diff options
Diffstat (limited to 'src/security')
-rw-r--r-- | src/security/vboot/common.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/src/security/vboot/common.c b/src/security/vboot/common.c index 2348d31088..5b49ebffb7 100644 --- a/src/security/vboot/common.c +++ b/src/security/vboot/common.c @@ -25,19 +25,6 @@ #include <security/vboot/symbols.h> #include <security/vboot/vboot_common.h> -/* TODO(kitching): Use VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE instead. */ -static size_t vboot_working_data_size(void) -{ - if (CONFIG(VBOOT_STARTS_IN_ROMSTAGE)) - return 12 * KiB; - - else if (CONFIG(VBOOT_STARTS_IN_BOOTBLOCK) && - preram_symbols_available()) - return REGION_SIZE(vboot2_work); - - die("impossible!"); -} - struct vboot_working_data * const vboot_get_working_data(void) { struct vboot_working_data *wd = NULL; @@ -58,16 +45,17 @@ void vboot_init_work_context(struct vb2_context *ctx) { struct vboot_working_data *wd; - /* First initialize the working data struct. */ + /* First initialize the working data region. */ wd = vboot_get_working_data(); - memset(wd, 0, sizeof(struct vboot_working_data)); + memset(wd, 0, VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE); /* * vboot prefers 16-byte alignment. This takes away 16 bytes * from the VBOOT2_WORK region, but the vboot devs said that's okay. */ wd->buffer_offset = ALIGN_UP(sizeof(*wd), 16); - wd->buffer_size = vboot_working_data_size() - wd->buffer_offset; + wd->buffer_size = VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE + - wd->buffer_offset; /* Initialize the vb2_context. */ memset(ctx, 0, sizeof(*ctx)); @@ -157,7 +145,8 @@ ROMSTAGE_CBMEM_INIT_HOOK(vboot_migrate_cbmem) static void vboot_setup_cbmem(int unused) { struct vboot_working_data *wd_cbmem = - cbmem_add(CBMEM_ID_VBOOT_WORKBUF, vboot_working_data_size()); + cbmem_add(CBMEM_ID_VBOOT_WORKBUF, + VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE); assert(wd_cbmem != NULL); } ROMSTAGE_CBMEM_INIT_HOOK(vboot_setup_cbmem) |