kconfig / kbuild: Re-sync with Linux 4.19

[oweals/u-boot.git] / common / bootm_os.c

diff --git a/common/bootm_os.c b/common/bootm_os.c
index 31b1878dc4a597b015c8b1701035997d19731736..1d58462509cc07111c0eeadcd0029ffcee2b9705 100644 (file)
--- a/common/bootm_os.c
+++ b/common/bootm_os.c
@@ -1,16 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2000-2009
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <bootm.h>
+#include <cpu_func.h>
+#include <efi_loader.h>
+#include <env.h>
 #include <fdt_support.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
 #include <malloc.h>
+#include <mapmem.h>
 #include <vxworks.h>
+#include <tee/optee.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -260,7 +264,7 @@ static int do_bootm_plan9(int flag, int argc, char * const argv[],
 #if defined(CONFIG_BOOTM_VXWORKS) && \
        (defined(CONFIG_PPC) || defined(CONFIG_ARM))
 
-void do_bootvx_fdt(bootm_headers_t *images)
+static void do_bootvx_fdt(bootm_headers_t *images)
 {
 #if defined(CONFIG_OF_LIBFDT)
        int ret;
@@ -317,8 +321,8 @@ void do_bootvx_fdt(bootm_headers_t *images)
        puts("## vxWorks terminated\n");
 }
 
-static int do_bootm_vxworks(int flag, int argc, char * const argv[],
-                            bootm_headers_t *images)
+static int do_bootm_vxworks_legacy(int flag, int argc, char * const argv[],
+                                  bootm_headers_t *images)
 {
        if (flag != BOOTM_STATE_OS_GO)
                return 0;
@@ -334,6 +338,41 @@ static int do_bootm_vxworks(int flag, int argc, char * const argv[],
 
        return 1;
 }
+
+int do_bootm_vxworks(int flag, int argc, char * const argv[],
+                    bootm_headers_t *images)
+{
+       char *bootargs;
+       int pos;
+       unsigned long vxflags;
+       bool std_dtb = false;
+
+       /* get bootargs env */
+       bootargs = env_get("bootargs");
+
+       if (bootargs != NULL) {
+               for (pos = 0; pos < strlen(bootargs); pos++) {
+                       /* find f=0xnumber flag */
+                       if ((bootargs[pos] == '=') && (pos >= 1) &&
+                           (bootargs[pos - 1] == 'f')) {
+                               vxflags = simple_strtoul(&bootargs[pos + 1],
+                                                        NULL, 16);
+                               if (vxflags & VXWORKS_SYSFLG_STD_DTB)
+                                       std_dtb = true;
+                       }
+               }
+       }
+
+       if (std_dtb) {
+               if (flag & BOOTM_STATE_OS_PREP)
+                       printf("   Using standard DTB\n");
+               return do_bootm_linux(flag, argc, argv, images);
+       } else {
+               if (flag & BOOTM_STATE_OS_PREP)
+                       printf("   !!! WARNING !!! Using legacy DTB\n");
+               return do_bootm_vxworks_legacy(flag, argc, argv, images);
+       }
+}
 #endif
 
 #if defined(CONFIG_CMD_ELF)
@@ -433,6 +472,85 @@ static int do_bootm_openrtos(int flag, int argc, char * const argv[],
 }
 #endif
 
+#ifdef CONFIG_BOOTM_OPTEE
+static int do_bootm_tee(int flag, int argc, char * const argv[],
+                       bootm_headers_t *images)
+{
+       int ret;
+
+       /* Verify OS type */
+       if (images->os.os != IH_OS_TEE) {
+               return 1;
+       };
+
+       /* Validate OPTEE header */
+       ret = optee_verify_bootm_image(images->os.image_start,
+                                      images->os.load,
+                                      images->os.image_len);
+       if (ret)
+               return ret;
+
+       /* Locate FDT etc */
+       ret = bootm_find_images(flag, argc, argv);
+       if (ret)
+               return ret;
+
+       /* From here we can run the regular linux boot path */
+       return do_bootm_linux(flag, argc, argv, images);
+}
+#endif
+
+#ifdef CONFIG_BOOTM_EFI
+static int do_bootm_efi(int flag, int argc, char * const argv[],
+                       bootm_headers_t *images)
+{
+       int ret;
+       efi_status_t efi_ret;
+       void *image_buf;
+
+       if (flag != BOOTM_STATE_OS_GO)
+               return 0;
+
+       /* Locate FDT, if provided */
+       ret = bootm_find_images(flag, argc, argv);
+       if (ret)
+               return ret;
+
+       /* Initialize EFI drivers */
+       efi_ret = efi_init_obj_list();
+       if (efi_ret != EFI_SUCCESS) {
+               printf("## Failed to initialize UEFI sub-system: r = %lu\n",
+                      efi_ret & ~EFI_ERROR_MASK);
+               return 1;
+       }
+
+       /* Install device tree */
+       efi_ret = efi_install_fdt(images->ft_len
+                                 ? images->ft_addr : EFI_FDT_USE_INTERNAL);
+       if (efi_ret != EFI_SUCCESS) {
+               printf("## Failed to install device tree: r = %lu\n",
+                      efi_ret & ~EFI_ERROR_MASK);
+               return 1;
+       }
+
+       /* Run EFI image */
+       printf("## Transferring control to EFI (at address %08lx) ...\n",
+              images->ep);
+       bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+       image_buf = map_sysmem(images->ep, images->os.image_len);
+
+       efi_ret = efi_run_image(image_buf, images->os.image_len);
+       if (efi_ret != EFI_SUCCESS) {
+               printf("## Failed to run EFI image: r = %lu\n",
+                      efi_ret & ~EFI_ERROR_MASK);
+               return 1;
+       }
+
+       return 0;
+}
+#endif
+
 static boot_os_fn *boot_os[] = {
        [IH_OS_U_BOOT] = do_bootm_standalone,
 #ifdef CONFIG_BOOTM_LINUX
@@ -454,7 +572,7 @@ static boot_os_fn *boot_os[] = {
        [IH_OS_PLAN9] = do_bootm_plan9,
 #endif
 #if defined(CONFIG_BOOTM_VXWORKS) && \
-       (defined(CONFIG_PPC) || defined(CONFIG_ARM))
+       (defined(CONFIG_PPC) || defined(CONFIG_ARM) || defined(CONFIG_RISCV))
        [IH_OS_VXWORKS] = do_bootm_vxworks,
 #endif
 #if defined(CONFIG_CMD_ELF)
@@ -466,6 +584,12 @@ static boot_os_fn *boot_os[] = {
 #ifdef CONFIG_BOOTM_OPENRTOS
        [IH_OS_OPENRTOS] = do_bootm_openrtos,
 #endif
+#ifdef CONFIG_BOOTM_OPTEE
+       [IH_OS_TEE] = do_bootm_tee,
+#endif
+#ifdef CONFIG_BOOTM_EFI
+       [IH_OS_EFI] = do_bootm_efi,
+#endif
 };
 
 /* Allow for arch specific config before we boot */
@@ -474,10 +598,17 @@ __weak void arch_preboot_os(void)
        /* please define platform specific arch_preboot_os() */
 }
 
+/* Allow for board specific config before we boot */
+__weak void board_preboot_os(void)
+{
+       /* please define board specific board_preboot_os() */
+}
+
 int boot_selected_os(int argc, char * const argv[], int state,
                     bootm_headers_t *images, boot_os_fn *boot_fn)
 {
        arch_preboot_os();
+       board_preboot_os();
        boot_fn(state, argc, argv, images);
 
        /* Stand-alone may return when 'autostart' is 'no' */