f70bd99d2a
unused includes of <stdin.h> found using following commande: diff <(git grep -l '#include <stdint.h>' -- src/) <(git grep -l 'int8_t\|uint8_t\|int16_t\|uint16_t\|int32_t\|uint32_t\|int64_t\| uint64_t\|intptr_t\|uintptr_t\|intmax_t\|uintmax_t\|s8\|u8\|s16\| u16\|s32\|u32\|s64\|u64\|INT8_MIN\|INT8_MAX\|UINT8_MAX\|INT16_MIN\ |INT16_MAX\|UINT16_MAX\|INT32_MIN\|INT32_MAX\|UINT32_MAX\|INT64_MIN\ |INT64_MAX\|UINT64_MAX\|INTMAX_MIN\|INTMAX_MAX\|UINTMAX_MAX' -- src/) |grep '<' |grep -v vendor |grep -vF '.h' Change-Id: Icb9b54c6abfb18d1e263665981968a4d7cccabeb Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41148 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <assert.h>
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#include <cbmem.h>
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#include <console/console.h>
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#include <fmap.h>
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#include <symbols.h>
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#include <vb2_api.h>
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#include <security/vboot/misc.h>
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#include <security/vboot/symbols.h>
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#include <security/vboot/vboot_common.h>
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static struct vb2_context *vboot_ctx;
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static void *vboot_get_workbuf(void)
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{
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void *wb = NULL;
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if (cbmem_possibly_online())
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wb = cbmem_find(CBMEM_ID_VBOOT_WORKBUF);
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if (wb == NULL && CONFIG(VBOOT_STARTS_IN_BOOTBLOCK) &&
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preram_symbols_available())
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wb = _vboot2_work;
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assert(wb != NULL);
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return wb;
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}
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struct vb2_context *vboot_get_context(void)
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{
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void *wb;
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/* Return if context has already been initialized/restored. */
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if (vboot_ctx)
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return vboot_ctx;
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wb = vboot_get_workbuf();
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/* Restore context from a previous stage. */
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if (vboot_logic_executed()) {
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assert(vb2api_reinit(wb, &vboot_ctx) == VB2_SUCCESS);
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return vboot_ctx;
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}
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assert(verification_should_run());
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/* Initialize vb2_shared_data and friends. */
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assert(vb2api_init(wb, VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE,
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&vboot_ctx) == VB2_SUCCESS);
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return vboot_ctx;
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}
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int vboot_locate_firmware(struct vb2_context *ctx, struct region_device *fw)
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{
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const char *name;
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if (vboot_is_firmware_slot_a(ctx))
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name = "FW_MAIN_A";
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else
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name = "FW_MAIN_B";
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int ret = fmap_locate_area_as_rdev(name, fw);
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if (ret)
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return ret;
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/* Truncate area to the size that was actually signed by vboot. */
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return rdev_chain(fw, fw, 0, vb2api_get_firmware_size(ctx));
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}
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static void vboot_setup_cbmem(int unused)
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{
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vb2_error_t rv;
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const size_t cbmem_size = VB2_KERNEL_WORKBUF_RECOMMENDED_SIZE;
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void *wb_cbmem = cbmem_add(CBMEM_ID_VBOOT_WORKBUF, cbmem_size);
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assert(wb_cbmem != NULL);
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/*
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* For platforms where VBOOT_STARTS_IN_BOOTBLOCK, vboot verification
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* occurs before CBMEM is brought online, using pre-RAM. In order to
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* make vboot data structures available downstream, copy vboot workbuf
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* from SRAM/CAR into CBMEM.
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*
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* For platforms where VBOOT_STARTS_IN_ROMSTAGE, verification occurs
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* after CBMEM is brought online. Directly initialize vboot data
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* structures in CBMEM, which will also be available downstream.
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*/
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if (CONFIG(VBOOT_STARTS_IN_BOOTBLOCK))
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rv = vb2api_relocate(wb_cbmem, _vboot2_work, cbmem_size,
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&vboot_ctx);
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else
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rv = vb2api_init(wb_cbmem, cbmem_size, &vboot_ctx);
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assert(rv == VB2_SUCCESS);
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}
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ROMSTAGE_CBMEM_INIT_HOOK(vboot_setup_cbmem)
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