From: Kevin Wolf <mail@kevin-wolf.de>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <mail@kevin-wolf.de>
Subject: [Qemu-devel] [PATCH] multiboot: Fix upper memory size in multiboot info
Date: Tue, 4 Jan 2011 14:03:30 +0100 [thread overview]
Message-ID: <1294146210-14638-1-git-send-email-mail@kevin-wolf.de> (raw)
The upper memory size field should exclude the first MB of RAM.
Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
---
hw/multiboot.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/hw/multiboot.c b/hw/multiboot.c
index 7cc3055..0d2bfb4 100644
--- a/hw/multiboot.c
+++ b/hw/multiboot.c
@@ -306,7 +306,7 @@ int load_multiboot(void *fw_cfg,
| MULTIBOOT_FLAGS_MODULES
| MULTIBOOT_FLAGS_MMAP);
stl_p(bootinfo + MBI_MEM_LOWER, 640);
- stl_p(bootinfo + MBI_MEM_UPPER, ram_size / 1024);
+ stl_p(bootinfo + MBI_MEM_UPPER, (ram_size / 1024) - 1024);
stl_p(bootinfo + MBI_BOOT_DEVICE, 0x8001ffff); /* XXX: use the -boot switch? */
stl_p(bootinfo + MBI_MMAP_ADDR, ADDR_E820_MAP);
--
1.6.0.2
next reply other threads:[~2011-01-04 13:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-04 13:03 Kevin Wolf [this message]
2011-01-23 21:51 ` [Qemu-devel] [PATCH] multiboot: Fix upper memory size in multiboot info Aurelien Jarno
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