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-rw-r--r--common/Kconfig2
-rw-r--r--common/bloblist.c17
-rw-r--r--common/board_f.c9
-rw-r--r--common/board_r.c2
-rw-r--r--common/cyclic.c6
-rw-r--r--common/hash.c17
-rw-r--r--common/log.c33
-rw-r--r--common/spl/Kconfig8
-rw-r--r--common/spl/Kconfig.tpl8
-rw-r--r--common/spl/Kconfig.vpl21
-rw-r--r--common/spl/Makefile1
-rw-r--r--common/spl/spl.c45
-rw-r--r--common/spl/spl_fit.c42
-rw-r--r--common/spl/spl_reloc.c183
-rw-r--r--common/splash_source.c17
15 files changed, 357 insertions, 54 deletions
diff --git a/common/Kconfig b/common/Kconfig
index 0e8c44f3f74..7685914fa6f 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1047,6 +1047,8 @@ if BLOBLIST
choice
prompt "Bloblist location"
+ default BLOBLIST_FIXED if SANDBOX
+ default BLOBLIST_ALLOC
help
Select the location of the bloblist, via various means.
diff --git a/common/bloblist.c b/common/bloblist.c
index 110bb9dc44a..ab48a3cdb98 100644
--- a/common/bloblist.c
+++ b/common/bloblist.c
@@ -223,13 +223,26 @@ static int bloblist_ensurerec(uint tag, struct bloblist_rec **recp, int size,
void *bloblist_find(uint tag, int size)
{
+ void *blob = NULL;
+ int blob_size;
+
+ blob = bloblist_get_blob(tag, &blob_size);
+
+ if (size && size != blob_size)
+ return NULL;
+
+ return blob;
+}
+
+void *bloblist_get_blob(uint tag, int *sizep)
+{
struct bloblist_rec *rec;
rec = bloblist_findrec(tag);
if (!rec)
return NULL;
- if (size && size != rec->size)
- return NULL;
+
+ *sizep = rec->size;
return (void *)rec + rec_hdr_size(rec);
}
diff --git a/common/board_f.c b/common/board_f.c
index 54c48d42ee9..6c5c3bfab48 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -815,21 +815,26 @@ static int initf_bootstage(void)
static int initf_dm(void)
{
-#if defined(CONFIG_DM) && CONFIG_IS_ENABLED(SYS_MALLOC_F)
int ret;
+ if (!CONFIG_IS_ENABLED(SYS_MALLOC_F))
+ return 0;
+
bootstage_start(BOOTSTAGE_ID_ACCUM_DM_F, "dm_f");
ret = dm_init_and_scan(true);
bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_F);
if (ret)
return ret;
+ ret = dm_autoprobe();
+ if (ret)
+ return ret;
+
if (IS_ENABLED(CONFIG_TIMER_EARLY)) {
ret = dm_timer_init();
if (ret)
return ret;
}
-#endif
return 0;
}
diff --git a/common/board_r.c b/common/board_r.c
index f63c6aed4d5..179259b00de 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -250,7 +250,7 @@ static int initr_dm(void)
if (ret)
return ret;
- return 0;
+ return dm_autoprobe();
}
#endif
diff --git a/common/cyclic.c b/common/cyclic.c
index 196797fd61e..fad071a39c6 100644
--- a/common/cyclic.c
+++ b/common/cyclic.c
@@ -36,7 +36,7 @@ void cyclic_register(struct cyclic_info *cyclic, cyclic_func_t func,
cyclic->func = func;
cyclic->name = name;
cyclic->delay_us = delay_us;
- cyclic->start_time_us = timer_get_us();
+ cyclic->start_time_us = get_timer_us(0);
hlist_add_head(&cyclic->list, cyclic_get_list());
}
@@ -61,13 +61,13 @@ static void cyclic_run(void)
* Check if this cyclic function needs to get called, e.g.
* do not call the cyclic func too often
*/
- now = timer_get_us();
+ now = get_timer_us(0);
if (time_after_eq64(now, cyclic->next_call)) {
/* Call cyclic function and account it's cpu-time */
cyclic->next_call = now + cyclic->delay_us;
cyclic->func(cyclic);
cyclic->run_cnt++;
- cpu_time = timer_get_us() - now;
+ cpu_time = get_timer_us(0) - now;
cyclic->cpu_time_us += cpu_time;
/* Check if cpu-time exceeds max allowed time */
diff --git a/common/hash.c b/common/hash.c
index 8dd9da85768..0c45992d5c7 100644
--- a/common/hash.c
+++ b/common/hash.c
@@ -143,7 +143,8 @@ static int __maybe_unused hash_finish_sha512(struct hash_algo *algo, void *ctx,
return 0;
}
-static int hash_init_crc16_ccitt(struct hash_algo *algo, void **ctxp)
+static int __maybe_unused hash_init_crc16_ccitt(struct hash_algo *algo,
+ void **ctxp)
{
uint16_t *ctx = malloc(sizeof(uint16_t));
*ctx = 0;
@@ -151,16 +152,18 @@ static int hash_init_crc16_ccitt(struct hash_algo *algo, void **ctxp)
return 0;
}
-static int hash_update_crc16_ccitt(struct hash_algo *algo, void *ctx,
- const void *buf, unsigned int size,
- int is_last)
+static int __maybe_unused hash_update_crc16_ccitt(struct hash_algo *algo,
+ void *ctx, const void *buf,
+ unsigned int size,
+ int is_last)
{
*((uint16_t *)ctx) = crc16_ccitt(*((uint16_t *)ctx), buf, size);
return 0;
}
-static int hash_finish_crc16_ccitt(struct hash_algo *algo, void *ctx,
- void *dest_buf, int size)
+static int __maybe_unused hash_finish_crc16_ccitt(struct hash_algo *algo,
+ void *ctx, void *dest_buf,
+ int size)
{
if (size < algo->digest_size)
return -1;
@@ -295,6 +298,7 @@ static struct hash_algo hash_algo[] = {
#endif
},
#endif
+#if CONFIG_IS_ENABLED(CRC16)
{
.name = "crc16-ccitt",
.digest_size = 2,
@@ -304,6 +308,7 @@ static struct hash_algo hash_algo[] = {
.hash_update = hash_update_crc16_ccitt,
.hash_finish = hash_finish_crc16_ccitt,
},
+#endif
#if CONFIG_IS_ENABLED(CRC8) && IS_ENABLED(CONFIG_HASH_CRC8)
{
.name = "crc8",
diff --git a/common/log.c b/common/log.c
index c9fe35230d6..b75e404420b 100644
--- a/common/log.c
+++ b/common/log.c
@@ -130,17 +130,25 @@ bool log_has_cat(enum log_category_t cat_list[], enum log_category_t cat)
return false;
}
-bool log_has_file(const char *file_list, const char *file)
+/**
+ * log_has_member() - check if a string is in a comma separated list
+ *
+ * @list: Comma separated list of strings
+ * @member: String to find
+ *
+ * Return: ``true`` if @member is in @list, else ``false``
+ */
+static bool log_has_member(const char *list, const char *member)
{
- int file_len = strlen(file);
+ int member_len = strlen(member);
const char *s, *p;
int substr_len;
- for (s = file_list; *s; s = p + (*p != '\0')) {
+ for (s = list; *s; s = p + (*p != '\0')) {
p = strchrnul(s, ',');
substr_len = p - s;
- if (file_len >= substr_len &&
- !strncmp(file + file_len - substr_len, s, substr_len))
+ if (member_len >= substr_len &&
+ !strncmp(member + member_len - substr_len, s, substr_len))
return true;
}
@@ -181,7 +189,11 @@ static bool log_passes_filters(struct log_device *ldev, struct log_rec *rec)
continue;
if (filt->file_list &&
- !log_has_file(filt->file_list, rec->file))
+ !log_has_member(filt->file_list, rec->file))
+ continue;
+
+ if (filt->func_list &&
+ !log_has_member(filt->func_list, rec->func))
continue;
if (filt->flags & LOGFF_DENY)
@@ -321,7 +333,7 @@ int _log_buffer(enum log_category_t cat, enum log_level_t level,
int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
enum log_level_t level, const char *file_list,
- int flags)
+ const char *func_list, int flags)
{
struct log_filter *filt;
struct log_device *ldev;
@@ -356,6 +368,13 @@ int log_add_filter_flags(const char *drv_name, enum log_category_t cat_list[],
goto err;
}
}
+ if (func_list) {
+ filt->func_list = strdup(func_list);
+ if (!filt->func_list) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ }
filt->filter_num = ldev->next_filter_num++;
/* Add deny filters to the beginning of the list */
if (flags & LOGFF_DENY)
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 4e56d9909c8..94e118f8465 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -983,6 +983,14 @@ config SPL_NAND_IDENT
help
SPL uses the chip ID list to identify the NAND flash.
+config SPL_RELOC_LOADER
+ bool "Allow relocating the next phase"
+ help
+ In some cases multiple U-Boot phases need to run in SRAM, typically
+ at the same address. Enable this to support loading the next phase
+ to temporary memory, then copying it into place afterwards, then
+ jumping to it.
+
config SPL_UBI
bool "Support UBI"
help
diff --git a/common/spl/Kconfig.tpl b/common/spl/Kconfig.tpl
index 92d4d43ec87..22ca7016453 100644
--- a/common/spl/Kconfig.tpl
+++ b/common/spl/Kconfig.tpl
@@ -268,6 +268,14 @@ config TPL_RAM_DEVICE
be already in memory when TPL takes over, e.g. loaded by the boot
ROM.
+config TPL_RELOC_LOADER
+ bool "Allow relocating the next phase"
+ help
+ In some cases multiple U-Boot phases need to run in SRAM, typically
+ at the same address. Enable this to support loading the next phase
+ to temporary memory, then copying it into place afterwards, then
+ jumping to it.
+
config TPL_RTC
bool "Support RTC drivers"
help
diff --git a/common/spl/Kconfig.vpl b/common/spl/Kconfig.vpl
index eb57dfabea5..cf6b36c8e38 100644
--- a/common/spl/Kconfig.vpl
+++ b/common/spl/Kconfig.vpl
@@ -9,6 +9,19 @@ config VPL_BANNER_PRINT
info. Disabling this option could be useful to reduce VPL boot time
(e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
+config VPL_LDSCRIPT
+ string "Linker script for the VPL stage"
+ default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
+ default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
+ help
+ The TPL stage will usually require a different linker-script
+ (as it runs from a different memory region) than the regular
+ U-Boot stage. Set this to the path of the linker-script to
+ be used for TPL.
+
+ May be left empty to trigger the Makefile infrastructure to
+ fall back to the linker-script used for the SPL stage.
+
config VPL_BOARD_INIT
bool "Call board-specific initialization in VPL"
help
@@ -181,6 +194,14 @@ config VPL_PCI
necessary driver support. This enables the drivers in drivers/pci
as part of a VPL build.
+config VPL_RELOC_LOADER
+ bool "Allow relocating the next phase"
+ help
+ In some cases multiple U-Boot phases need to run in SRAM, typically
+ at the same address. Enable this to support loading the next phase
+ to temporary memory, then copying it into place afterwards, then
+ jumping to it.
+
config VPL_RTC
bool "Support RTC drivers"
help
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 75123eb666b..4c9482bd309 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_$(PHASE_)BOOTROM_SUPPORT) += spl_bootrom.o
obj-$(CONFIG_$(PHASE_)LOAD_FIT) += spl_fit.o
obj-$(CONFIG_$(PHASE_)BLK_FS) += spl_blk_fs.o
obj-$(CONFIG_$(PHASE_)LEGACY_IMAGE_FORMAT) += spl_legacy.o
+obj-$(CONFIG_$(PHASE_)RELOC_LOADER) += spl_reloc.o
obj-$(CONFIG_$(PHASE_)NOR_SUPPORT) += spl_nor.o
obj-$(CONFIG_$(PHASE_)XIP_SUPPORT) += spl_xip.o
obj-$(CONFIG_$(PHASE_)YMODEM_SUPPORT) += spl_ymodem.o
diff --git a/common/spl/spl.c b/common/spl/spl.c
index ad31a2f8b6c..76fd56dfe4b 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -50,8 +50,10 @@ u32 *boot_params_ptr = NULL;
#if CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS)
/* See spl.h for information about this */
+#if defined(CONFIG_SPL_BUILD)
binman_sym_declare(ulong, u_boot_any, image_pos);
binman_sym_declare(ulong, u_boot_any, size);
+#endif
#ifdef CONFIG_TPL
binman_sym_declare(ulong, u_boot_spl_any, image_pos);
@@ -179,9 +181,15 @@ ulong spl_get_image_pos(void)
if (xpl_next_phase() == PHASE_VPL)
return binman_sym(ulong, u_boot_vpl_any, image_pos);
#endif
- return xpl_next_phase() == PHASE_SPL ?
- binman_sym(ulong, u_boot_spl_any, image_pos) :
- binman_sym(ulong, u_boot_any, image_pos);
+#if defined(CONFIG_TPL) && !defined(CONFIG_VPL)
+ if (xpl_next_phase() == PHASE_SPL)
+ return binman_sym(ulong, u_boot_spl_any, image_pos);
+#endif
+#if defined(CONFIG_SPL_BUILD)
+ return binman_sym(ulong, u_boot_any, image_pos);
+#endif
+
+ return BINMAN_SYM_MISSING;
}
ulong spl_get_image_size(void)
@@ -263,14 +271,20 @@ void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
*/
if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
/* Binman does not support separated entry addresses */
- spl_image->entry_point = u_boot_pos;
- spl_image->load_addr = u_boot_pos;
+ spl_image->entry_point = spl_get_image_text_base();
+ spl_image->load_addr = spl_get_image_text_base();
+ spl_image->size = spl_get_image_size();
+ log_debug("Next load addr %lx\n", spl_image->load_addr);
} else {
spl_image->entry_point = CONFIG_SYS_UBOOT_START;
spl_image->load_addr = CONFIG_TEXT_BASE;
+ log_debug("Default load addr %x (u_boot_pos=%lx)\n",
+ CONFIG_TEXT_BASE, u_boot_pos);
}
spl_image->os = IH_OS_U_BOOT;
- spl_image->name = "U-Boot";
+ spl_image->name = xpl_name(xpl_next_phase());
+ log_debug("Next phase: %s at %lx size %lx\n", spl_image->name,
+ spl_image->load_addr, (ulong)spl_image->size);
}
__weak int spl_parse_board_header(struct spl_image_info *spl_image,
@@ -500,6 +514,10 @@ static int spl_common_init(bool setup_malloc)
debug("dm_init_and_scan() returned error %d\n", ret);
return ret;
}
+
+ ret = dm_autoprobe();
+ if (ret)
+ return ret;
}
return 0;
@@ -671,8 +689,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
BOOT_DEVICE_NONE,
BOOT_DEVICE_NONE,
};
- typedef void __noreturn (*jump_to_image_t)(struct spl_image_info *);
- jump_to_image_t jump_to_image = &jump_to_image_no_args;
+ spl_jump_to_image_t jump_to_image = &jump_to_image_no_args;
struct spl_image_info spl_image;
int ret, os;
@@ -827,6 +844,18 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
}
spl_board_prepare_for_boot();
+
+ if (CONFIG_IS_ENABLED(RELOC_LOADER)) {
+ int ret;
+
+ ret = spl_reloc_jump(&spl_image, jump_to_image);
+ if (ret) {
+ if (xpl_phase() == PHASE_VPL)
+ printf("jump failed %d\n", ret);
+ hang();
+ }
+ }
+
jump_to_image(&spl_image);
}
diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c
index ac8462577ff..49b4df60560 100644
--- a/common/spl/spl_fit.c
+++ b/common/spl/spl_fit.c
@@ -199,7 +199,9 @@ static int get_aligned_image_size(struct spl_load_info *info, int data_size,
* the image gets loaded to the address pointed to by the
* load_addr member in this struct, if load_addr is not 0
*
- * Return: 0 on success or a negative error number.
+ * Return: 0 on success, -EPERM if this image is not the correct phase
+ * (for CONFIG_BOOTMETH_VBE_SIMPLE_FW), or another negative error number on
+ * other error.
*/
static int load_simple_fit(struct spl_load_info *info, ulong fit_offset,
const struct spl_fit_info *ctx, int node,
@@ -218,6 +220,25 @@ static int load_simple_fit(struct spl_load_info *info, ulong fit_offset,
const void *fit = ctx->fit;
bool external_data = false;
+ log_debug("starting\n");
+ if (CONFIG_IS_ENABLED(BOOTMETH_VBE) &&
+ xpl_get_phase(info) != IH_PHASE_NONE) {
+ enum image_phase_t phase;
+ int ret;
+
+ ret = fit_image_get_phase(fit, node, &phase);
+ /* if the image is for any phase, let's use it */
+ if (ret == -ENOENT || phase == xpl_get_phase(info)) {
+ log_debug("found\n");
+ } else if (ret < 0) {
+ log_debug("err=%d\n", ret);
+ return ret;
+ } else {
+ log_debug("- phase mismatch, skipping this image\n");
+ return -EPERM;
+ }
+ }
+
if (IS_ENABLED(CONFIG_SPL_FPGA) ||
(IS_ENABLED(CONFIG_SPL_OS_BOOT) && spl_decompression_enabled())) {
if (fit_image_get_type(fit, node, &type))
@@ -278,10 +299,7 @@ static int load_simple_fit(struct spl_load_info *info, ulong fit_offset,
log_debug("reading from offset %x / %lx size %lx to %p: ",
offset, read_offset, size, src_ptr);
- if (info->read(info,
- fit_offset +
- get_aligned_image_offset(info, offset), size,
- src_ptr) < length)
+ if (info->read(info, read_offset, size, src_ptr) < length)
return -EIO;
debug("External data: dst=%p, offset=%x, size=%lx\n",
@@ -289,7 +307,7 @@ static int load_simple_fit(struct spl_load_info *info, ulong fit_offset,
src = src_ptr + overhead;
} else {
/* Embedded data */
- if (fit_image_get_data(fit, node, &data, &length)) {
+ if (fit_image_get_emb_data(fit, node, &data, &length)) {
puts("Cannot get image data/size\n");
return -ENOENT;
}
@@ -456,7 +474,9 @@ static int spl_fit_append_fdt(struct spl_image_info *spl_image,
image_info.load_addr = (ulong)tmpbuffer;
ret = load_simple_fit(info, offset, ctx, node,
&image_info);
- if (ret < 0)
+ if (ret == -EPERM)
+ continue;
+ else if (ret < 0)
break;
/* Make room in FDT for changes from the overlay */
@@ -495,9 +515,6 @@ static int spl_fit_record_loadable(const struct spl_fit_info *ctx, int index,
const char *name;
int node;
- if (CONFIG_IS_ENABLED(FIT_IMAGE_TINY))
- return 0;
-
ret = spl_fit_get_image_name(ctx, "loadables", index, &name);
if (ret < 0)
return ret;
@@ -817,7 +834,7 @@ int spl_load_simple_fit(struct spl_image_info *spl_image,
image_info.load_addr = 0;
ret = load_simple_fit(info, offset, &ctx, node, &image_info);
- if (ret < 0) {
+ if (ret < 0 && ret != -EPERM) {
printf("%s: can't load image loadables index %d (ret = %d)\n",
__func__, index, ret);
return ret;
@@ -843,7 +860,8 @@ int spl_load_simple_fit(struct spl_image_info *spl_image,
spl_image->entry_point = image_info.entry_point;
/* Record our loadables into the FDT */
- if (spl_image->fdt_addr)
+ if (!CONFIG_IS_ENABLED(FIT_IMAGE_TINY) &&
+ xpl_get_fdt_update(info) && spl_image->fdt_addr)
spl_fit_record_loadable(&ctx, index,
spl_image->fdt_addr,
&image_info);
diff --git a/common/spl/spl_reloc.c b/common/spl/spl_reloc.c
new file mode 100644
index 00000000000..324b98eaf98
--- /dev/null
+++ b/common/spl/spl_reloc.c
@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2024 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <gzip.h>
+#include <image.h>
+#include <log.h>
+#include <mapmem.h>
+#include <spl.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/sections.h>
+#include <asm/unaligned.h>
+#include <linux/types.h>
+#include <lzma/LzmaTypes.h>
+#include <lzma/LzmaDec.h>
+#include <lzma/LzmaTools.h>
+#include <u-boot/crc.h>
+#include <u-boot/lz4.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* provide a way to jump straight into the relocation code, for debugging */
+#define DEBUG_JUMP 0
+
+enum {
+ /* margin to allow for stack growth */
+ RELOC_STACK_MARGIN = 0x800,
+
+ /* align base address for DMA controllers which require it */
+ BASE_ALIGN = 0x200,
+
+ STACK_PROT_VALUE = 0x51ce4697,
+};
+
+typedef int (*rcode_func)(struct spl_image_info *image);
+
+static int setup_layout(struct spl_image_info *image, ulong *addrp)
+{
+ ulong base, fdt_size;
+ ulong limit, rcode_base;
+ uint rcode_size;
+ int buf_size, margin;
+ char *rcode_buf;
+
+ limit = ALIGN(map_to_sysmem(&limit) - RELOC_STACK_MARGIN, 8);
+ image->stack_prot = map_sysmem(limit, sizeof(uint));
+ *image->stack_prot = STACK_PROT_VALUE;
+
+ fdt_size = fdt_totalsize(gd->fdt_blob);
+ base = ALIGN(map_to_sysmem(gd->fdt_blob) + fdt_size + BASE_ALIGN - 1,
+ BASE_ALIGN);
+
+ rcode_size = _rcode_end - _rcode_start;
+ rcode_base = limit - rcode_size;
+ buf_size = rcode_base - base;
+ uint need_size = image->size + image->fdt_size;
+ margin = buf_size - need_size;
+ log_debug("spl_reloc %s->%s: margin%s%lx limit %lx fdt_size %lx base %lx avail %x image %x fdt %lx need %x\n",
+ spl_phase_name(spl_phase()), spl_phase_name(spl_phase() + 1),
+ margin >= 0 ? " " : " -", abs(margin), limit, fdt_size, base,
+ buf_size, image->size, image->fdt_size, need_size);
+ if (margin < 0) {
+ log_err("Image size %x but buffer is only %x\n", need_size,
+ buf_size);
+ return -ENOSPC;
+ }
+
+ rcode_buf = map_sysmem(rcode_base, rcode_size);
+ log_debug("_rcode_start %p: %x -- func %p %x\n", _rcode_start,
+ *(uint *)_rcode_start, setup_layout, *(uint *)setup_layout);
+
+ image->reloc_offset = rcode_buf - _rcode_start;
+ log_debug("_rcode start %lx base %lx size %x offset %lx\n",
+ (ulong)map_to_sysmem(_rcode_start), rcode_base, rcode_size,
+ image->reloc_offset);
+
+ memcpy(rcode_buf, _rcode_start, rcode_size);
+
+ image->buf = map_sysmem(base, need_size);
+ image->fdt_buf = image->buf + image->size;
+ image->rcode_buf = rcode_buf;
+ *addrp = base;
+
+ return 0;
+}
+
+int spl_reloc_prepare(struct spl_image_info *image, ulong *addrp)
+{
+ int ret;
+
+ ret = setup_layout(image, addrp);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+typedef void __noreturn (*image_entry_noargs_t)(uint crc, uint unc_len);
+
+/* this is the relocation + jump code that is copied to the top of memory */
+__rcode int rcode_reloc_and_jump(struct spl_image_info *image)
+{
+ image_entry_noargs_t entry = (image_entry_noargs_t)image->entry_point;
+ u32 *dst;
+ ulong image_len;
+ size_t unc_len;
+ int ret, crc;
+ uint magic;
+
+ dst = map_sysmem(image->load_addr, image->size);
+ unc_len = (void *)image->rcode_buf - (void *)dst;
+ image_len = image->size;
+ if (*image->stack_prot != STACK_PROT_VALUE)
+ return -EFAULT;
+ magic = get_unaligned_le32(image->buf);
+ if (CONFIG_IS_ENABLED(LZMA)) {
+ SizeT lzma_len = unc_len;
+
+ ret = lzmaBuffToBuffDecompress((u8 *)dst, &lzma_len,
+ image->buf, image_len);
+ unc_len = lzma_len;
+ } else if (CONFIG_IS_ENABLED(GZIP)) {
+ ret = gunzip(dst, unc_len, image->buf, &image_len);
+ } else if (CONFIG_IS_ENABLED(LZ4) && magic == LZ4F_MAGIC) {
+ ret = ulz4fn(image->buf, image_len, dst, &unc_len);
+ if (ret)
+ return ret;
+ } else {
+ u32 *src, *end, *ptr;
+
+ unc_len = image->size;
+ for (src = image->buf, end = (void *)src + image->size,
+ ptr = dst; src < end;)
+ *ptr++ = *src++;
+ }
+ if (*image->stack_prot != STACK_PROT_VALUE)
+ return -EFAULT;
+
+ /* copy in the FDT if needed */
+ if (image->fdt_size)
+ memcpy(image->fdt_start, image->fdt_buf, image->fdt_size);
+
+ crc = crc8(0, (u8 *)dst, unc_len);
+
+ /* jump to the entry point */
+ entry(crc, unc_len);
+}
+
+int spl_reloc_jump(struct spl_image_info *image, spl_jump_to_image_t jump)
+{
+ rcode_func loader;
+ int ret;
+
+ log_debug("malloc usage %x bytes (%d KB of %d KB)\n", gd->malloc_ptr,
+ gd->malloc_ptr / 1024, CONFIG_VAL(SYS_MALLOC_F_LEN) / 1024);
+
+ if (*image->stack_prot != STACK_PROT_VALUE) {
+ log_err("stack busted, cannot continue\n");
+ return -EFAULT;
+ }
+ loader = (rcode_func)(void *)rcode_reloc_and_jump + image->reloc_offset;
+ log_debug("Jumping via %p to %lx - image %p size %x load %lx\n", loader,
+ image->entry_point, image, image->size, image->load_addr);
+
+ log_debug("unc_len %lx\n",
+ image->rcode_buf - map_sysmem(image->load_addr, image->size));
+ if (DEBUG_JUMP) {
+ rcode_reloc_and_jump(image);
+ } else {
+ /*
+ * Must disable LOG_DEBUG since the decompressor cannot call
+ * log functions, printf(), etc.
+ */
+ _Static_assert(DEBUG_JUMP || !_DEBUG,
+ "Cannot have debug output from decompressor");
+ ret = loader(image);
+ }
+
+ return -EFAULT;
+}
diff --git a/common/splash_source.c b/common/splash_source.c
index f43e7cc1be7..2df78a4f2d7 100644
--- a/common/splash_source.c
+++ b/common/splash_source.c
@@ -395,19 +395,10 @@ static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
}
/* Extract the splash data from FIT */
- /* 1. Test if splash is in FIT internal data. */
- if (!fit_image_get_data(fit_header, node_offset, &internal_splash_data, &internal_splash_size))
- memmove((void *)(uintptr_t)bmp_load_addr, internal_splash_data, internal_splash_size);
- /* 2. Test if splash is in FIT external data with fixed position. */
- else if (!fit_image_get_data_position(fit_header, node_offset, &external_splash_addr))
- is_splash_external = true;
- /* 3. Test if splash is in FIT external data with offset. */
- else if (!fit_image_get_data_offset(fit_header, node_offset, &external_splash_addr)) {
- /* Align data offset to 4-byte boundary */
- fit_size = ALIGN(fdt_totalsize(fit_header), 4);
- /* External splash offset means the offset by end of FIT header */
- external_splash_addr += location->offset + fit_size;
- is_splash_external = true;
+ if (!fit_image_get_data(fit_header, node_offset, &internal_splash_data,
+ &internal_splash_size)) {
+ memmove((void *)(uintptr_t)bmp_load_addr, internal_splash_data,
+ internal_splash_size);
} else {
printf("Failed to get splash image from FIT\n");
return -ENODATA;