Module Name: src
Committed By: jmcneill
Date: Sat Oct 15 11:19:23 UTC 2022
Modified Files:
src/sys/arch/arm/arm: efi_runtime.c
Log Message:
Add a boot option to disable EFI runtime services.
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/arm/arm/efi_runtime.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/arm/efi_runtime.c
diff -u src/sys/arch/arm/arm/efi_runtime.c:1.9 src/sys/arch/arm/arm/efi_runtime.c:1.10
--- src/sys/arch/arm/arm/efi_runtime.c:1.9 Sat Jun 18 08:13:44 2022
+++ src/sys/arch/arm/arm/efi_runtime.c Sat Oct 15 11:19:23 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: efi_runtime.c,v 1.9 2022/06/18 08:13:44 skrll Exp $ */
+/* $NetBSD: efi_runtime.c,v 1.10 2022/10/15 11:19:23 jmcneill Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
#include "efi.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: efi_runtime.c,v 1.9 2022/06/18 08:13:44 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: efi_runtime.c,v 1.10 2022/10/15 11:19:23 jmcneill Exp $");
#include <sys/param.h>
#include <sys/mutex.h>
@@ -43,6 +43,7 @@ __KERNEL_RCSID(0, "$NetBSD: efi_runtime.
#include <dev/efivar.h>
#include <arm/arm/efi_runtime.h>
+#include <arm/bootconfig.h>
#ifdef _LP64
#define EFIERR(x) (0x8000000000000000 | x)
@@ -77,6 +78,12 @@ arm_efirt_init(paddr_t efi_system_table)
const size_t sz = PAGE_SIZE * 2;
vaddr_t va, cva;
paddr_t cpa;
+ int val;
+
+ if (get_bootconf_option(boot_args, "noefirt",
+ BOOTOPT_TYPE_BOOLEAN, &val) && val) {
+ return ENXIO;
+ }
va = uvm_km_alloc(kernel_map, sz, 0, UVM_KMF_VAONLY);
if (va == 0) {
