* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/io.h>
#include <linux/compiler.h>
+#if defined(CONFIG_BOOTM_VXWORKS) && \
+ (defined(CONFIG_PPC) || defined(CONFIG_ARM))
+#include <vxworks.h>
+#endif
+
#if defined(CONFIG_CMD_USB)
#include <usb.h>
#endif
static void fixup_silent_linux(void);
#endif
+static int do_bootm_standalone(int flag, int argc, char * const argv[],
+ bootm_headers_t *images);
+
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images,
ulong *os_data, ulong *os_len);
* - verified image architecture (PPC) and type (KERNEL or MULTI),
* - loaded (first part of) image to header load address,
* - disabled interrupts.
+ *
+ * @flag: Flags indicating what to do (BOOTM_STATE_...)
+ * @argc: Number of arguments. Note that the arguments are shifted down
+ * so that 0 is the first argument not processed by U-Boot, and
+ * argc is adjusted accordingly. This avoids confusion as to how
+ * many arguments are available for the OS.
+ * @images: Pointers to os/initrd/fdt
+ * @return 1 on error. On success the OS boots so this function does
+ * not return.
*/
typedef int boot_os_fn(int flag, int argc, char * const argv[],
- bootm_headers_t *images); /* pointers to os/initrd/fdt */
+ bootm_headers_t *images);
#ifdef CONFIG_BOOTM_LINUX
extern boot_os_fn do_bootm_linux;
#if defined(CONFIG_BOOTM_PLAN9)
static boot_os_fn do_bootm_plan9;
#endif
-#if defined(CONFIG_CMD_ELF)
+#if defined(CONFIG_BOOTM_VXWORKS) && \
+ (defined(CONFIG_PPC) || defined(CONFIG_ARM))
static boot_os_fn do_bootm_vxworks;
+#endif
+#if defined(CONFIG_CMD_ELF)
static boot_os_fn do_bootm_qnxelf;
int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif
static boot_os_fn *boot_os[] = {
+ [IH_OS_U_BOOT] = do_bootm_standalone,
#ifdef CONFIG_BOOTM_LINUX
[IH_OS_LINUX] = do_bootm_linux,
#endif
#if defined(CONFIG_BOOTM_PLAN9)
[IH_OS_PLAN9] = do_bootm_plan9,
#endif
-#if defined(CONFIG_CMD_ELF)
+#if defined(CONFIG_BOOTM_VXWORKS) && \
+ (defined(CONFIG_PPC) || defined(CONFIG_ARM))
[IH_OS_VXWORKS] = do_bootm_vxworks,
+#endif
+#if defined(CONFIG_CMD_ELF)
[IH_OS_QNX] = do_bootm_qnxelf,
#endif
#ifdef CONFIG_INTEGRITY
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- const void *os_hdr;
- int ret;
-
memset((void *)&images, 0, sizeof(images));
images.verify = getenv_yesno("verify");
boot_start_lmb(&images);
bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
+ images.state = BOOTM_STATE_START;
+
+ return 0;
+}
+
+static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ const void *os_hdr;
+ bool ep_found = false;
/* get kernel image header, start address and length */
os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
return 1;
}
break;
+#endif
+#ifdef CONFIG_ANDROID_BOOT_IMAGE
+ case IMAGE_FORMAT_ANDROID:
+ images.os.type = IH_TYPE_KERNEL;
+ images.os.comp = IH_COMP_NONE;
+ images.os.os = IH_OS_LINUX;
+ images.ep = images.os.load;
+ ep_found = true;
+
+ images.os.end = android_image_get_end(os_hdr);
+ images.os.load = android_image_get_kload(os_hdr);
+ break;
#endif
default:
puts("ERROR: unknown image format type!\n");
images.ep = image_get_ep(&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
} else if (images.fit_uname_os) {
+ int ret;
+
ret = fit_image_get_entry(images.fit_hdr_os,
images.fit_noffset_os, &images.ep);
if (ret) {
return 1;
}
#endif
- } else {
+ } else if (!ep_found) {
puts("Could not find kernel entry point!\n");
return 1;
}
images.ep += images.os.load;
}
+ images.os.start = (ulong)os_hdr;
+
+ return 0;
+}
+
+static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
+{
+ int ret;
+
+ /* find ramdisk */
+ ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
+ &images.rd_start, &images.rd_end);
+ if (ret) {
+ puts("Ramdisk image is corrupt or invalid\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT)
+static int bootm_find_fdt(int flag, int argc, char * const argv[])
+{
+ int ret;
+
+ /* find flattened device tree */
+ ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
+ &images.ft_addr, &images.ft_len);
+ if (ret) {
+ puts("Could not find a valid device tree\n");
+ return 1;
+ }
+
+ set_working_fdt_addr(images.ft_addr);
+
+ return 0;
+}
+#endif
+
+static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
if (((images.os.type == IH_TYPE_KERNEL) ||
(images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
(images.os.type == IH_TYPE_MULTI)) &&
- (images.os.os == IH_OS_LINUX)) {
- /* find ramdisk */
- ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
- &images.rd_start, &images.rd_end);
- if (ret) {
- puts("Ramdisk image is corrupt or invalid\n");
+ (images.os.os == IH_OS_LINUX ||
+ images.os.os == IH_OS_VXWORKS)) {
+ if (bootm_find_ramdisk(flag, argc, argv))
return 1;
- }
#if defined(CONFIG_OF_LIBFDT)
- /* find flattened device tree */
- ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
- &images.ft_addr, &images.ft_len);
- if (ret) {
- puts("Could not find a valid device tree\n");
+ if (bootm_find_fdt(flag, argc, argv))
return 1;
- }
-
- set_working_fdt_addr(images.ft_addr);
#endif
}
- images.os.start = (ulong)os_hdr;
- images.state = BOOTM_STATE_START;
-
return 0;
}
#define BOOTM_ERR_RESET -1
#define BOOTM_ERR_OVERLAP -2
#define BOOTM_ERR_UNIMPLEMENTED -3
-static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
+static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
+ int boot_progress)
{
+ image_info_t os = images->os;
uint8_t comp = os.comp;
ulong load = os.load;
ulong blob_start = os.start;
const char *type_name = genimg_get_type_name(os.type);
- load_buf = map_sysmem(load, image_len);
+ load_buf = map_sysmem(load, unc_len);
image_buf = map_sysmem(image_start, image_len);
switch (comp) {
case IH_COMP_NONE:
- if (load == blob_start || load == image_start) {
+ if (load == image_start) {
printf(" XIP %s ... ", type_name);
no_overlap = 1;
} else {
memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
}
*load_end = load + image_len;
- puts("OK\n");
break;
#ifdef CONFIG_GZIP
case IH_COMP_GZIP:
}
#endif /* CONFIG_LZMA */
#ifdef CONFIG_LZO
- case IH_COMP_LZO:
+ case IH_COMP_LZO: {
+ size_t size = unc_len;
+
printf(" Uncompressing %s ... ", type_name);
- ret = lzop_decompress(image_buf, image_len, load_buf,
- &unc_len);
+ ret = lzop_decompress(image_buf, image_len, load_buf, &size);
if (ret != LZO_E_OK) {
printf("LZO: uncompress or overwrite error %d "
"- must RESET board to recover\n", ret);
return BOOTM_ERR_RESET;
}
- *load_end = load + unc_len;
+ *load_end = load + size;
break;
+ }
#endif /* CONFIG_LZO */
default:
printf("Unimplemented compression type %d\n", comp);
debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
*load_end);
- return BOOTM_ERR_OVERLAP;
+ /* Check what type of image this is. */
+ if (images->legacy_hdr_valid) {
+ if (image_get_type(&images->legacy_hdr_os_copy)
+ == IH_TYPE_MULTI)
+ puts("WARNING: legacy format multi component image overwritten\n");
+ return BOOTM_ERR_OVERLAP;
+ } else {
+ puts("ERROR: new format image overwritten - must RESET the board to recover\n");
+ bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
+ return BOOTM_ERR_RESET;
+ }
}
return 0;
}
-static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
+static int do_bootm_standalone(int flag, int argc, char * const argv[],
+ bootm_headers_t *images)
{
char *s;
int (*appl)(int, char * const []);
/* Don't start if "autostart" is set to "no" */
if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
- setenv_hex("filesize", images.os.image_len);
+ setenv_hex("filesize", images->os.image_len);
return 0;
}
- appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
- (*appl)(argc-1, &argv[1]);
+ appl = (int (*)(int, char * const []))images->ep;
+ appl(argc, argv);
return 0;
}
U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
+ U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
};
+static int boot_selected_os(int argc, char * const argv[], int state,
+ bootm_headers_t *images, boot_os_fn *boot_fn)
+{
+ arch_preboot_os();
+ boot_fn(state, argc, argv, images);
+
+ /* Stand-alone may return when 'autostart' is 'no' */
+ if (images->os.type == IH_TYPE_STANDALONE ||
+ state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
+ return 0;
+ bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
+#ifdef DEBUG
+ puts("\n## Control returned to monitor - resetting...\n");
+#endif
+ return BOOTM_ERR_RESET;
+}
+
+/**
+ * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
+ *
+ * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
+ * enabled)
+ */
+static ulong bootm_disable_interrupts(void)
+{
+ ulong iflag;
+
+ /*
+ * We have reached the point of no return: we are going to
+ * overwrite all exception vector code, so we cannot easily
+ * recover from any failures any more...
+ */
+ iflag = disable_interrupts();
+#ifdef CONFIG_NETCONSOLE
+ /* Stop the ethernet stack if NetConsole could have left it up */
+ eth_halt();
+ eth_unregister(eth_get_dev());
+#endif
+
+#if defined(CONFIG_CMD_USB)
+ /*
+ * turn off USB to prevent the host controller from writing to the
+ * SDRAM while Linux is booting. This could happen (at least for OHCI
+ * controller), because the HCCA (Host Controller Communication Area)
+ * lies within the SDRAM and the host controller writes continously to
+ * this area (as busmaster!). The HccaFrameNumber is for example
+ * updated every 1 ms within the HCCA structure in SDRAM! For more
+ * details see the OpenHCI specification.
+ */
+ usb_stop();
+#endif
+ return iflag;
+}
+
+/**
+ * Execute selected states of the bootm command.
+ *
+ * Note the arguments to this state must be the first argument, Any 'bootm'
+ * or sub-command arguments must have already been taken.
+ *
+ * Note that if states contains more than one flag it MUST contain
+ * BOOTM_STATE_START, since this handles and consumes the command line args.
+ *
+ * Also note that aside from boot_os_fn functions and bootm_load_os no other
+ * functions we store the return value of in 'ret' may use a negative return
+ * value, without special handling.
+ *
+ * @param cmdtp Pointer to bootm command table entry
+ * @param flag Command flags (CMD_FLAG_...)
+ * @param argc Number of subcommand arguments (0 = no arguments)
+ * @param argv Arguments
+ * @param states Mask containing states to run (BOOTM_STATE_...)
+ * @param images Image header information
+ * @param boot_progress 1 to show boot progress, 0 to not do this
+ * @return 0 if ok, something else on error. Some errors will cause this
+ * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
+ * then the intent is to boot an OS, so this function will not return
+ * unless the image type is standalone.
+ */
+static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[], int states, bootm_headers_t *images,
+ int boot_progress)
+{
+ boot_os_fn *boot_fn;
+ ulong iflag = 0;
+ int ret = 0, need_boot_fn;
+
+ images->state |= states;
+
+ /*
+ * Work through the states and see how far we get. We stop on
+ * any error.
+ */
+ if (states & BOOTM_STATE_START)
+ ret = bootm_start(cmdtp, flag, argc, argv);
+
+ if (!ret && (states & BOOTM_STATE_FINDOS))
+ ret = bootm_find_os(cmdtp, flag, argc, argv);
+
+ if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
+ ret = bootm_find_other(cmdtp, flag, argc, argv);
+ argc = 0; /* consume the args */
+ }
+
+ /* Load the OS */
+ if (!ret && (states & BOOTM_STATE_LOADOS)) {
+ ulong load_end;
+
+ iflag = bootm_disable_interrupts();
+ ret = bootm_load_os(images, &load_end, 0);
+ if (ret == 0)
+ lmb_reserve(&images->lmb, images->os.load,
+ (load_end - images->os.load));
+ else if (ret && ret != BOOTM_ERR_OVERLAP)
+ goto err;
+ else if (ret == BOOTM_ERR_OVERLAP)
+ ret = 0;
+#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
+ if (images->os.os == IH_OS_LINUX)
+ fixup_silent_linux();
+#endif
+ }
+
+ /* Relocate the ramdisk */
+#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
+ if (!ret && (states & BOOTM_STATE_RAMDISK)) {
+ ulong rd_len = images->rd_end - images->rd_start;
+
+ ret = boot_ramdisk_high(&images->lmb, images->rd_start,
+ rd_len, &images->initrd_start, &images->initrd_end);
+ if (!ret) {
+ setenv_hex("initrd_start", images->initrd_start);
+ setenv_hex("initrd_end", images->initrd_end);
+ }
+ }
+#endif
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
+ if (!ret && (states & BOOTM_STATE_FDT)) {
+ boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
+ ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
+ &images->ft_len);
+ }
+#endif
+
+ /* From now on, we need the OS boot function */
+ if (ret)
+ return ret;
+ boot_fn = boot_os[images->os.os];
+ need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
+ BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
+ BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
+ if (boot_fn == NULL && need_boot_fn) {
+ if (iflag)
+ enable_interrupts();
+ printf("ERROR: booting os '%s' (%d) is not supported\n",
+ genimg_get_os_name(images->os.os), images->os.os);
+ bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
+ return 1;
+ }
+
+ /* Call various other states that are not generally used */
+ if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
+ ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
+ if (!ret && (states & BOOTM_STATE_OS_BD_T))
+ ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
+ if (!ret && (states & BOOTM_STATE_OS_PREP))
+ ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
+
+#ifdef CONFIG_TRACE
+ /* Pretend to run the OS, then run a user command */
+ if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
+ char *cmd_list = getenv("fakegocmd");
+
+ ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
+ images, boot_fn);
+ if (!ret && cmd_list)
+ ret = run_command_list(cmd_list, -1, flag);
+ }
+#endif
+
+ /* Check for unsupported subcommand. */
+ if (ret) {
+ puts("subcommand not supported\n");
+ return ret;
+ }
+
+ /* Now run the OS! We hope this doesn't return */
+ if (!ret && (states & BOOTM_STATE_OS_GO))
+ ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
+ images, boot_fn);
+
+ /* Deal with any fallout */
+err:
+ if (iflag)
+ enable_interrupts();
+
+ if (ret == BOOTM_ERR_UNIMPLEMENTED)
+ bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
+ else if (ret == BOOTM_ERR_RESET)
+ do_reset(cmdtp, flag, argc, argv);
+
+ return ret;
+}
+
static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
int ret = 0;
long state;
cmd_tbl_t *c;
- boot_os_fn *boot_fn;
- c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
+ c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
+ argc--; argv++;
if (c) {
state = (long)c->cmd;
-
- /* treat start special since it resets the state machine */
- if (state == BOOTM_STATE_START) {
- argc--;
- argv++;
- return bootm_start(cmdtp, flag, argc, argv);
- }
+ if (state == BOOTM_STATE_START)
+ state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
} else {
/* Unrecognized command */
return CMD_RET_USAGE;
}
- if (images.state < BOOTM_STATE_START ||
- images.state >= state) {
+ if (state != BOOTM_STATE_START && images.state >= state) {
printf("Trying to execute a command out of order\n");
return CMD_RET_USAGE;
}
- images.state |= state;
- boot_fn = boot_os[images.os.os];
-
- switch (state) {
- ulong load_end;
- case BOOTM_STATE_START:
- /* should never occur */
- break;
- case BOOTM_STATE_LOADOS:
- ret = bootm_load_os(images.os, &load_end, 0);
- if (ret)
- return ret;
-
- lmb_reserve(&images.lmb, images.os.load,
- (load_end - images.os.load));
- break;
-#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
- case BOOTM_STATE_RAMDISK:
- {
- ulong rd_len = images.rd_end - images.rd_start;
-
- ret = boot_ramdisk_high(&images.lmb, images.rd_start,
- rd_len, &images.initrd_start, &images.initrd_end);
- if (ret)
- return ret;
-
- setenv_hex("initrd_start", images.initrd_start);
- setenv_hex("initrd_end", images.initrd_end);
- }
- break;
-#endif
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
- case BOOTM_STATE_FDT:
- {
- boot_fdt_add_mem_rsv_regions(&images.lmb,
- images.ft_addr);
- ret = boot_relocate_fdt(&images.lmb,
- &images.ft_addr, &images.ft_len);
- break;
- }
-#endif
- case BOOTM_STATE_OS_CMDLINE:
- ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
- if (ret)
- printf("cmdline subcommand not supported\n");
- break;
- case BOOTM_STATE_OS_BD_T:
- ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
- if (ret)
- printf("bdt subcommand not supported\n");
- break;
- case BOOTM_STATE_OS_PREP:
- ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
- if (ret)
- printf("prep subcommand not supported\n");
- break;
- case BOOTM_STATE_OS_GO:
- disable_interrupts();
-#ifdef CONFIG_NETCONSOLE
- /*
- * Stop the ethernet stack if NetConsole could have
- * left it up
- */
- eth_halt();
-#endif
- arch_preboot_os();
- boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
- break;
- }
+ ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
return ret;
}
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- ulong iflag;
- ulong load_end = 0;
- int ret;
- boot_os_fn *boot_fn;
#ifdef CONFIG_NEEDS_MANUAL_RELOC
static int relocated = 0;
#endif
/* determine if we have a sub command */
- if (argc > 1) {
+ argc--; argv++;
+ if (argc > 0) {
char *endp;
- simple_strtoul(argv[1], &endp, 16);
- /* endp pointing to NULL means that argv[1] was just a
+ simple_strtoul(argv[0], &endp, 16);
+ /* endp pointing to NULL means that argv[0] was just a
* valid number, pass it along to the normal bootm processing
*
* If endp is ':' or '#' assume a FIT identifier so pass
return do_bootm_subcommand(cmdtp, flag, argc, argv);
}
- if (bootm_start(cmdtp, flag, argc, argv))
- return 1;
-
- /*
- * We have reached the point of no return: we are going to
- * overwrite all exception vector code, so we cannot easily
- * recover from any failures any more...
- */
- iflag = disable_interrupts();
-
-#ifdef CONFIG_NETCONSOLE
- /* Stop the ethernet stack if NetConsole could have left it up */
- eth_halt();
-#endif
-
-#if defined(CONFIG_CMD_USB)
- /*
- * turn off USB to prevent the host controller from writing to the
- * SDRAM while Linux is booting. This could happen (at least for OHCI
- * controller), because the HCCA (Host Controller Communication Area)
- * lies within the SDRAM and the host controller writes continously to
- * this area (as busmaster!). The HccaFrameNumber is for example
- * updated every 1 ms within the HCCA structure in SDRAM! For more
- * details see the OpenHCI specification.
- */
- usb_stop();
-#endif
-
- ret = bootm_load_os(images.os, &load_end, 1);
-
- if (ret < 0) {
- if (ret == BOOTM_ERR_RESET)
- do_reset(cmdtp, flag, argc, argv);
- if (ret == BOOTM_ERR_OVERLAP) {
- if (images.legacy_hdr_valid) {
- image_header_t *hdr;
- hdr = &images.legacy_hdr_os_copy;
- if (image_get_type(hdr) == IH_TYPE_MULTI)
- puts("WARNING: legacy format multi "
- "component image "
- "overwritten\n");
- } else {
- puts("ERROR: new format image overwritten - "
- "must RESET the board to recover\n");
- bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
- do_reset(cmdtp, flag, argc, argv);
- }
- }
- if (ret == BOOTM_ERR_UNIMPLEMENTED) {
- if (iflag)
- enable_interrupts();
- bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
- return 1;
- }
- }
-
- lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
-
- if (images.os.type == IH_TYPE_STANDALONE) {
- if (iflag)
- enable_interrupts();
- /* This may return when 'autostart' is 'no' */
- bootm_start_standalone(iflag, argc, argv);
- return 0;
- }
-
- bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);
-
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
- if (images.os.os == IH_OS_LINUX)
- fixup_silent_linux();
+ return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
+ BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
+ BOOTM_STATE_LOADOS |
+#if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
+ BOOTM_STATE_OS_CMDLINE |
#endif
-
- boot_fn = boot_os[images.os.os];
-
- if (boot_fn == NULL) {
- if (iflag)
- enable_interrupts();
- printf("ERROR: booting os '%s' (%d) is not supported\n",
- genimg_get_os_name(images.os.os), images.os.os);
- bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
- return 1;
- }
-
- arch_preboot_os();
-
- boot_fn(0, argc, argv, &images);
-
- bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
-#ifdef DEBUG
- puts("\n## Control returned to monitor - resetting...\n");
-#endif
- do_reset(cmdtp, flag, argc, argv);
-
- return 1;
+ BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
+ BOOTM_STATE_OS_GO, &images, 1);
}
int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
#endif
/* find out kernel image address */
- if (argc < 2) {
+ if (argc < 1) {
img_addr = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
#if defined(CONFIG_FIT)
- } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
+ } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
&fit_uname_config)) {
debug("* kernel: config '%s' from image at 0x%08lx\n",
fit_uname_config, img_addr);
- } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
+ } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
&fit_uname_kernel)) {
debug("* kernel: subimage '%s' from image at 0x%08lx\n",
fit_uname_kernel, img_addr);
#endif
} else {
- img_addr = simple_strtoul(argv[1], NULL, 16);
+ img_addr = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
}
case IMAGE_FORMAT_FIT:
os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
img_addr,
- &fit_uname_kernel, fit_uname_config,
+ &fit_uname_kernel, &fit_uname_config,
IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
BOOTSTAGE_ID_FIT_KERNEL_START,
FIT_LOAD_IGNORED, os_data, os_len);
images->fit_hdr_os = map_sysmem(img_addr, 0);
images->fit_uname_os = fit_uname_kernel;
+ images->fit_uname_cfg = fit_uname_config;
images->fit_noffset_os = os_noffset;
break;
+#endif
+#ifdef CONFIG_ANDROID_BOOT_IMAGE
+ case IMAGE_FORMAT_ANDROID:
+ printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
+ if (android_image_get_kernel((void *)img_addr, images->verify,
+ os_data, os_len))
+ return NULL;
+ break;
#endif
default:
printf("Wrong Image Format for %s command\n", cmdtp->name);
char *buf;
const char *env_val;
char *cmdline = getenv("bootargs");
+ int want_silent;
- /* Only fix cmdline when requested */
- if (!(gd->flags & GD_FLG_SILENT))
+ /*
+ * Only fix cmdline when requested. The environment variable can be:
+ *
+ * no - we never fixup
+ * yes - we always fixup
+ * unset - we rely on the console silent flag
+ */
+ want_silent = getenv_yesno("silent_linux");
+ if (want_silent == 0)
+ return;
+ else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
return;
debug("before silent fix-up: %s\n", cmdline);
}
#endif /* CONFIG_SILENT_CONSOLE */
+#if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
+static void copy_args(char *dest, int argc, char * const argv[], char delim)
+{
+ int i;
+
+ for (i = 0; i < argc; i++) {
+ if (i > 0)
+ *dest++ = delim;
+ strcpy(dest, argv[i]);
+ dest += strlen(argv[i]);
+ }
+}
+#endif
/*******************************************************************/
/* OS booting routines */
char *consdev;
char *cmdline;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
consdev = "scc3";
#endif
- if (argc > 2) {
+ if (argc > 0) {
ulong len;
int i;
- for (i = 2, len = 0; i < argc; i += 1)
+ for (i = 0, len = 0; i < argc; i += 1)
len += strlen(argv[i]) + 1;
cmdline = malloc(len);
-
- for (i = 2, len = 0; i < argc; i += 1) {
- if (i > 2)
- cmdline[len++] = ' ';
- strcpy(&cmdline[len], argv[i]);
- len += strlen(argv[i]);
- }
+ copy_args(cmdline, argc, argv, ' ');
} else if ((cmdline = getenv("bootargs")) == NULL) {
cmdline = "";
}
/*
* NetBSD Stage-2 Loader Parameters:
- * r3: ptr to board info data
- * r4: image address
- * r5: console device
- * r6: boot args string
+ * arg[0]: pointer to board info data
+ * arg[1]: image load address
+ * arg[2]: char pointer to the console device to use
+ * arg[3]: char pointer to the boot arguments
*/
(*loader)(gd->bd, os_hdr, consdev, cmdline);
{
image_header_t *hdr = &images->legacy_hdr_os_copy;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
{
void (*entry_point)(bd_t *);
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
{
void (*entry_point)(void);
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
bootm_headers_t *images)
{
void (*entry_point)(void);
+ char *s;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
}
#endif
+ /* See README.plan9 */
+ s = getenv("confaddr");
+ if (s != NULL) {
+ char *confaddr = (char *)simple_strtoul(s, NULL, 16);
+
+ if (argc > 0) {
+ copy_args(confaddr, argc, argv, '\n');
+ } else {
+ s = getenv("bootargs");
+ if (s != NULL)
+ strcpy(confaddr, s);
+ }
+ }
+
entry_point = (void (*)(void))images->ep;
printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
}
#endif /* CONFIG_BOOTM_PLAN9 */
-#if defined(CONFIG_CMD_ELF)
+#if defined(CONFIG_BOOTM_VXWORKS) && \
+ (defined(CONFIG_PPC) || defined(CONFIG_ARM))
+
+void do_bootvx_fdt(bootm_headers_t *images)
+{
+#if defined(CONFIG_OF_LIBFDT)
+ int ret;
+ char *bootline;
+ ulong of_size = images->ft_len;
+ char **of_flat_tree = &images->ft_addr;
+ struct lmb *lmb = &images->lmb;
+
+ if (*of_flat_tree) {
+ boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
+
+ ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
+ if (ret)
+ return;
+
+ ret = fdt_add_subnode(*of_flat_tree, 0, "chosen");
+ if ((ret >= 0 || ret == -FDT_ERR_EXISTS)) {
+ bootline = getenv("bootargs");
+ if (bootline) {
+ ret = fdt_find_and_setprop(*of_flat_tree,
+ "/chosen", "bootargs",
+ bootline,
+ strlen(bootline) + 1, 1);
+ if (ret < 0) {
+ printf("## ERROR: %s : %s\n", __func__,
+ fdt_strerror(ret));
+ return;
+ }
+ }
+ } else {
+ printf("## ERROR: %s : %s\n", __func__,
+ fdt_strerror(ret));
+ return;
+ }
+ }
+#endif
+
+ boot_prep_vxworks(images);
+
+ bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+#if defined(CONFIG_OF_LIBFDT)
+ printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
+ (ulong)images->ep, (ulong)*of_flat_tree);
+#else
+ printf("## Starting vxWorks at 0x%08lx\n", (ulong)images->ep);
+#endif
+
+ boot_jump_vxworks(images);
+
+ puts("## vxWorks terminated\n");
+}
+
static int do_bootm_vxworks(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
- char str[80];
-
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
}
#endif
- sprintf(str, "%lx", images->ep); /* write entry-point into string */
- setenv("loadaddr", str);
- do_bootvx(NULL, 0, 0, NULL);
+ do_bootvx_fdt(images);
return 1;
}
+#endif
+#if defined(CONFIG_CMD_ELF)
static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
char *local_args[2];
char str[16];
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
{
void (*entry_point)(void);
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
#ifdef CONFIG_CMD_BOOTZ
-static int __bootz_setup(void *image, void **start, void **end)
+int __weak bootz_setup(ulong image, ulong *start, ulong *end)
{
/* Please define bootz_setup() for your platform */
puts("Your platform's zImage format isn't supported yet!\n");
return -1;
}
-int bootz_setup(void *image, void **start, void **end)
- __attribute__((weak, alias("__bootz_setup")));
/*
* zImage booting support
char * const argv[], bootm_headers_t *images)
{
int ret;
- void *zi_start, *zi_end;
-
- memset(images, 0, sizeof(bootm_headers_t));
+ ulong zi_start, zi_end;
- boot_start_lmb(images);
+ ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
+ images, 1);
/* Setup Linux kernel zImage entry point */
- if (argc < 2) {
+ if (!argc) {
images->ep = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
} else {
- images->ep = simple_strtoul(argv[1], NULL, 16);
+ images->ep = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n",
images->ep);
}
- ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
+ ret = bootz_setup(images->ep, &zi_start, &zi_end);
if (ret != 0)
return 1;
lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
- /* Find ramdisk */
- ret = boot_get_ramdisk(argc, argv, images, IH_INITRD_ARCH,
- &images->rd_start, &images->rd_end);
- if (ret) {
- puts("Ramdisk image is corrupt or invalid\n");
+ /*
+ * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
+ * have a header that provide this informaiton.
+ */
+ if (bootm_find_ramdisk(flag, argc, argv))
return 1;
- }
#if defined(CONFIG_OF_LIBFDT)
- /* find flattened device tree */
- ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, images,
- &images->ft_addr, &images->ft_len);
- if (ret) {
- puts("Could not find a valid device tree\n");
+ if (bootm_find_fdt(flag, argc, argv))
return 1;
- }
-
- set_working_fdt_addr(images->ft_addr);
#endif
return 0;
}
-static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- bootm_headers_t images;
+ int ret;
+
+ /* Consume 'bootz' */
+ argc--; argv++;
if (bootz_start(cmdtp, flag, argc, argv, &images))
return 1;
/*
- * We have reached the point of no return: we are going to
- * overwrite all exception vector code, so we cannot easily
- * recover from any failures any more...
+ * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
+ * disable interrupts ourselves
*/
- disable_interrupts();
+ bootm_disable_interrupts();
-#ifdef CONFIG_NETCONSOLE
- /* Stop the ethernet stack if NetConsole could have left it up */
- eth_halt();
-#endif
+ images.os.os = IH_OS_LINUX;
+ ret = do_bootm_states(cmdtp, flag, argc, argv,
+ BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
+ BOOTM_STATE_OS_GO,
+ &images, 1);
-#if defined(CONFIG_CMD_USB)
- /*
- * turn off USB to prevent the host controller from writing to the
- * SDRAM while Linux is booting. This could happen (at least for OHCI
- * controller), because the HCCA (Host Controller Communication Area)
- * lies within the SDRAM and the host controller writes continously to
- * this area (as busmaster!). The HccaFrameNumber is for example
- * updated every 1 ms within the HCCA structure in SDRAM! For more
- * details see the OpenHCI specification.
- */
- usb_stop();
-#endif
-
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
- fixup_silent_linux();
-#endif
- arch_preboot_os();
-
- do_bootm_linux(0, argc, argv, &images);
-#ifdef DEBUG
- puts("\n## Control returned to monitor - resetting...\n");
-#endif
- do_reset(cmdtp, flag, argc, argv);
-
- return 1;
+ return ret;
}
#ifdef CONFIG_SYS_LONGHELP
projects / karo-tx-uboot.git / blobdiff