multiboot: Fix module loading and setting of mmap.
Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/pc.c b/hw/pc.c
index 97964b2..dac01ce 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -666,7 +666,7 @@
/* append module data at the end of last module */
mb_kernel_data = qemu_realloc(mb_kernel_data,
- mh_load_addr - mb_mod_end);
+ mb_mod_end - mh_load_addr);
load_image(initrd_filename,
mb_kernel_data + mb_mod_start - mh_load_addr);
diff --git a/pc-bios/multiboot.bin b/pc-bios/multiboot.bin
index 59737c3..d7da6e0 100644
--- a/pc-bios/multiboot.bin
+++ b/pc-bios/multiboot.bin
Binary files differ
diff --git a/pc-bios/optionrom/multiboot.S b/pc-bios/optionrom/multiboot.S
index be5c9fc..9131837 100644
--- a/pc-bios/optionrom/multiboot.S
+++ b/pc-bios/optionrom/multiboot.S
@@ -62,6 +62,9 @@
add %eax, %ebx
movl %ebx, %gs:GS_GDT_DESC + 2
+ xor %eax, %eax
+ mov %eax, %es
+
/* Read the bootinfo struct into RAM */
read_fw_blob(FW_CFG_INITRD)
@@ -71,7 +74,7 @@
mov %ax, %fs
/* ES = mmap_addr */
- mov %eax, %fs:0x48
+ mov %fs:48, %eax
shr $4, %eax
mov %ax, %es
