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-rw-r--r--arch/x86_64/boot/setup.S2
-rw-r--r--arch/x86_64/boot/tools/build.c4
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S
index ff58b2832b7..12ea0b6c52e 100644
--- a/arch/x86_64/boot/setup.S
+++ b/arch/x86_64/boot/setup.S
@@ -81,7 +81,7 @@ start:
# This is the setup header, and it must start at %cs:2 (old 0x9020:2)
.ascii "HdrS" # header signature
- .word 0x0203 # header version number (>= 0x0105)
+ .word 0x0204 # header version number (>= 0x0105)
# or else old loadlin-1.5 will fail)
realmode_swtch: .word 0, 0 # default_switch, SETUPSEG
start_sys_seg: .word SYSSEG
diff --git a/arch/x86_64/boot/tools/build.c b/arch/x86_64/boot/tools/build.c
index 18b5bac1c42..c44f5e2ec10 100644
--- a/arch/x86_64/boot/tools/build.c
+++ b/arch/x86_64/boot/tools/build.c
@@ -178,7 +178,9 @@ int main(int argc, char ** argv)
die("Output: seek failed");
buf[0] = (sys_size & 0xff);
buf[1] = ((sys_size >> 8) & 0xff);
- if (write(1, buf, 2) != 2)
+ buf[2] = ((sys_size >> 16) & 0xff);
+ buf[3] = ((sys_size >> 24) & 0xff);
+ if (write(1, buf, 4) != 4)
die("Write of image length failed");
return 0; /* Everything is OK */