diff options
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/arm/arm.h | 9 | ||||
| -rw-r--r-- | include/hw/arm/virt.h | 1 | ||||
| -rw-r--r-- | include/hw/elf_ops.h | 22 | ||||
| -rw-r--r-- | include/hw/loader.h | 59 |
4 files changed, 87 insertions, 4 deletions
diff --git a/include/hw/arm/arm.h b/include/hw/arm/arm.h index 52ecf4aa8f..b2517f9a43 100644 --- a/include/hw/arm/arm.h +++ b/include/hw/arm/arm.h @@ -16,6 +16,13 @@ #include "qemu/notify.h" #include "cpu.h" +typedef enum { + ARM_ENDIANNESS_UNKNOWN = 0, + ARM_ENDIANNESS_LE, + ARM_ENDIANNESS_BE8, + ARM_ENDIANNESS_BE32, +} arm_endianness; + /* armv7m.c */ DeviceState *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq, const char *kernel_filename, const char *cpu_model); @@ -103,6 +110,8 @@ struct arm_boot_info { * changing to non-secure state if implementing a non-secure boot */ bool secure_board_setup; + + arm_endianness endianness; }; /** diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 1ce7847ae6..ecd8589603 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -61,6 +61,7 @@ enum { VIRT_PCIE_MMIO_HIGH, VIRT_GPIO, VIRT_SECURE_UART, + VIRT_SECURE_MEM, }; typedef struct MemMapEntry { diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index 0010c441d9..f510e7ec2a 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -263,7 +263,7 @@ static int glue(load_elf, SZ)(const char *name, int fd, void *translate_opaque, int must_swab, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, - int elf_machine, int clear_lsb) + int elf_machine, int clear_lsb, int data_swab) { struct elfhdr ehdr; struct elf_phdr *phdr = NULL, *ph; @@ -366,6 +366,26 @@ static int glue(load_elf, SZ)(const char *name, int fd, addr = ph->p_paddr; } + if (data_swab) { + int j; + for (j = 0; j < file_size; j += (1 << data_swab)) { + uint8_t *dp = data + j; + switch (data_swab) { + case (1): + *(uint16_t *)dp = bswap16(*(uint16_t *)dp); + break; + case (2): + *(uint32_t *)dp = bswap32(*(uint32_t *)dp); + break; + case (3): + *(uint64_t *)dp = bswap64(*(uint64_t *)dp); + break; + default: + g_assert_not_reached(); + } + } + } + /* the entry pointer in the ELF header is a virtual * address, if the text segments paddr and vaddr differ * we need to adjust the entry */ diff --git a/include/hw/loader.h b/include/hw/loader.h index f7b43ab62f..0ba780852c 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -16,6 +16,18 @@ int load_image(const char *filename, uint8_t *addr); /* deprecated */ ssize_t load_image_size(const char *filename, void *addr, size_t size); int load_image_targphys(const char *filename, hwaddr, uint64_t max_sz); +/** + * load_image_mr: load an image into a memory region + * @filename: Path to the image file + * @mr: Memory Region to load into + * + * Load the specified file into the memory region. + * The file loaded is registered as a ROM, so its contents will be + * reinstated whenever the system is reset. + * If the file is larger than the memory region's size the call will fail. + * Returns -1 on failure, or the size of the file. + */ +int load_image_mr(const char *filename, MemoryRegion *mr); /* This is the limit on the maximum uncompressed image size that * load_image_gzipped_buffer() and load_image_gzipped() will read. It prevents @@ -32,10 +44,49 @@ int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz); #define ELF_LOAD_WRONG_ARCH -3 #define ELF_LOAD_WRONG_ENDIAN -4 const char *load_elf_strerror(int error); + +/** load_elf: + * @filename: Path of ELF file + * @translate_fn: optional function to translate load addresses + * @translate_opaque: opaque data passed to @translate_fn + * @pentry: Populated with program entry point. Ignored if NULL. + * @lowaddr: Populated with lowest loaded address. Ignored if NULL. + * @highaddr: Populated with highest loaded address. Ignored if NULL. + * @bigendian: Expected ELF endianness. 0 for LE otherwise BE + * @elf_machine: Expected ELF machine type + * @clear_lsb: Set to mask off LSB of addresses (Some architectures use + * this for non-address data) + * @data_swab: Set to order of byte swapping for data. 0 for no swap, 1 + * for swapping bytes within halfwords, 2 for bytes within + * words and 3 for within doublewords. + * + * Load an ELF file's contents to the emulated system's address space. + * Clients may optionally specify a callback to perform address + * translations. @pentry, @lowaddr and @highaddr are optional pointers + * which will be populated with various load information. @bigendian and + * @elf_machine give the expected endianness and machine for the ELF the + * load will fail if the target ELF does not match. Some architectures + * have some architecture-specific behaviours that come into effect when + * their particular values for @elf_machine are set. + */ + int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr, int big_endian, int elf_machine, - int clear_lsb); + int clear_lsb, int data_swab); + +/** load_elf_hdr: + * @filename: Path of ELF file + * @hdr: Buffer to populate with header data. Header data will not be + * filled if set to NULL. + * @is64: Set to true if the ELF is 64bit. Ignored if set to NULL + * @errp: Populated with an error in failure cases + * + * Inspect an ELF file's header. Read its full header contents into a + * buffer and/or determine if the ELF is 64bit. + */ +void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp); + int load_aout(const char *filename, hwaddr addr, int max_sz, int bswap_needed, hwaddr target_page_size); int load_uimage(const char *filename, hwaddr *ep, @@ -67,7 +118,7 @@ extern bool rom_file_has_mr; int rom_add_file(const char *file, const char *fw_dir, hwaddr addr, int32_t bootindex, - bool option_rom); + bool option_rom, MemoryRegion *mr); MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, size_t max_len, hwaddr addr, const char *fw_file_name, @@ -82,9 +133,11 @@ void *rom_ptr(hwaddr addr); void hmp_info_roms(Monitor *mon, const QDict *qdict); #define rom_add_file_fixed(_f, _a, _i) \ - rom_add_file(_f, NULL, _a, _i, false) + rom_add_file(_f, NULL, _a, _i, false, NULL) #define rom_add_blob_fixed(_f, _b, _l, _a) \ rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL) +#define rom_add_file_mr(_f, _mr, _i) \ + rom_add_file(_f, NULL, 0, _i, false, mr) #define PC_ROM_MIN_VGA 0xc0000 #define PC_ROM_MIN_OPTION 0xc8000 |