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author | j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-10-29 10:19:50 +0000 |
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committer | j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-10-29 10:19:50 +0000 |
commit | 4c823cff9e0a3a11d917869dfbc8ae94bff26bba (patch) | |
tree | 182d9eb8fefcf763f8909ae7c345bc8ea6cf7c65 /hw/ppc_chrp.c | |
parent | d2123ead89bd2d337793dcd739352142ff69007c (diff) | |
download | qemu-4c823cff9e0a3a11d917869dfbc8ae94bff26bba.zip qemu-4c823cff9e0a3a11d917869dfbc8ae94bff26bba.tar.gz qemu-4c823cff9e0a3a11d917869dfbc8ae94bff26bba.tar.bz2 |
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
Diffstat (limited to 'hw/ppc_chrp.c')
-rw-r--r-- | hw/ppc_chrp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c index f71169e..b97f99f 100644 --- a/hw/ppc_chrp.c +++ b/hw/ppc_chrp.c @@ -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); |