrace(struct fiq_debugger_state *state, tail = user_backtrace(state, tail); } +static void debug_help(struct fiq_debugger_state *state) +{ + debug_printf(state, "FIQ Debugger commands:\n" + " pc PC status\n" + " regs Register dump\n" + " allregs Extended Register dump\n" + " bt Stack trace\n" + " reboot Reboot\n" + " irqs Interupt status\n" + " kmsg Kernel log\n" + " version Kernel version\n"); + debug_printf(state, " sleep Allow sleep while in FIQ\n" + " nosleep Disable sleep while in FIQ\n" + " console Switch terminal to console\n" + " cpu Current CPU\n" + " cpu Switch to CPU\n"); + if (!state->debug_busy) { + strcpy(state->debug_cmd, "help"); + state->debug_busy = 1; + debug_force_irq(state); + } +} + static void debug_exec(struct fiq_debugger_state *state, const char *cmd, unsigned *regs, void *svc_sp) { - if (!strcmp(cmd, "pc")) { + if (!strcmp(cmd, "help") || !strcmp(cmd, "?")) { + debug_help(state); + } else if (!strcmp(cmd, "pc")) { debug_printf(state, " pc %08x cpsr %08x mode %s\n", regs[15], regs[16], mode_name(regs[16])); } else if (!strcmp(cmd, "regs")) {