From: Robin Getz robin.getz@analog.com
The default kgdb functions can be implemented with common U-Boot functions, so rather than force everyone to copy & paste these things, create a set of weak stubs.
Signed-off-by: Robin Getz robin.getz@analog.com Signed-off-by: Mike Frysinger vapier@gentoo.org --- common/Makefile | 2 +- common/kgdb_stubs.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 65 insertions(+), 1 deletions(-) create mode 100644 common/kgdb_stubs.c
diff --git a/common/Makefile b/common/Makefile index 44fe687..d054cbe 100644 --- a/common/Makefile +++ b/common/Makefile @@ -149,7 +149,7 @@ COBJS-$(CONFIG_DDR_SPD) += ddr_spd.o COBJS-$(CONFIG_HWCONFIG) += hwconfig.o COBJS-$(CONFIG_CONSOLE_MUX) += iomux.o COBJS-y += flash.o -COBJS-$(CONFIG_CMD_KGDB) += kgdb.o +COBJS-$(CONFIG_CMD_KGDB) += kgdb.o kgdb_stubs.o COBJS-$(CONFIG_KALLSYMS) += kallsyms.o COBJS-$(CONFIG_LCD) += lcd.o COBJS-$(CONFIG_LYNXKDI) += lynxkdi.o diff --git a/common/kgdb_stubs.c b/common/kgdb_stubs.c new file mode 100644 index 0000000..19b0c18 --- /dev/null +++ b/common/kgdb_stubs.c @@ -0,0 +1,64 @@ +/* + * U-boot - stub functions for common kgdb code, + * can be overridden in board specific files + * + * Copyright 2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <kgdb.h> + +int (*debugger_exception_handler)(struct pt_regs *); + +__attribute__((weak)) +void kgdb_serial_init(void) +{ + puts("[on serial] "); +} + +__attribute__((weak)) +void putDebugChar(int c) +{ + serial_putc(c); +} + +__attribute__((weak)) +void putDebugStr(const char *str) +{ +#ifdef DEBUG + serial_puts(str); +#endif +} + +__attribute__((weak)) +int getDebugChar(void) +{ + return serial_getc(); +} + +__attribute__((weak)) +void kgdb_interruptible(int yes) +{ + return; +} + +__attribute__((weak)) +void kgdb_flush_cache_range(void *from, void *to) +{ + flush_cache((unsigned long)from, (unsigned long)(to - from)); +} + +__attribute__((weak)) +void kgdb_flush_cache_all(void) +{ + if (dcache_status()) { + dcache_disable(); + dcache_enable(); + } + if (icache_status()) { + icache_disable(); + icache_enable(); + } +}