[U-Boot] [PATCH v3] autostart: unify duplicated logic into the bootm code
Mike Frysinger
vapier at gentoo.org
Mon Jun 6 01:43:02 CEST 2011
Rather than having a bunch of random commands handle autostart behavior,
unify the logic in a single place. This also fixes building of these
different commands when bootm is disabled.
Acked-by: Matthew McClintock <msm at freescale.com>
Acked-by: Scott Wood <scottwood at freescale.com>
Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
v3
- fix unused warnings arising from variables no longer being used
common/cmd_bootm.c | 15 +++++++++++++++
common/cmd_fdc.c | 16 +---------------
common/cmd_fdos.c | 11 +----------
common/cmd_ide.c | 15 +--------------
common/cmd_nand.c | 16 ++--------------
common/cmd_net.c | 13 ++-----------
common/cmd_scsi.c | 11 +----------
common/cmd_usb.c | 13 ++-----------
include/command.h | 8 ++++++++
9 files changed, 33 insertions(+), 85 deletions(-)
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 18019d6..8982c92 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -707,6 +707,21 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 1;
}
+int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
+{
+ const char *ep = getenv("autostart");
+
+ if (ep && !strcmp(ep, "yes")) {
+ char *local_args[2];
+ local_args[0] = (char *)cmd;
+ local_args[1] = NULL;
+ printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
+ return do_bootm(cmdtp, 0, 1, local_args);
+ }
+
+ return 0;
+}
+
/**
* image_get_kernel - verify legacy format kernel image
* @img_addr: in RAM address of the legacy format image to be verified
diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c
index cdb050c..40d12f6 100644
--- a/common/cmd_fdc.c
+++ b/common/cmd_fdc.c
@@ -721,8 +721,6 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
image_header_t *hdr; /* used for fdc boot */
unsigned char boot_drive;
int i,nrofblk;
- char *ep;
- int rcode = 0;
#if defined(CONFIG_FIT)
const void *fit_hdr = NULL;
#endif
@@ -823,19 +821,7 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
/* Loading ok, update default load address */
load_addr = addr;
- /* Check if we should attempt an auto-start */
- if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
- char *local_args[2];
-
- local_args[0] = argv[0];
- local_args[1] = NULL;
-
- printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
-
- do_bootm (cmdtp, 0, 1, local_args);
- rcode ++;
- }
- return rcode;
+ return bootm_maybe_autostart(cmdtp, argv[0]);
}
U_BOOT_CMD(
diff --git a/common/cmd_fdos.c b/common/cmd_fdos.c
index 2af4ca0..d714af8 100644
--- a/common/cmd_fdos.c
+++ b/common/cmd_fdos.c
@@ -40,7 +40,6 @@ int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
char *name;
char *ep;
int size;
- int rcode = 0;
char buf [12];
int drive = CONFIG_SYS_FDC_DRIVE_NUMBER;
@@ -98,15 +97,7 @@ int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
printf("Floppy DOS load complete: %d bytes loaded to 0x%lx\n",
size, load_addr);
- /* Check if we should attempt an auto-start */
- if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
- char *local_args[2];
- local_args[0] = argv[0];
- local_args[1] = NULL;
- printf ("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
- rcode = do_bootm (cmdtp, 0, 1, local_args);
- }
- return rcode;
+ return bootm_maybe_autostart(cmdtp, argv[0]);
}
/*-----------------------------------------------------------------------------
diff --git a/common/cmd_ide.c b/common/cmd_ide.c
index a1f7e57..07890e7 100644
--- a/common/cmd_ide.c
+++ b/common/cmd_ide.c
@@ -356,7 +356,6 @@ int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
ulong addr, cnt;
disk_partition_t info;
image_header_t *hdr;
- int rcode = 0;
#if defined(CONFIG_FIT)
const void *fit_hdr = NULL;
#endif
@@ -495,19 +494,7 @@ int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
load_addr = addr;
- /* Check if we should attempt an auto-start */
- if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
- char *local_args[2];
-
- local_args[0] = argv[0];
- local_args[1] = NULL;
-
- printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
-
- do_bootm (cmdtp, 0, 1, local_args);
- rcode = 1;
- }
- return rcode;
+ return bootm_maybe_autostart(cmdtp, argv[0]);
}
/* ------------------------------------------------------------------------- */
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 7bd37de..53fe17b 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -724,7 +724,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
ulong offset, ulong addr, char *cmd)
{
int r;
- char *ep, *s;
+ char *s;
size_t cnt;
image_header_t *hdr;
#if defined(CONFIG_FIT)
@@ -799,19 +799,7 @@ static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
load_addr = addr;
- /* Check if we should attempt an auto-start */
- if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
- char *local_args[2];
-
- local_args[0] = cmd;
- local_args[1] = NULL;
-
- printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
-
- do_bootm(cmdtp, 0, 1, local_args);
- return 1;
- }
- return 0;
+ return bootm_maybe_autostart(cmdtp, cmd);
}
int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
diff --git a/common/cmd_net.c b/common/cmd_net.c
index 8c6f5c8..064de49 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -210,17 +210,8 @@ netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char * const argv[])
/* flush cache */
flush_cache(load_addr, size);
- /* Loading ok, check if we should attempt an auto-start */
- if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
- char *local_args[2];
- local_args[0] = argv[0];
- local_args[1] = NULL;
-
- printf ("Automatic boot of image at addr 0x%08lX ...\n",
- load_addr);
- show_boot_progress (82);
- rcode = do_bootm (cmdtp, 0, 1, local_args);
- }
+ show_boot_progress(82);
+ rcode = bootm_maybe_autostart(cmdtp, argv[0]);
if (rcode < 0)
show_boot_progress (-83);
diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
index be4fe74..8019ada 100644
--- a/common/cmd_scsi.c
+++ b/common/cmd_scsi.c
@@ -210,7 +210,6 @@ int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
ulong addr, cnt;
disk_partition_t info;
image_header_t *hdr;
- int rcode = 0;
#if defined(CONFIG_FIT)
const void *fit_hdr = NULL;
#endif
@@ -326,15 +325,7 @@ int do_scsiboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
flush_cache (addr, (cnt+1)*info.blksz);
- /* Check if we should attempt an auto-start */
- if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
- char *local_args[2];
- local_args[0] = argv[0];
- local_args[1] = NULL;
- printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
- rcode = do_bootm (cmdtp, 0, 1, local_args);
- }
- return rcode;
+ return bootm_maybe_autostart(cmdtp, argv[0]);
}
/*********************************************************************************
diff --git a/common/cmd_usb.c b/common/cmd_usb.c
index b5731a7..968bdf3 100644
--- a/common/cmd_usb.c
+++ b/common/cmd_usb.c
@@ -356,7 +356,7 @@ int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *boot_device = NULL;
char *ep;
- int dev, part = 1, rcode;
+ int dev, part = 1;
ulong addr, cnt;
disk_partition_t info;
image_header_t *hdr;
@@ -490,16 +490,7 @@ int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
flush_cache(addr, (cnt+1)*info.blksz);
- /* Check if we should attempt an auto-start */
- if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
- char *local_args[2];
- local_args[0] = argv[0];
- local_args[1] = NULL;
- printf("Automatic boot of image at addr 0x%08lX ...\n", addr);
- rcode = do_bootm(cmdtp, 0, 1, local_args);
- return rcode;
- }
- return 0;
+ return bootm_maybe_autostart(cmdtp, argv[0]);
}
#endif /* CONFIG_USB_STORAGE */
diff --git a/include/command.h b/include/command.h
index cab9651..f1accd0 100644
--- a/include/command.h
+++ b/include/command.h
@@ -98,7 +98,15 @@ extern int cmd_get_data_size(char* arg, int default_size);
#ifdef CONFIG_CMD_BOOTD
extern int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif
+#ifdef CONFIG_CMD_BOOTM
extern int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+extern int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd);
+#else
+static inline int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
+{
+ return 0;
+}
+#endif
extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif /* __ASSEMBLY__ */
--
1.7.5.3
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