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Diffstat (limited to 'src/soc/amd/picasso')
-rw-r--r--src/soc/amd/picasso/psp_verstage/psp_verstage.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/soc/amd/picasso/psp_verstage/psp_verstage.c b/src/soc/amd/picasso/psp_verstage/psp_verstage.c
index 005c8b0ac9..d071aa6624 100644
--- a/src/soc/amd/picasso/psp_verstage/psp_verstage.c
+++ b/src/soc/amd/picasso/psp_verstage/psp_verstage.c
@@ -29,6 +29,16 @@ static void reboot_into_recovery(struct vb2_context *ctx, uint32_t subcode)
subcode += PSP_VBOOT_ERROR_SUBCODE;
svc_write_postcode(subcode);
+ /*
+ * If there's an error but the PSP_verstage is already booting to RO,
+ * don't reset the system. It may be that the error is fatal, but if
+ * the system is stuck, don't intentionally force it into a reboot loop.
+ */
+ if (ctx->flags & VB2_CONTEXT_RECOVERY_MODE) {
+ printk(BIOS_ERR, "Already in recovery mode. Staying in RO.\n");
+ return;
+ }
+
vb2api_fail(ctx, VB2_RECOVERY_RO_UNSPECIFIED, (int)subcode);
vboot_save_data(ctx);
@@ -231,21 +241,20 @@ void Main(void)
verstage_main();
- vb2api_relocate(_vboot2_work, _vboot2_work, VB2_FIRMWARE_WORKBUF_RECOMMENDED_SIZE,
- &ctx);
+ ctx = vboot_get_context();
retval = check_cmos_recovery();
if (retval)
- goto err;
+ reboot_into_recovery(ctx, retval);
post_code(POSTCODE_SAVE_BUFFERS);
retval = save_buffers(&ctx);
if (retval)
- goto err;
+ reboot_into_recovery(ctx, retval);
post_code(POSTCODE_UPDATE_BOOT_REGION);
retval = update_boot_region(ctx);
if (retval)
- goto err;
+ reboot_into_recovery(ctx, retval);
post_code(POSTCODE_UNMAP_SPI_ROM);
if (boot_dev.base) {
@@ -260,9 +269,6 @@ void Main(void)
printk(BIOS_DEBUG, "Leaving verstage on PSP\n");
svc_exit(retval);
-
-err:
- reboot_into_recovery(ctx, retval);
}
const struct region_device *boot_device_ro(void)