haraldwolff/qemu-patch-raspberry4
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malta: Clean allocation of bios region alias

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It is sufficient to define the region alias once for all code branches.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2012-01-28 05:18:16 +00:00
parent ae7d54d489
commit 82a9807bca
1 changed files with 6 additions and 15 deletions
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21
hw/mips_malta.c
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@ -856,10 +856,7 @@ void mips_malta_init (ram_addr_t ram_size,
memory_region_init_ram(bios, "mips_malta.bios", BIOS_SIZE);
vmstate_register_ram_global(bios);
memory_region_set_readonly(bios, true);
memory_region_init_alias(bios_alias, "bios.1fc", bios, 0, BIOS_SIZE);
/* Map the bios at two physical locations, as on the real board. */
memory_region_add_subregion(system_memory, 0x1e000000LL, bios);
memory_region_add_subregion(system_memory, 0x1fc00000LL, bios_alias);
loaderparams.ram_size = ram_size;
loaderparams.kernel_filename = kernel_filename;
loaderparams.kernel_cmdline = kernel_cmdline;
@ -883,29 +880,19 @@ void mips_malta_init (ram_addr_t ram_size,
dinfo->bdrv, 65536, fl_sectors,
4, 0x0000, 0x0000, 0x0000, 0x0000, be);
bios = pflash_cfi01_get_memory(fl);
/* Map the bios at two physical locations, as on the real board. */
memory_region_init_alias(bios_alias, "bios.1fc",
bios, 0, BIOS_SIZE);
memory_region_add_subregion(system_memory, 0x1fc00000LL,
bios_alias);
fl_idx++;
fl_idx++;
} else {
bios = g_new(MemoryRegion, 1);
memory_region_init_ram(bios, "mips_malta.bios", BIOS_SIZE);
vmstate_register_ram_global(bios);
memory_region_set_readonly(bios, true);
memory_region_init_alias(bios_alias, "bios.1fc",
bios, 0, BIOS_SIZE);
/* Map the bios at two physical locations, as on the real board. */
memory_region_add_subregion(system_memory, 0x1e000000LL, bios);
memory_region_add_subregion(system_memory, 0x1fc00000LL,
bios_alias);
/* Load a BIOS image. */
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = load_image_targphys(filename, 0x1fc00000LL,
bios_size = load_image_targphys(filename, 0x1e000000LL,
BIOS_SIZE);
g_free(filename);
} else {
@ -932,6 +919,10 @@ void mips_malta_init (ram_addr_t ram_size,
#endif
}
/* Map the BIOS at a 2nd physical location, as on the real board. */
memory_region_init_alias(bios_alias, "bios.1fc", bios, 0, BIOS_SIZE);
memory_region_add_subregion(system_memory, 0x1fc00000LL, bios_alias);
/* Board ID = 0x420 (Malta Board with CoreLV)
XXX: theoretically 0x1e000010 should map to flash and 0x1fc00010 should
map to the board ID. */