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-rw-r--r--arch/x86/boot/main.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 77569a4a3be..197421db1af 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -73,6 +73,11 @@ static void keyboard_set_repeat(void)
*/
static void query_ist(void)
{
+ /* Some older BIOSes apparently crash on this call, so filter
+ it from machines too old to have SpeedStep at all. */
+ if (cpu.level < 6)
+ return;
+
asm("int $0x15"
: "=a" (boot_params.ist_info.signature),
"=b" (boot_params.ist_info.command),
@@ -165,6 +170,10 @@ void main(void)
/* Set the video mode */
set_video();
+ /* Parse command line for 'quiet' and pass it to decompressor. */
+ if (cmdline_find_option_bool("quiet"))
+ boot_params.hdr.loadflags |= QUIET_FLAG;
+
/* Do the last things and invoke protected mode */
go_to_protected_mode();
}