ShuriZma
/
xqemu
mirror of https://github.com/xqemu/xqemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

PowerPC 601 / 620 / 970 need a 1MB firmware. 

This option is not allowed for PowerMac, as it would overlap with NVRAM.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3480 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
j_mayer 2007-10-29 10:19:50 +00:00
parent d2123ead89
commit 4c823cff9e
4 changed files with 28 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
hw/ppc_chrp.c
View File

@ -98,6 +98,13 @@ static void ppc_core99_init (int ram_size, int vga_ram_size, int boot_device,
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
envs[i] = env;
}
if (env->nip < 0xFFF80000) {
/* Special test for PowerPC 601:
* the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
* But the NVRAM is located at 0xFFF04000...
*/
cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
}
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
@ -113,6 +120,10 @@ static void ppc_core99_init (int ram_size, int vga_ram_size, int boot_device,
exit(1);
}
bios_size = (bios_size + 0xfff) & ~0xfff;
if (bios_size > 0x00080000) {
/* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
}
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);

11
hw/ppc_oldworld.c
View File

@ -135,6 +135,13 @@ static void ppc_heathrow_init (int ram_size, int vga_ram_size, int boot_device,
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
envs[i] = env;
}
if (env->nip < 0xFFF80000) {
/* Special test for PowerPC 601:
* the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
* But the NVRAM is located at 0xFFF04000...
*/
cpu_abort(env, "G3BW Mac hardware can not handle 1 MB BIOS\n");
}
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
@ -150,6 +157,10 @@ static void ppc_heathrow_init (int ram_size, int vga_ram_size, int boot_device,
exit(1);
}
bios_size = (bios_size + 0xfff) & ~0xfff;
if (bios_size > 0x00080000) {
/* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
cpu_abort(env, "G3BW Mac hardware can not handle 1 MB BIOS\n");
}
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);

3
hw/ppc_prep.c
View File

@ -574,6 +574,9 @@ static void ppc_prep_init (int ram_size, int vga_ram_size, int boot_device,
cpu_abort(env, "qemu: could not load PPC PREP bios '%s'\n", buf);
exit(1);
}
if (env->nip < 0xFFF80000 && bios_size < 0x00100000) {
cpu_abort(env, "PowerPC 601 / 620 / 970 need a 1MB BIOS\n");
}
bios_size = (bios_size + 0xfff) & ~0xfff;
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);

4
vl.h
View File

@ -197,7 +197,9 @@ extern unsigned int nb_prom_envs;
/* XXX: make it dynamic */
#define MAX_BIOS_SIZE (4 * 1024 * 1024)
#if defined (TARGET_PPC) || defined (TARGET_SPARC64)
#if defined (TARGET_PPC)
#define BIOS_SIZE (1024 * 1024)
#elif defined (TARGET_SPARC64)
#define BIOS_SIZE ((512 + 32) * 1024)
#elif defined(TARGET_MIPS)
#define BIOS_SIZE (4 * 1024 * 1024)