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authorRobin Getz <robin.getz@analog.com>2009-12-21 18:40:42 -0500
committerWolfgang Denk <wd@denx.de>2010-01-18 00:23:00 +0100
commit0c909551f88c0d92a919ff70127df7b33cdd473d (patch)
treec919c756fe9217addfeb12a0d95ab358cd7e20c6 /common
parentfa2744de6584c92750f807a006e20a59ee046e76 (diff)
kgdb: add default generic stubs
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>
Diffstat (limited to 'common')
-rw-r--r--common/Makefile2
-rw-r--r--common/kgdb_stubs.c64
2 files changed, 65 insertions, 1 deletions
diff --git a/common/Makefile b/common/Makefile
index 778418086c..13b3298793 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -157,7 +157,7 @@ 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 0000000000..19b0c1824d
--- /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();
+ }
+}