diff options
| -rw-r--r-- | hw/core/loader.c | 43 | ||||
| -rw-r--r-- | include/hw/elf_ops.h | 2 | ||||
| -rw-r--r-- | include/hw/loader.h | 10 |
3 files changed, 41 insertions, 14 deletions
diff --git a/hw/core/loader.c b/hw/core/loader.c index 6b61f290c3..56c593ead7 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -777,6 +777,7 @@ struct Rom { uint8_t *data; MemoryRegion *mr; + AddressSpace *as; int isrom; char *fw_dir; char *fw_file; @@ -788,6 +789,12 @@ struct Rom { static FWCfgState *fw_cfg; static QTAILQ_HEAD(, Rom) roms = QTAILQ_HEAD_INITIALIZER(roms); +static inline bool rom_order_compare(Rom *rom, Rom *item) +{ + return (rom->as > item->as) || + (rom->as == item->as && rom->addr >= item->addr); +} + static void rom_insert(Rom *rom) { Rom *item; @@ -796,10 +803,16 @@ static void rom_insert(Rom *rom) hw_error ("ROM images must be loaded at startup\n"); } - /* list is ordered by load address */ + /* The user didn't specify an address space, this is the default */ + if (!rom->as) { + rom->as = &address_space_memory; + } + + /* List is ordered by load address in the same address space */ QTAILQ_FOREACH(item, &roms, next) { - if (rom->addr >= item->addr) + if (rom_order_compare(rom, item)) { continue; + } QTAILQ_INSERT_BEFORE(item, rom, next); return; } @@ -833,16 +846,25 @@ static void *rom_set_mr(Rom *rom, Object *owner, const char *name) int rom_add_file(const char *file, const char *fw_dir, hwaddr addr, int32_t bootindex, - bool option_rom, MemoryRegion *mr) + bool option_rom, MemoryRegion *mr, + AddressSpace *as) { MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); Rom *rom; int rc, fd = -1; char devpath[100]; + if (as && mr) { + fprintf(stderr, "Specifying an Address Space and Memory Region is " \ + "not valid when loading a rom\n"); + /* We haven't allocated anything so we don't need any cleanup */ + return -1; + } + rom = g_malloc0(sizeof(*rom)); rom->name = g_strdup(file); rom->path = qemu_find_file(QEMU_FILE_TYPE_BIOS, rom->name); + rom->as = as; if (rom->path == NULL) { rom->path = g_strdup(file); } @@ -969,7 +991,7 @@ MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, * memory ownership of "data", so we don't have to allocate and copy the buffer. */ int rom_add_elf_program(const char *name, void *data, size_t datasize, - size_t romsize, hwaddr addr) + size_t romsize, hwaddr addr, AddressSpace *as) { Rom *rom; @@ -979,18 +1001,19 @@ int rom_add_elf_program(const char *name, void *data, size_t datasize, rom->datasize = datasize; rom->romsize = romsize; rom->data = data; + rom->as = as; rom_insert(rom); return 0; } int rom_add_vga(const char *file) { - return rom_add_file(file, "vgaroms", 0, -1, true, NULL); + return rom_add_file(file, "vgaroms", 0, -1, true, NULL, NULL); } int rom_add_option(const char *file, int32_t bootindex) { - return rom_add_file(file, "genroms", 0, bootindex, true, NULL); + return rom_add_file(file, "genroms", 0, bootindex, true, NULL, NULL); } static void rom_reset(void *unused) @@ -1008,8 +1031,8 @@ static void rom_reset(void *unused) void *host = memory_region_get_ram_ptr(rom->mr); memcpy(host, rom->data, rom->datasize); } else { - cpu_physical_memory_write_rom(&address_space_memory, - rom->addr, rom->data, rom->datasize); + cpu_physical_memory_write_rom(rom->as, rom->addr, rom->data, + rom->datasize); } if (rom->isrom) { /* rom needs to be written only once */ @@ -1031,12 +1054,13 @@ int rom_check_and_register_reset(void) hwaddr addr = 0; MemoryRegionSection section; Rom *rom; + AddressSpace *as = NULL; QTAILQ_FOREACH(rom, &roms, next) { if (rom->fw_file) { continue; } - if (addr > rom->addr) { + if ((addr > rom->addr) && (as == rom->as)) { fprintf(stderr, "rom: requested regions overlap " "(rom %s. free=0x" TARGET_FMT_plx ", addr=0x" TARGET_FMT_plx ")\n", @@ -1049,6 +1073,7 @@ int rom_check_and_register_reset(void) rom->addr, 1); rom->isrom = int128_nz(section.size) && memory_region_is_rom(section.mr); memory_region_unref(section.mr); + as = rom->as; } qemu_register_reset(rom_reset, NULL); roms_loaded = 1; diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index 5038c7f058..4744d110f3 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -405,7 +405,7 @@ static int glue(load_elf, SZ)(const char *name, int fd, snprintf(label, sizeof(label), "phdr #%d: %s", i, name); /* rom_add_elf_program() seize the ownership of 'data' */ - rom_add_elf_program(label, data, file_size, mem_size, addr); + rom_add_elf_program(label, data, file_size, mem_size, addr, NULL); total_size += mem_size; if (addr < low) diff --git a/include/hw/loader.h b/include/hw/loader.h index c59673dfc5..815a8d6ad8 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -120,14 +120,14 @@ 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, MemoryRegion *mr); + bool option_rom, MemoryRegion *mr, AddressSpace *as); MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, size_t max_len, hwaddr addr, const char *fw_file_name, FWCfgReadCallback fw_callback, void *callback_opaque); int rom_add_elf_program(const char *name, void *data, size_t datasize, - size_t romsize, hwaddr addr); + size_t romsize, hwaddr addr, AddressSpace *as); int rom_check_and_register_reset(void); void rom_set_fw(FWCfgState *f); void rom_set_order_override(int order); @@ -137,11 +137,13 @@ 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, NULL) + rom_add_file(_f, NULL, _a, _i, false, NULL, 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) + rom_add_file(_f, NULL, 0, _i, false, _mr, NULL) +#define rom_add_file_as(_f, _as, _i) \ + rom_add_file(_f, NULL, 0, _i, false, NULL, _as) #define PC_ROM_MIN_VGA 0xc0000 #define PC_ROM_MIN_OPTION 0xc8000 |