From: Andrew Murray amurray@mpcdata.com
This patch adds macros which allow for the instrumentation of UBoot boot time. The macros can be used to call existing initialisation functions during start up. Each macro adds printf statements before and after the initialisation call.
Signed-off-by: Andrew Murray amurray@theiet.org --- include/common.h | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/include/common.h b/include/common.h index 1e21b7a..aa21b10 100644 --- a/include/common.h +++ b/include/common.h @@ -176,6 +176,29 @@ typedef void (interrupt_handler_t)(void *);
#endif /* CONFIG_SERIAL_MULTI */
+#if defined(CONFIG_BOOT_TRACE) +#define DO_INITCALL(x, ...) \ + do { \ + printf("calling 0x%pF\n", x); \ + (x)(__VA_ARGS__); \ + printf("initcall 0x%pF returned\n", x); \ + } while (0) +#define DO_INITCALL_RET(x, ret, ...) \ + do { \ + printf("calling 0x%pF\n", x); \ + ret = (x)(__VA_ARGS__); \ + printf("initcall 0x%pF returned\n", x); \ + } while (0) +#define DO_INITCALL_END(x) \ + printf("initcall 0x%pF returned\n", x) +#else +#define DO_INITCALL(x, ...) \ + (x)(__VA_ARGS__) +#define DO_INITCALL_RET(x, ret, ...) \ + ret = (x)(__VA_ARGS__) +#define DO_INITCALL_END(x) +#endif + /* * General Purpose Utilities */