diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/cpu-common.h | 2 | ||||
| -rw-r--r-- | include/exec/memory.h | 26 | ||||
| -rw-r--r-- | include/hw/elf_ops.h | 4 | ||||
| -rw-r--r-- | include/hw/loader.h | 17 |
4 files changed, 45 insertions, 4 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 18b40d6145..2ad2d6d86b 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -111,8 +111,6 @@ bool cpu_physical_memory_is_io(hwaddr phys_addr); */ void qemu_flush_coalesced_mmio_buffer(void); -void cpu_physical_memory_write_rom(AddressSpace *as, hwaddr addr, - const uint8_t *buf, int len); void cpu_flush_icache_range(hwaddr start, int len); extern struct MemoryRegion io_mem_rom; diff --git a/include/exec/memory.h b/include/exec/memory.h index 8e61450de3..ffd23ed8d8 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1792,6 +1792,32 @@ MemTxResult address_space_write(AddressSpace *as, hwaddr addr, MemTxAttrs attrs, const uint8_t *buf, int len); +/** + * address_space_write_rom: write to address space, including ROM. + * + * This function writes to the specified address space, but will + * write data to both ROM and RAM. This is used for non-guest + * writes like writes from the gdb debug stub or initial loading + * of ROM contents. + * + * Note that portions of the write which attempt to write data to + * a device will be silently ignored -- only real RAM and ROM will + * be written to. + * + * Return a MemTxResult indicating whether the operation succeeded + * or failed (eg unassigned memory, device rejected the transaction, + * IOMMU fault). + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @attrs: memory transaction attributes + * @buf: buffer with the data transferred + * @len: the number of bytes to write + */ +MemTxResult address_space_write_rom(AddressSpace *as, hwaddr addr, + MemTxAttrs attrs, + const uint8_t *buf, int len); + /* address_space_ld*: load from an address space * address_space_st*: store to an address space * diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index 81cecaf27e..74679ff8da 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -482,7 +482,9 @@ static int glue(load_elf, SZ)(const char *name, int fd, rom_add_elf_program(label, data, file_size, mem_size, addr, as); } else { - cpu_physical_memory_write(addr, data, file_size); + address_space_write(as ? as : &address_space_memory, + addr, MEMTXATTRS_UNSPECIFIED, + data, file_size); g_free(data); } } diff --git a/include/hw/loader.h b/include/hw/loader.h index 67a0af84ac..0a0ad808ea 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -11,7 +11,22 @@ * On error, errno is also set as appropriate. */ int64_t get_image_size(const char *filename); -int load_image(const char *filename, uint8_t *addr); /* deprecated */ +/** + * load_image_size: load an image file into specified buffer + * @filename: Path to the image file + * @addr: Buffer to load image into + * @size: Size of buffer in bytes + * + * Load an image file from disk into the specified buffer. + * If the image is larger than the specified buffer, only + * @size bytes are read (this is not considered an error). + * + * Prefer to use the GLib function g_file_get_contents() rather + * than a "get_image_size()/g_malloc()/load_image_size()" sequence. + * + * Returns the number of bytes read, or -1 on error. On error, + * errno is also set as appropriate. + */ ssize_t load_image_size(const char *filename, void *addr, size_t size); /**load_image_targphys_as: |