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reset state for load_linux

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The linux loader is just an option rom like any other, just with
some special requirements. Right now, our option rom resetting
mechanism is not being applied to it. As a result, users using
-kernel will not be able to successfully reboot their machines

This patch fixes it by saving all the data we generated in
the load_linux() function, to be used later by the option rom
resetting mechanism.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Glauber Costa 2009-05-08 02:22:13 -03:00 committed by Anthony Liguori
parent e28f988427
commit d6ecb03610
1 changed files with 7 additions and 0 deletions
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7
hw/pc.c
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@ -579,6 +579,7 @@ static void generate_bootsect(target_phys_addr_t option_rom,
rom[sizeof(rom) - 1] = -sum;
cpu_physical_memory_write_rom(option_rom, rom, sizeof(rom));
option_rom_setup_reset(option_rom, sizeof (rom));
}
static long get_file_size(FILE *f)
@ -746,6 +747,12 @@ static void load_linux(target_phys_addr_t option_rom,
memset(gpr, 0, sizeof gpr);
gpr[4] = cmdline_addr-real_addr-16; /* SP (-16 is paranoia) */
option_rom_setup_reset(real_addr, setup_size);
option_rom_setup_reset(prot_addr, kernel_size);
option_rom_setup_reset(cmdline_addr, cmdline_size);
if (initrd_filename)
option_rom_setup_reset(initrd_addr, initrd_size);
generate_bootsect(option_rom, gpr, seg, 0);
}