From d352afd079bd1b6361281b9e234cece183b38d5a Mon Sep 17 00:00:00 2001
From: josh <josh@5b3e749e-e535-0410-8002-a9bb6afbdfca>
Date: Fri, 24 Jul 2009 14:02:11 +0000
Subject: [PATCH] added int_stack_t type in hos_types.h for interrupt stack
 access

git-svn-id: svn://anubis/hos/trunk@65 5b3e749e-e535-0410-8002-a9bb6afbdfca
---
 kernel/boot/isr.asm        |  2 +-
 kernel/include/hos_types.h | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/kernel/boot/isr.asm b/kernel/boot/isr.asm
index 224857d..4c3a8cc 100644
--- a/kernel/boot/isr.asm
+++ b/kernel/boot/isr.asm
@@ -43,7 +43,7 @@ isr_common:
     pop     es
     pop     ds
     popa                            ; edi, esi, ebp, <null>, ebx, edx, ecx, eax
-    lea     esp, [esp+4]
+    lea     esp, [esp+4]            ; bypass error code
 
     iret
 
diff --git a/kernel/include/hos_types.h b/kernel/include/hos_types.h
index 3d7a882..5921615 100644
--- a/kernel/include/hos_types.h
+++ b/kernel/include/hos_types.h
@@ -15,6 +15,31 @@ typedef signed int          s32_t;
 typedef unsigned long long  u64_t;
 typedef signed long long    s64_t;
 
+typedef struct
+{
+    u32_t   gs;
+    u32_t   fs;
+    u32_t   es;
+    u32_t   ds;
+
+    u32_t   edi;
+    u32_t   esi;
+    u32_t   ebp;
+    u32_t   esp_junk;               /* the esp value saved by 'pusha' */
+    u32_t   ebx;
+    u32_t   edx;
+    u32_t   ecx;
+    u32_t   eax;
+
+    u32_t   error;                  /* valid on exceptions 8, 10-14 */
+
+    u32_t   eip;
+    u32_t   cs;
+    u32_t   eflags;
+    u32_t   esp;                    /* present if privilege transition */
+    u32_t   ss;
+} int_stack_t;
+
 #ifdef __cplusplus
 }
 #endif