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Add optionrom compatible with fw_cfg DMA version

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This optionrom is based on linuxboot.S.

Signed-off-by: Marc Marí <markmb@redhat.com>
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <1464027093-24073-2-git-send-email-rjones@redhat.com>
[Add -fno-toplevel-reorder, support clang without -m16. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc Marí 2016-05-23 19:11:33 +01:00 • committed by Paolo Bonzini
parent a91a4e7d8c
commit b2a575a1c6
10 changed files with 348 additions and 12 deletions
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10
hw/i386/pc.c
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@ -998,8 +998,13 @@ static void load_linux(PCMachineState *pcms,
fw_cfg_add_i32(fw_cfg, FW_CFG_SETUP_SIZE, setup_size);
fw_cfg_add_bytes(fw_cfg, FW_CFG_SETUP_DATA, setup, setup_size);
option_rom[nb_option_roms].name = "linuxboot.bin";
option_rom[nb_option_roms].bootindex = 0;
if (fw_cfg_dma_enabled(fw_cfg)) {
option_rom[nb_option_roms].name = "linuxboot_dma.bin";
option_rom[nb_option_roms].bootindex = 0;
} else {
option_rom[nb_option_roms].name = "linuxboot.bin";
option_rom[nb_option_roms].bootindex = 0;
}
nb_option_roms++;
}
@ -1291,6 +1296,7 @@ void xen_load_linux(PCMachineState *pcms)
load_linux(pcms, fw_cfg);
for (i = 0; i < nb_option_roms; i++) {
assert(!strcmp(option_rom[i].name, "linuxboot.bin") ||
!strcmp(option_rom[i].name, "linuxboot_dma.bin") ||
!strcmp(option_rom[i].name, "multiboot.bin"));
rom_add_option(option_rom[i].name, option_rom[i].bootindex);
}