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pci: store PCI hole ranges in guestinfo structure

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Will be used to pass hole ranges to guests.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-05-30 12:57:26 +03:00
parent 620ac82eb0
commit 3459a62521
7 changed files with 92 additions and 4 deletions
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14
hw/i386/pc_piix.c
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@ -90,6 +90,7 @@ static void pc_init1(MemoryRegion *system_memory,
MemoryRegion *rom_memory;
DeviceState *icc_bridge;
FWCfgState *fw_cfg = NULL;
PcGuestInfo *guest_info;
if (xen_enabled() && xen_hvm_init() != 0) {
fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
@ -124,12 +125,23 @@ static void pc_init1(MemoryRegion *system_memory,
rom_memory = system_memory;
}
guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
/* Set PCI window size the way seabios has always done it. */
/* Power of 2 so bios can cover it with a single MTRR */
if (ram_size <= 0x80000000)
guest_info->pci_info.w32.begin = 0x80000000;
else if (ram_size <= 0xc0000000)
guest_info->pci_info.w32.begin = 0xc0000000;
else
guest_info->pci_info.w32.begin = 0xe0000000;
/* allocate ram and load rom/bios */
if (!xen_enabled()) {
fw_cfg = pc_memory_init(system_memory,
kernel_filename, kernel_cmdline, initrd_filename,
below_4g_mem_size, above_4g_mem_size,
rom_memory, &ram_memory);
rom_memory, &ram_memory, guest_info);
}
gsi_state = g_malloc0(sizeof(*gsi_state));