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rom loader: fix sparc -kernel boot.

Browse source 
Changes:
(1) register pstrcpy_targphys() in rom list, it is used for kernel
command lines by a number of architectures.
(2) add rom_ptr() function to get a pointer for applying changes
to loaded images.  Needed for example to tell the linux kernel
where it finds the initrd image by updating the header.
(3) make sparc use rom_ptr for initrd setup.

booting sparc-test works now, and 'info roms' shows this:

(qemu) info roms
addr=0000000000000000 size=0x2a3828 mem=ram name="phdr #0: vmlinux-2.6.11+tcx"
addr=00000000007ff000 size=0x00000e mem=ram name="cmdline"
addr=0000000000800000 size=0x400000 mem=ram name="/root/qemu-test/sparc-test/linux.img"
addr=0000000070000000 size=0x0e4000 mem=rom name="phdr #0: /home/kraxel/projects/qemu/build-zfull/pc-bios/openbios-sparc32"

reboot via 'system_reset' works too.

Patchworks-ID: 35262
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-10-07 13:37:06 +02:00 • committed by Anthony Liguori
parent d549db5a73
commit 3c178e72e0
14 changed files with 54 additions and 24 deletions
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2
hw/petalogix_s3adsp1800_mmu.c
View file

@ -176,7 +176,7 @@ petalogix_s3adsp1800_init(ram_addr_t ram_size,
env->regs[5] = ddr_base + kernel_size;
if (kernel_cmdline && (kcmdline_len = strlen(kernel_cmdline))) {
pstrcpy_targphys(env->regs[5], 256, kernel_cmdline);
pstrcpy_targphys("cmdline", env->regs[5], 256, kernel_cmdline);
}
env->regs[6] = 0;
/* Provide a device-tree. */