[U-Boot] [PATCH v2 22/31] sandbox: Add -j option to indicate a jump from a previous U-Boot
Simon Glass
sjg at chromium.org
Thu Feb 27 21:26:16 CET 2014
In order to support the 'go' command we allow the jumping U-Boot to pass its
filename to the new U-Boot image. This can then be used to delete that image
if required.
Reviewed-by: Simon Glass <sjg at chromium.org>
Tested-by: Che-Liang Chiou <clchiou at chromium.org>
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v2: None
arch/sandbox/cpu/start.c | 16 ++++++++++++++++
arch/sandbox/include/asm/state.h | 3 ++-
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 1df21d4..2d19fe7 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -107,6 +107,22 @@ static int sandbox_cmdline_cb_interactive(struct sandbox_state *state,
SANDBOX_CMDLINE_OPT_SHORT(interactive, 'i', 0, "Enter interactive mode");
+static int sandbox_cmdline_cb_jump(struct sandbox_state *state,
+ const char *arg)
+{
+ state->jumped = 1;
+
+ /*
+ * TODO(sjg at chromium.org): Note this causes problems for gdb which
+ * wants to read debug data from the image.
+ *
+ * os_unlink(arg);
+ */
+
+ return 0;
+}
+SANDBOX_CMDLINE_OPT_SHORT(jump, 'j', 1, "Jumped from previous U-Boot");
+
static int sandbox_cmdline_cb_memory(struct sandbox_state *state,
const char *arg)
{
diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h
index e8e4fea..304104e 100644
--- a/arch/sandbox/include/asm/state.h
+++ b/arch/sandbox/include/asm/state.h
@@ -30,7 +30,8 @@ struct sandbox_state {
enum exit_type_id exit_type; /* How we exited U-Boot */
const char *parse_err; /* Error to report from parsing */
int argc; /* Program arguments */
- char **argv;
+ char **argv; /* Command line arguments */
+ bool jumped; /* Jumped from previous U_Boot */
uint8_t *ram_buf; /* Emulated RAM buffer */
unsigned int ram_size; /* Size of RAM buffer */
const char *ram_buf_fname; /* Filename to use for RAM buffer */
--
1.9.0.279.gdc9e3eb
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