diff options
| -rw-r--r-- | arch/riscv/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/riscv/lib/image.c | 55 | ||||
| -rw-r--r-- | cmd/Kconfig | 2 | ||||
| -rw-r--r-- | cmd/booti.c | 8 |
4 files changed, 63 insertions, 3 deletions
diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile index 1c332db436..6ae6ebbeaf 100644 --- a/arch/riscv/lib/Makefile +++ b/arch/riscv/lib/Makefile @@ -7,6 +7,7 @@ # Rick Chen, Andes Technology Corporation <rick@andestech.com> obj-$(CONFIG_CMD_BOOTM) += bootm.o +obj-$(CONFIG_CMD_BOOTI) += bootm.o image.o obj-$(CONFIG_CMD_GO) += boot.o obj-y += cache.o obj-$(CONFIG_RISCV_RDTIME) += rdtime.o diff --git a/arch/riscv/lib/image.c b/arch/riscv/lib/image.c new file mode 100644 index 0000000000..d063beb7df --- /dev/null +++ b/arch/riscv/lib/image.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Western Digital Corporation or its affiliates. + * Authors: + * Atish Patra <atish.patra@wdc.com> + * Based on arm/lib/image.c + */ + +#include <common.h> +#include <mapmem.h> +#include <errno.h> +#include <linux/sizes.h> +#include <linux/stddef.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ASCII version of "RISCV" defined in Linux kernel */ +#define LINUX_RISCV_IMAGE_MAGIC 0x5643534952 + +struct linux_image_h { + uint32_t code0; /* Executable code */ + uint32_t code1; /* Executable code */ + uint64_t text_offset; /* Image load offset */ + uint64_t image_size; /* Effective Image size */ + uint64_t res1; /* reserved */ + uint64_t res2; /* reserved */ + uint64_t res3; /* reserved */ + uint64_t magic; /* Magic number */ + uint32_t res4; /* reserved */ + uint32_t res5; /* reserved */ +}; + +int booti_setup(ulong image, ulong *relocated_addr, ulong *size, + bool force_reloc) +{ + struct linux_image_h *lhdr; + + lhdr = (struct linux_image_h *)map_sysmem(image, 0); + + if (lhdr->magic != LINUX_RISCV_IMAGE_MAGIC) { + puts("Bad Linux RISCV Image magic!\n"); + return -EINVAL; + } + + if (lhdr->image_size == 0) { + puts("Image lacks image_size field, error!\n"); + return -EINVAL; + } + *size = lhdr->image_size; + *relocated_addr = gd->ram_base + lhdr->text_offset; + + unmap_sysmem(lhdr); + + return 0; +} diff --git a/cmd/Kconfig b/cmd/Kconfig index 069e0ea730..4e11e0f404 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -223,7 +223,7 @@ config CMD_BOOTZ config CMD_BOOTI bool "booti" - depends on ARM64 + depends on ARM64 || RISCV default y help Boot an AArch64 Linux Kernel image from memory. diff --git a/cmd/booti.c b/cmd/booti.c index 04353b68ec..c36b0235df 100644 --- a/cmd/booti.c +++ b/cmd/booti.c @@ -77,7 +77,11 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) bootm_disable_interrupts(); images.os.os = IH_OS_LINUX; +#ifdef CONFIG_RISCV_SMODE + images.os.arch = IH_ARCH_RISCV; +#elif CONFIG_ARM64 images.os.arch = IH_ARCH_ARM64; +#endif ret = do_bootm_states(cmdtp, flag, argc, argv, #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH BOOTM_STATE_RAMDISK | @@ -92,7 +96,7 @@ int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #ifdef CONFIG_SYS_LONGHELP static char booti_help_text[] = "[addr [initrd[:size]] [fdt]]\n" - " - boot arm64 Linux Image stored in memory\n" + " - boot Linux 'Image' stored at 'addr'\n" "\tThe argument 'initrd' is optional and specifies the address\n" "\tof an initrd in memory. The optional parameter ':size' allows\n" "\tspecifying the size of a RAW initrd.\n" @@ -107,5 +111,5 @@ static char booti_help_text[] = U_BOOT_CMD( booti, CONFIG_SYS_MAXARGS, 1, do_booti, - "boot arm64 Linux Image image from memory", booti_help_text + "boot Linux kernel 'Image' format from memory", booti_help_text ); |