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-rw-r--r--src/vendorcode/google/chromeos/vbnv_flash.c14
-rw-r--r--src/vendorcode/google/chromeos/vboot2/misc.h12
-rw-r--r--src/vendorcode/google/chromeos/vboot2/vboot_handoff.c4
-rw-r--r--src/vendorcode/google/chromeos/vboot2/vboot_loader.c73
-rw-r--r--src/vendorcode/google/chromeos/vboot2/verstage.c21
-rw-r--r--src/vendorcode/google/chromeos/vboot_common.c64
-rw-r--r--src/vendorcode/google/chromeos/vboot_common.h12
7 files changed, 105 insertions, 95 deletions
diff --git a/src/vendorcode/google/chromeos/vbnv_flash.c b/src/vendorcode/google/chromeos/vbnv_flash.c
index fe2667e..976793a 100644
--- a/src/vendorcode/google/chromeos/vbnv_flash.c
+++ b/src/vendorcode/google/chromeos/vbnv_flash.c
@@ -32,7 +32,7 @@
#define BLOB_SIZE VB2_NVDATA_SIZE
/* FMAP descriptor of the NVRAM area */
-static struct vboot_region nvram_region;
+static struct region nvram_region;
/* offset of the current nvdata in SPI flash */
static int blob_offset = -1;
@@ -74,7 +74,7 @@ static int init_vbnv(void)
int i;
vboot_locate_region("RW_NVRAM", &nvram_region);
- if (nvram_region.size < BLOB_SIZE) {
+ if (region_sz(&nvram_region) < BLOB_SIZE) {
printk(BIOS_ERR, "%s: failed to locate NVRAM\n", __func__);
return 1;
}
@@ -83,8 +83,8 @@ static int init_vbnv(void)
for (i = 0; i < BLOB_SIZE; i++)
empty_blob[i] = erase_value();
- offset = nvram_region.offset_addr;
- top_offset = nvram_region.offset_addr + nvram_region.size - BLOB_SIZE;
+ offset = region_offset(&nvram_region);
+ top_offset = offset + region_sz(&nvram_region) - BLOB_SIZE;
/*
* after the loop, offset is supposed to point the blob right before
@@ -130,8 +130,8 @@ static int erase_nvram(void)
if (vbnv_flash_probe())
return 1;
- if (spi_flash->erase(spi_flash, nvram_region.offset_addr,
- nvram_region.size)) {
+ if (spi_flash->erase(spi_flash, region_offset(&nvram_region),
+ region_sz(&nvram_region))) {
printk(BIOS_ERR, "failed to erase nvram\n");
return 1;
}
@@ -171,7 +171,7 @@ void save_vbnv(const uint8_t *vbnv_copy)
if (new_offset > top_offset) {
if (erase_nvram())
return; /* error */
- new_offset = nvram_region.offset_addr;
+ new_offset = region_offset(&nvram_region);
}
break;
}
diff --git a/src/vendorcode/google/chromeos/vboot2/misc.h b/src/vendorcode/google/chromeos/vboot2/misc.h
index 3a2afbf..1b3f41e 100644
--- a/src/vendorcode/google/chromeos/vboot2/misc.h
+++ b/src/vendorcode/google/chromeos/vboot2/misc.h
@@ -25,7 +25,7 @@
void vboot_fill_handoff(void);
void verstage_main(void);
void *vboot_load_stage(int stage_index,
- struct vboot_region *fw_main,
+ struct region *fw_main,
struct vboot_components *fw_info);
/*
@@ -47,17 +47,17 @@ size_t vb2_working_data_size(void);
void *vboot_get_work_buffer(struct vb2_working_data *wd);
static inline void vb2_get_selected_region(struct vb2_working_data *wd,
- struct vboot_region *region)
+ struct region *region)
{
- region->offset_addr = wd->selected_region_offset;
+ region->offset = wd->selected_region_offset;
region->size = wd->selected_region_size;
}
static inline void vb2_set_selected_region(struct vb2_working_data *wd,
- struct vboot_region *region)
+ struct region *region)
{
- wd->selected_region_offset = region->offset_addr;
- wd->selected_region_size = region->size;
+ wd->selected_region_offset = region_offset(region);
+ wd->selected_region_size = region_sz(region);
}
static inline int vboot_is_slot_selected(struct vb2_working_data *wd)
diff --git a/src/vendorcode/google/chromeos/vboot2/vboot_handoff.c b/src/vendorcode/google/chromeos/vboot2/vboot_handoff.c
index a1b51a1..38f77a6 100644
--- a/src/vendorcode/google/chromeos/vboot2/vboot_handoff.c
+++ b/src/vendorcode/google/chromeos/vboot2/vboot_handoff.c
@@ -127,7 +127,7 @@ void vboot_fill_handoff(void)
int i;
struct vboot_handoff *vh;
struct vb2_shared_data *sd;
- struct vboot_region fw_main;
+ struct region fw_main;
struct vboot_components *fw_info;
struct vb2_working_data *wd = vboot_get_working_data();
@@ -159,7 +159,7 @@ void vboot_fill_handoff(void)
/* these offset & size are used to load a rw boot loader */
for (i = 0; i < fw_info->num_components; i++) {
vh->components[i].address =
- fw_main.offset_addr + fw_info->entries[i].offset;
+ region_offset(&fw_main) + fw_info->entries[i].offset;
vh->components[i].size = fw_info->entries[i].size;
}
}
diff --git a/src/vendorcode/google/chromeos/vboot2/vboot_loader.c b/src/vendorcode/google/chromeos/vboot2/vboot_loader.c
index fd64798..1129cd1 100644
--- a/src/vendorcode/google/chromeos/vboot2/vboot_loader.c
+++ b/src/vendorcode/google/chromeos/vboot2/vboot_loader.c
@@ -121,10 +121,10 @@ static int vboot_loader_active(struct prog *prog)
if (IS_ENABLED(CONFIG_MULTIPLE_CBFS_INSTANCES) &&
run_verification) {
/* RW A or B */
- struct vboot_region fw_main;
+ struct region fw_main;
vb2_get_selected_region(wd, &fw_main);
- cbfs_set_header_offset(fw_main.offset_addr);
+ cbfs_set_header_offset(region_offset(&fw_main));
}
return 1;
}
@@ -132,27 +132,30 @@ static int vboot_loader_active(struct prog *prog)
return 0;
}
-static uintptr_t vboot_fw_region(int fw_index, struct vboot_region *fw_main,
- struct vboot_components *fw_info, size_t *size)
+static int vboot_fw_region(int fw_index, struct region *fw_main,
+ struct vboot_components *fw_info,
+ struct region *fc)
{
- uintptr_t fc_addr;
- uint32_t fc_size;
+ size_t fw_main_end;
+ size_t fc_end;
if (fw_index >= fw_info->num_components) {
printk(BIOS_INFO, "invalid stage index: %d\n", fw_index);
- return 0;
+ return -1;
}
- fc_addr = fw_main->offset_addr + fw_info->entries[fw_index].offset;
- fc_size = fw_info->entries[fw_index].size;
- if (fc_size == 0 ||
- fc_addr + fc_size > fw_main->offset_addr + fw_main->size) {
+ fc->offset = region_offset(fw_main) + fw_info->entries[fw_index].offset;
+ fc->size = fw_info->entries[fw_index].size;
+
+ fw_main_end = region_offset(fw_main) + region_sz(fw_main);
+ fc_end = region_offset(fc) + region_sz(fc);
+
+ if (region_sz(fc) == 0 || fc_end > fw_main_end) {
printk(BIOS_INFO, "invalid stage address or size\n");
- return 0;
+ return -1;
}
- *size = fc_size;
- return fc_addr;
+ return 0;
}
/* This function is only called when vboot_loader_active() returns 1. That
@@ -160,7 +163,7 @@ static uintptr_t vboot_fw_region(int fw_index, struct vboot_region *fw_main,
static int vboot_prepare(struct prog *prog)
{
struct vb2_working_data *wd;
- struct vboot_region fw_main;
+ struct region fw_main;
struct vboot_components *fw_info;
/* Code size optimization. We'd never actually get called under the
@@ -202,25 +205,22 @@ static int vboot_prepare(struct prog *prog)
/* Load payload in ramstage. */
if (ENV_RAMSTAGE) {
- uintptr_t payload;
+ struct region payload;
void *payload_ptr;
- size_t size;
-
- payload = vboot_fw_region(CONFIG_VBOOT_BOOT_LOADER_INDEX,
- &fw_main, fw_info, &size);
- if (payload == 0)
+ if (vboot_fw_region(CONFIG_VBOOT_BOOT_LOADER_INDEX,
+ &fw_main, fw_info, &payload))
die("Couldn't load payload.");
- payload_ptr = vboot_get_region(payload, size, NULL);
+ payload_ptr = vboot_get_region(region_offset(&payload),
+ region_sz(&payload), NULL);
if (payload_ptr == NULL)
die("Couldn't load payload.");
- prog_set_area(prog, payload_ptr, size);
+ prog_set_area(prog, payload_ptr, region_sz(&payload));
} else {
- uintptr_t stage;
- size_t size;
+ struct region stage;
int stage_index = 0;
if (prog->type == PROG_ROMSTAGE)
@@ -230,22 +230,31 @@ static int vboot_prepare(struct prog *prog)
else
die("Invalid program type for vboot.");
- stage = vboot_fw_region(stage_index, &fw_main, fw_info, &size);
-
- if (stage == 0)
+ if (vboot_fw_region(stage_index, &fw_main, fw_info, &stage))
die("Vboot stage load failed.");
if (ENV_ROMSTAGE && IS_ENABLED(CONFIG_RELOCATABLE_RAMSTAGE)) {
+ void *stage_ptr;
struct rmod_stage_load rmod_ram = {
.cbmem_id = CBMEM_ID_RAMSTAGE,
.prog = prog,
};
- if (rmodule_stage_load(&rmod_ram, (void *)stage))
+ stage_ptr = vboot_get_region(region_offset(&stage),
+ region_sz(&stage), NULL);
+
+ if (stage_ptr == NULL)
+ die("Vboot couldn't load stage.");
+
+ if (rmodule_stage_load(&rmod_ram, stage_ptr))
die("Vboot couldn't load stage");
- } else if (cbfs_load_prog_stage_by_offset(CBFS_DEFAULT_MEDIA,
- prog, stage) < 0)
- die("Vboot couldn't load stage");
+ } else {
+ size_t offset = region_offset(&stage);
+
+ if (cbfs_load_prog_stage_by_offset(CBFS_DEFAULT_MEDIA,
+ prog, offset))
+ die("Vboot couldn't load stage");
+ }
}
return 0;
diff --git a/src/vendorcode/google/chromeos/vboot2/verstage.c b/src/vendorcode/google/chromeos/vboot2/verstage.c
index fcf1a11..249053c 100644
--- a/src/vendorcode/google/chromeos/vboot2/verstage.c
+++ b/src/vendorcode/google/chromeos/vboot2/verstage.c
@@ -67,7 +67,7 @@ int vb2ex_read_resource(struct vb2_context *ctx,
void *buf,
uint32_t size)
{
- struct vboot_region region;
+ struct region region;
switch (index) {
case VB2_RES_GBB:
@@ -83,10 +83,10 @@ int vb2ex_read_resource(struct vb2_context *ctx,
return VB2_ERROR_EX_READ_RESOURCE_INDEX;
}
- if (offset + size > region.size)
+ if (offset + size > region_sz(&region))
return VB2_ERROR_EX_READ_RESOURCE_SIZE;
- if (vboot_get_region(region.offset_addr + offset, size, buf) == NULL)
+ if (vboot_get_region(region_offset(&region) + offset, size, buf) == NULL)
return VB2_ERROR_UNKNOWN;
return VB2_SUCCESS;
@@ -114,13 +114,13 @@ int vb2ex_hwcrypto_digest_finalize(uint8_t *digest, uint32_t digest_size)
return VB2_ERROR_UNKNOWN;
}
-static int hash_body(struct vb2_context *ctx, struct vboot_region *fw_main)
+static int hash_body(struct vb2_context *ctx, struct region *fw_main)
{
uint64_t load_ts;
uint32_t expected_size;
MAYBE_STATIC uint8_t block[TODO_BLOCK_SIZE];
size_t block_size = sizeof(block);
- uintptr_t offset;
+ size_t offset;
int rv;
/*
@@ -132,8 +132,8 @@ static int hash_body(struct vb2_context *ctx, struct vboot_region *fw_main)
load_ts = timestamp_get();
timestamp_add(TS_START_HASH_BODY, load_ts);
- expected_size = fw_main->size;
- offset = fw_main->offset_addr;
+ expected_size = region_sz(fw_main);
+ offset = region_offset(fw_main);
/* Start the body hash */
rv = vb2api_init_hash(ctx, VB2_HASH_TAG_FW_BODY, &expected_size);
@@ -174,15 +174,14 @@ static int hash_body(struct vb2_context *ctx, struct vboot_region *fw_main)
return VB2_SUCCESS;
}
-static int locate_firmware(struct vb2_context *ctx,
- struct vboot_region *fw_main)
+static int locate_firmware(struct vb2_context *ctx, struct region *fw_main)
{
if (is_slot_a(ctx))
vboot_locate_region("FW_MAIN_A", fw_main);
else
vboot_locate_region("FW_MAIN_B", fw_main);
- if (fw_main->size < 0)
+ if (region_sz(fw_main) == 0)
return 1;
return 0;
@@ -220,7 +219,7 @@ static uint32_t extend_pcrs(struct vb2_context *ctx)
void verstage_main(void)
{
struct vb2_context ctx;
- struct vboot_region fw_main;
+ struct region fw_main;
struct vb2_working_data *wd = vboot_get_working_data();
int rv;
timestamp_add_now(TS_START_VBOOT);
diff --git a/src/vendorcode/google/chromeos/vboot_common.c b/src/vendorcode/google/chromeos/vboot_common.c
index dfaefdb..f593c7b 100644
--- a/src/vendorcode/google/chromeos/vboot_common.c
+++ b/src/vendorcode/google/chromeos/vboot_common.c
@@ -18,7 +18,7 @@
*/
#include <boot/coreboot_tables.h>
-#include <cbfs.h>
+#include <boot_device.h>
#include <cbmem.h>
#include <console/cbmem_console.h>
#include <console/console.h>
@@ -31,36 +31,42 @@
#include "vboot_common.h"
#include "vboot_handoff.h"
-void vboot_locate_region(const char *name, struct vboot_region *region)
+void vboot_locate_region(const char *name, struct region *region)
{
- region->size = find_fmap_entry(name, (void **)&region->offset_addr);
+ const struct fmap_area *area;
+
+ region->size = 0;
+
+ area = find_fmap_area(fmap_find(), name);
+
+ if (area != NULL) {
+ region->offset = area->offset;
+ region->size = area->size;
+ }
}
-void *vboot_get_region(uintptr_t offset_addr, size_t size, void *dest)
+void *vboot_get_region(size_t offset, size_t size, void *dest)
{
- if (IS_ENABLED(CONFIG_SPI_FLASH_MEMORY_MAPPED)) {
- if (dest != NULL)
- return memcpy(dest, (void *)offset_addr, size);
- else
- return (void *)offset_addr;
- } else {
- struct cbfs_media default_media, *media = &default_media;
- void *cache;
-
- init_default_cbfs_media(media);
- media->open(media);
- if (dest != NULL) {
- cache = dest;
- if (media->read(media, dest, offset_addr, size) != size)
- cache = NULL;
- } else {
- cache = media->map(media, offset_addr, size);
- if (cache == CBFS_MEDIA_INVALID_MAP_ADDRESS)
- cache = NULL;
- }
- media->close(media);
- return cache;
- }
+ const struct region_device *boot_dev;
+ struct region_device rdev;
+
+ boot_device_init();
+ boot_dev = boot_device_ro();
+
+ if (boot_dev == NULL)
+ return NULL;
+
+ if (rdev_chain(&rdev, boot_dev, offset, size))
+ return NULL;
+
+ /* Each call will leak a mapping. */
+ if (dest == NULL)
+ return rdev_mmap_full(&rdev);
+
+ if (rdev_readat(&rdev, dest, 0, size) != size)
+ return NULL;
+
+ return dest;
}
int vboot_get_handoff_info(void **addr, uint32_t *size)
@@ -78,7 +84,7 @@ int vboot_get_handoff_info(void **addr, uint32_t *size)
}
/* This will leak a mapping of a fw region */
-struct vboot_components *vboot_locate_components(struct vboot_region *region)
+struct vboot_components *vboot_locate_components(struct region *region)
{
size_t req_size;
struct vboot_components *vbc;
@@ -87,7 +93,7 @@ struct vboot_components *vboot_locate_components(struct vboot_region *region)
req_size += sizeof(struct vboot_component_entry) *
MAX_PARSED_FW_COMPONENTS;
- vbc = vboot_get_region(region->offset_addr, req_size, NULL);
+ vbc = vboot_get_region(region_offset(region), req_size, NULL);
if (vbc && vbc->num_components > MAX_PARSED_FW_COMPONENTS)
vbc = NULL;
diff --git a/src/vendorcode/google/chromeos/vboot_common.h b/src/vendorcode/google/chromeos/vboot_common.h
index 3704d97..4b03466 100644
--- a/src/vendorcode/google/chromeos/vboot_common.h
+++ b/src/vendorcode/google/chromeos/vboot_common.h
@@ -20,11 +20,7 @@
#define VBOOT_COMMON_H
#include <stdint.h>
-
-struct vboot_region {
- uintptr_t offset_addr;
- int32_t size;
-};
+#include <region.h>
/* The FW areas consist of multiple components. At the beginning of
* each area is the number of total compoments as well as the size and
@@ -40,9 +36,9 @@ struct vboot_components {
struct vboot_component_entry entries[0];
} __attribute__((packed));
-void vboot_locate_region(const char *name, struct vboot_region *region);
+void vboot_locate_region(const char *name, struct region *region);
-struct vboot_components *vboot_locate_components(struct vboot_region *region);
+struct vboot_components *vboot_locate_components(struct region *region);
/*
* This is a dual purpose routine. If dest is non-NULL the region at
@@ -50,6 +46,6 @@ struct vboot_components *vboot_locate_components(struct vboot_region *region);
* is NULL,the region will be mapped to a memory location. NULL is
* returned on error else the location of the requested region.
*/
-void *vboot_get_region(uintptr_t offset_addr, size_t size, void *dest);
+void *vboot_get_region(size_t offset, size_t size, void *dest);
#endif /* VBOOT_COMMON_H */
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