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sandbox: implement runtime system reset

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Implement a reset function that we can call after ExitBootServices(),
when all driver model devices are gone.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2020-12-02 16:22:11 +01:00 • committed by Simon Glass
parent 67c7e9af7a
commit 9c54729c77
2 changed files with 12 additions and 1 deletions
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10
arch/sandbox/cpu/start.c
View file

@ -6,6 +6,7 @@
#include <common.h> #include <common.h>
#include <command.h> #include <command.h>
#include <dm/root.h> #include <dm/root.h>
#include <efi_loader.h>
#include <errno.h> #include <errno.h>
#include <init.h> #include <init.h>
#include <os.h> #include <os.h>
@ -406,6 +407,15 @@ void state_show(struct sandbox_state *state)
printf("\n"); printf("\n");
} }
void __efi_runtime EFIAPI efi_reset_system(
enum efi_reset_type reset_type,
efi_status_t reset_status,
unsigned long data_size, void *reset_data)
{
os_fd_restore();
os_relaunch(os_argv);
}
void sandbox_reset(void) void sandbox_reset(void)
{ {
/* Do this here while it still has an effect */ /* Do this here while it still has an effect */

3
lib/efi_loader/Kconfig
View file

@ -233,7 +233,8 @@ config EFI_HAVE_RUNTIME_RESET
# bool "Reset runtime service is available" # bool "Reset runtime service is available"
bool bool
default y default y
depends on ARCH_BCM283X || FSL_LAYERSCAPE || PSCI_RESET || SYSRESET_X86 depends on ARCH_BCM283X || FSL_LAYERSCAPE || PSCI_RESET || \
SANDBOX || SYSRESET_X86
config EFI_GRUB_ARM32_WORKAROUND config EFI_GRUB_ARM32_WORKAROUND
bool "Workaround for GRUB on 32bit ARM" bool "Workaround for GRUB on 32bit ARM"