diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2014-06-30 08:28:17 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2015-01-27 01:43:17 +0100 |
| commit | 1989a53adef7655ea6280a4c6ffd030748335213 (patch) | |
| tree | 24935fd442b2f9ab8ee8f475d09ee8de2d45ea30 /src/vendorcode | |
| parent | bcc1d422a2508dc54737fd941336c8cc09c51de1 (diff) | |
vboot2: implement vb2ex_read_resource
TEST=Built with VBOOT2_VERIFY_FIRMWARE on/off. Booted Nyan Blaze.
BUG=None
BRANCH=none
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Change-Id: I633f9dddbf8b2f25797aacc246bcebaafb02bea4
Original-Reviewed-on: https://chromium-review.googlesource.com/206063
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
(cherry picked from commit 1f215672de31847cc647e83d2c04633b7f8dfa33)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Change-Id: I57f449b052132b300f7bca4351871c539a7a8694
Reviewed-on: http://review.coreboot.org/8161
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/vendorcode')
| -rw-r--r-- | src/vendorcode/google/chromeos/vboot_main.c | 55 |
1 files changed, 37 insertions, 18 deletions
diff --git a/src/vendorcode/google/chromeos/vboot_main.c b/src/vendorcode/google/chromeos/vboot_main.c index 9779d35eea..907afd73b3 100644 --- a/src/vendorcode/google/chromeos/vboot_main.c +++ b/src/vendorcode/google/chromeos/vboot_main.c @@ -31,6 +31,23 @@ struct vboot_region { int32_t size; }; +static void locate_region(const char *name, struct vboot_region *region) +{ + region->size = find_fmap_entry(name, (void **)®ion->offset_addr); + VBDEBUG("Located %s @%x\n", name, region->offset_addr); +} + +static int is_slot_a(struct vb2_context *ctx) +{ + return !(ctx->flags & VB2_CONTEXT_FW_SLOT_B); +} + +static int in_ro(void) +{ + /* TODO: Implement */ + return 1; +} + /* exports */ void vb2ex_printf(const char *func, const char *fmt, ...) @@ -57,27 +74,29 @@ int vb2ex_read_resource(struct vb2_context *ctx, void *buf, uint32_t size) { - VBDEBUG("Reading resource\n"); - return VB2_ERROR_UNKNOWN; -} + struct vboot_region region; + + switch (index) { + case VB2_RES_GBB: + locate_region("GBB", ®ion); + break; + case VB2_RES_FW_VBLOCK: + if (is_slot_a(ctx)) + locate_region("VBLOCK_A", ®ion); + else + locate_region("VBLOCK_B", ®ion); + break; + default: + return VB2_ERROR_EX_READ_RESOURCE_INDEX; + } -/* locals */ + if (offset + size > region.size) + return VB2_ERROR_EX_READ_RESOURCE_SIZE; -static void locate_region(const char *name, struct vboot_region *region) -{ - region->size = find_fmap_entry(name, (void **)®ion->offset_addr); - VBDEBUG("Located %s @%x\n", name, region->offset_addr); -} + if (vboot_get_region(region.offset_addr + offset, size, buf) == NULL) + return VB2_ERROR_UNKNOWN; -static int is_slot_a(struct vb2_context *ctx) -{ - return !(ctx->flags & VB2_CONTEXT_FW_SLOT_B); -} - -static int in_ro(void) -{ - /* TODO: Implement */ - return 1; + return VB2_SUCCESS; } static void reboot(void) |