From 50eae2a7c9862afe263a2003c12f457ecfc9e6a2 Mon Sep 17 00:00:00 2001
From: "Huang, Ying" <ying.huang@intel.com>
Date: Fri, 28 Mar 2008 10:49:42 +0800
Subject: x86, boot: add free_early to early reservation machanism

Add free_early to early reservation mechanism - this way early bootup
failure paths can stop wasting memory.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/asm-x86/e820_64.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/asm-x86')

diff --git a/include/asm-x86/e820_64.h b/include/asm-x86/e820_64.h
index f478c57eb060..b5e02e379af3 100644
--- a/include/asm-x86/e820_64.h
+++ b/include/asm-x86/e820_64.h
@@ -48,6 +48,7 @@ extern struct e820map e820;
 extern void update_e820(void);
 
 extern void reserve_early(unsigned long start, unsigned long end, char *name);
+extern void free_early(unsigned long start, unsigned long end);
 extern void early_res_to_bootmem(void);
 
 #endif/*!__ASSEMBLY__*/
-- 
cgit v1.2.3


From 8b664aa66e824a0ddf4ec56d41fa0cf7bb374de6 Mon Sep 17 00:00:00 2001
From: "Huang, Ying" <ying.huang@intel.com>
Date: Fri, 28 Mar 2008 10:49:44 +0800
Subject: x86, boot: add linked list of struct setup_data

This patch adds a field of 64-bit physical pointer to NULL terminated
single linked list of struct setup_data to real-mode kernel
header. This is used as a more extensible boot parameters passing
mechanism.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/asm-x86/bootparam.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'include/asm-x86')

diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h
index 51151356840f..e8659909e5f6 100644
--- a/include/asm-x86/bootparam.h
+++ b/include/asm-x86/bootparam.h
@@ -9,6 +9,17 @@
 #include <asm/ist.h>
 #include <video/edid.h>
 
+/* setup data types */
+#define SETUP_NONE			0
+
+/* extensible setup data list node */
+struct setup_data {
+	u64 next;
+	u32 type;
+	u32 len;
+	u8 data[0];
+};
+
 struct setup_header {
 	__u8	setup_sects;
 	__u16	root_flags;
@@ -46,6 +57,9 @@ struct setup_header {
 	__u32	cmdline_size;
 	__u32	hardware_subarch;
 	__u64	hardware_subarch_data;
+	__u32	payload_offset;
+	__u32	payload_length;
+	__u64	setup_data;
 } __attribute__((packed));
 
 struct sys_desc_table {
-- 
cgit v1.2.3