From d06c2ff01e736b69eba042764e2437fbac91e072 Mon Sep 17 00:00:00 2001
From: "Sergey Semyonov (Serge)" <ion2@mail.ru>
Date: Thu, 17 Feb 2011 11:21:25 +0000
Subject: [PATCH] ddk: alloca & chkstk

git-svn-id: svn://kolibrios.org@1872 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 drivers/ddk/Makefile      |  2 +-
 drivers/ddk/core.S        | 12 ++++++++++++
 drivers/include/syscall.h |  7 +++++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/ddk/Makefile b/drivers/ddk/Makefile
index 5416a061ec..580235ca83 100644
--- a/drivers/ddk/Makefile
+++ b/drivers/ddk/Makefile
@@ -1,5 +1,4 @@
 
-
 CC = gcc
 AS = as
 
@@ -17,6 +16,7 @@ CORE_SRC=	core.S
 
 NAME_SRCS:=  				\
 		debug/dbglog.c		\
+		debug/chkstk.S		\
            	io/create.c		\
            	io/finfo.c		\
            	io/ssize.c		\
diff --git a/drivers/ddk/core.S b/drivers/ddk/core.S
index f16a797cde..8f4a11bbe9 100644
--- a/drivers/ddk/core.S
+++ b/drivers/ddk/core.S
@@ -22,6 +22,7 @@
     .global _GetPgAddr
     .global _GetService
     .global _GetTimerTicks
+    .global _GetStackBase
 
     .global _KernelAlloc
     .global _KernelFree
@@ -45,6 +46,8 @@
     .global _RegService
 
     .global _SetMouseData
+    .global _SetKeyboardData
+
     .global _SetScreen
     .global _SysMsgBoardStr
 
@@ -70,6 +73,7 @@
     .def  _GetPgAddr;         .scl  2;  .type 32; .endef
     .def  _GetService;        .scl  2;  .type 32; .endef
     .def  _GetTimerTicks;     .scl  2;  .type 32; .endef
+    .def  _GetStackBase;      .scl  2;  .type 32; .endef
 
     .def  _KernelAlloc;       .scl  2;  .type 32; .endef
     .def  _KernelFree;        .scl  2;  .type 32; .endef
@@ -94,6 +98,7 @@
 
     .def  _SetScreen;         .scl  2;  .type 32; .endef
     .def  _SetMouseData;      .scl  2;  .type 32; .endef
+    .def  _SetKeyboardData;   .scl  2;  .type 32; .endef
     .def  _SysMsgBoardStr;    .scl  2;  .type 32; .endef
 
     .def  _WaitEvent;         .scl  2;  .type 32; .endef
@@ -120,6 +125,7 @@ _GetEvent:
 _GetPgAddr:
 _GetService:
 _GetTimerTicks:
+_GetStackBase:
 
 _KernelAlloc:
 _KernelFree:
@@ -142,6 +148,8 @@ _RaiseEvent:
 _RegService:
 
 _SetMouseData:
+_SetKeyboardData:
+
 _SetScreen:
 _SysMsgBoardStr:
 
@@ -171,6 +179,8 @@ _WaitEvent:
         .ascii " -export:GetPgAddr"            # stdcall
         .ascii " -export:GetService"           # stdcall
         .ascii " -export:GetTimerTicks"        #
+        .ascii " -export:GetStackBase"         #
+
 
         .ascii " -export:KernelAlloc"          # stdcall
         .ascii " -export:KernelFree"           # stdcall
@@ -194,6 +204,8 @@ _WaitEvent:
         .ascii " -export:RegService"           # stdcall
 
         .ascii " -export:SetMouseData"         # stdcall
+        .ascii " -export:SetKeyboardData"      # stdcall
+
         .ascii " -export:SetScreen"            # stdcall
         .ascii " -export:SysMsgBoardStr"       # stdcall
 
diff --git a/drivers/include/syscall.h b/drivers/include/syscall.h
index 7e34846f44..45b7c781db 100644
--- a/drivers/include/syscall.h
+++ b/drivers/include/syscall.h
@@ -18,6 +18,8 @@
 #define CreateObject    __CreateObject
 #define DestroyObject   __DestroyObject
 
+#define _alloca(x) __builtin_alloca((x))
+
 ///////////////////////////////////////////////////////////////////////////////
 
 
@@ -46,11 +48,16 @@ void  FASTCALL MutexInit(struct mutex*)__asm__("MutexInit");
 void  FASTCALL MutexLock(struct mutex*)__asm__("MutexLock");
 void  FASTCALL MutexUnlock(struct mutex*)__asm__("MutexUnlock");
 
+addr_t IMPORT  GetStackBase(void)__asm__("GetStackBase");
+
 ///////////////////////////////////////////////////////////////////////////////
 
 void   STDCALL SetMouseData(int btn, int x, int y,
                             int z, int h)__asm__("SetMouseData");
 
+void   FASTCALL SetKeyboardData(u32_t data)__asm__("SetKeyboardData");
+
+
 u8_t  STDCALL PciRead8 (u32_t bus, u32_t devfn, u32_t reg)__asm__("PciRead8");
 u16_t STDCALL PciRead16(u32_t bus, u32_t devfn, u32_t reg)__asm__("PciRead16");
 u32_t STDCALL PciRead32(u32_t bus, u32_t devfn, u32_t reg)__asm__("PciRead32");