Commit 077e1958ca4afe12d88043b123ded058c51b89f7 broke the ability of the
x86 port to boot from a cold-reset by removing the initial IDT. Re-
instate the initial IDT to allow cold-booting of x86 boards
Signed-off-by: Graeme Russ <graeme.r...@gmail.com>
---
arch/i386/cpu/start16.S | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/i386/cpu/start16.S b/arch/i386/cpu/start16.S
index 3e8b2cc..ebe5835 100644
--- a/arch/i386/cpu/start16.S
+++ b/arch/i386/cpu/start16.S
@@ -45,6 +45,7 @@ board_init16_ret:
wbinvd
/* load the temporary Global Descriptor Table */
+o32 cs lidt idt_ptr
o32 cs lgdt gdt_ptr
/* Now, we enter protected mode */
@@ -68,6 +69,10 @@ code32start:
.long _start /* offset */
.word 0x10 /* segment */
+idt_ptr:
+ .word 0 /* limit */
+ .long 0 /* base */
+
/*
* The following Global Descriptor Table is just enough to get us into
* 'Flat Protected Mode' - It will be discarded as soon as the final
--
1.7.1.422.g049e9
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