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-rw-r--r--hw/i386/pc.c9
-rw-r--r--hw/i386/pc_piix.c1
-rw-r--r--hw/i386/pc_q35.c1
-rw-r--r--include/hw/i386/pc.h7
4 files changed, 9 insertions, 9 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f3b372a18f..8063241140 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1047,12 +1047,10 @@ 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);
- if (fw_cfg_dma_enabled(fw_cfg)) {
+ option_rom[nb_option_roms].bootindex = 0;
+ option_rom[nb_option_roms].name = "linuxboot.bin";
+ if (pcmc->linuxboot_dma_enabled && 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++;
}
@@ -2321,6 +2319,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
* to be used at the moment, 32K should be enough for a while. */
pcmc->acpi_data_size = 0x20000 + 0x8000;
pcmc->save_tsc_khz = true;
+ pcmc->linuxboot_dma_enabled = true;
mc->get_hotplug_handler = pc_get_hotpug_handler;
mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id;
mc->possible_cpu_arch_ids = pc_possible_cpu_arch_ids;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 9f102aa388..a11190be46 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -474,6 +474,7 @@ static void pc_i440fx_2_6_machine_options(MachineClass *m)
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_i440fx_2_7_machine_options(m);
pcmc->legacy_cpu_hotplug = true;
+ pcmc->linuxboot_dma_enabled = false;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
}
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index dd792a8547..0a61a2070c 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -335,6 +335,7 @@ static void pc_q35_2_6_machine_options(MachineClass *m)
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_q35_2_7_machine_options(m);
pcmc->legacy_cpu_hotplug = true;
+ pcmc->linuxboot_dma_enabled = false;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
}
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 416aaa56ea..d0183c4890 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -151,6 +151,9 @@ struct PCMachineClass {
bool save_tsc_khz;
/* generate legacy CPU hotplug AML */
bool legacy_cpu_hotplug;
+
+ /* use DMA capable linuxboot option rom */
+ bool linuxboot_dma_enabled;
};
#define TYPE_PC_MACHINE "generic-pc-machine"
@@ -438,10 +441,6 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
#define PC_COMPAT_2_6 \
HW_COMPAT_2_6 \
{\
- .driver = "fw_cfg_io",\
- .property = "dma_enabled",\
- .value = "off",\
- },{\
.driver = TYPE_X86_CPU,\
.property = "cpuid-0xb",\
.value = "off",\