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keep initrd in below 4g area. 

initrd must be kept on the memory area below 4g. By not doing this,
we're seeing guests break while using -initrd and values of -mem
superior to 4096.

Signed-off-by: Glauber Costa <glommer@redhat.com>
This commit is contained in:
Glauber Costa 2009-05-18 16:35:58 -04:00 committed by Anthony Liguori
parent 95b134ea02
commit e6ade764eb
1 changed files with 5 additions and 4 deletions
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9
hw/pc.c
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@ -596,7 +596,8 @@ static long get_file_size(FILE *f)
static void load_linux(target_phys_addr_t option_rom,
const char *kernel_filename,
const char *initrd_filename,
const char *kernel_cmdline)
const char *kernel_cmdline,
target_phys_addr_t max_ram_size)
{
uint16_t protocol;
uint32_t gpr[8];
@ -662,8 +663,8 @@ static void load_linux(target_phys_addr_t option_rom,
else
initrd_max = 0x37ffffff;
if (initrd_max >= ram_size-ACPI_DATA_SIZE)
initrd_max = ram_size-ACPI_DATA_SIZE-1;
if (initrd_max >= max_ram_size-ACPI_DATA_SIZE)
initrd_max = max_ram_size-ACPI_DATA_SIZE-1;
/* kernel command line */
pstrcpy_targphys(cmdline_addr, 4096, kernel_cmdline);
@ -960,7 +961,7 @@ static void pc_init1(ram_addr_t ram_size,
if (linux_boot) {
load_linux(0xc0000 + oprom_area_size,
kernel_filename, initrd_filename, kernel_cmdline);
kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size);
oprom_area_size += 2048;
}