From c9d42388d53aee083e6cb477b1017c49a9ea8bd9 Mon Sep 17 00:00:00 2001 From: Michael Pavone Date: Sat, 20 Feb 2021 14:52:32 -0800 Subject: Make KDEBUG functionality play nice with gdb remote debugging --- vdp.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'vdp.c') diff --git a/vdp.c b/vdp.c index 18b2eae..5a90e8b 100644 --- a/vdp.c +++ b/vdp.c @@ -3809,14 +3809,24 @@ int vdp_control_port_write(vdp_context * context, uint16_t value) context->kmod_msg_buffer[context->kmod_buffer_length - 1] = c; } else if (context->kmod_buffer_length) { context->kmod_msg_buffer[context->kmod_buffer_length] = 0; - init_terminal(); - printf("KDEBUG MESSAGE: %s\n", context->kmod_msg_buffer); + if (is_stdout_enabled()) { + init_terminal(); + printf("KDEBUG MESSAGE: %s\n", context->kmod_msg_buffer); + } else { + // GDB remote debugging is enabled, use stderr instead + fprintf(stderr, "KDEBUG MESSAGE: %s\n", context->kmod_msg_buffer); + } context->kmod_buffer_length = 0; } } else if (reg == REG_KMOD_TIMER) { if (!(value & 0x80)) { - init_terminal(); - printf("KDEBUG TIMER: %d\n", (context->cycles - context->timer_start_cycle) / 7); + if (is_stdout_enabled()) { + init_terminal(); + printf("KDEBUG TIMER: %d\n", (context->cycles - context->timer_start_cycle) / 7); + } else { + // GDB remote debugging is enabled, use stderr instead + fprintf(stderr, "KDEBUG TIMER: %d\n", (context->cycles - context->timer_start_cycle) / 7); + } } if (value & 0xC0) { context->timer_start_cycle = context->cycles; -- cgit v1.2.3