X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=AcessNative%2Facesskernel_src%2Fsyscalls.c;h=344745fd9d044886621deed1dd90b926a37ad8c0;hb=3d67e21210fbcad7cdcbfa9c348019a191ce1798;hp=4194a36acc235ef9f567ddfb7ad35bb70d3e8b16;hpb=e7a76b0d8a0cc6aa77966509780973a6f8216ef7;p=tpg%2Facess2.git

diff --git a/AcessNative/acesskernel_src/syscalls.c b/AcessNative/acesskernel_src/syscalls.c
index 4194a36a..344745fd 100644
--- a/AcessNative/acesskernel_src/syscalls.c
+++ b/AcessNative/acesskernel_src/syscalls.c
@@ -16,14 +16,22 @@
 // === IMPORTS ===
 extern int	Threads_Fork(void);	// AcessNative only function
 extern int	Threads_Spawn(int nFD, int FDs[], const void *info);
+extern int	Syscall_AN_GetPath_Real(char *Dest, size_t DstLen, const char *Path);
 
 // === TYPES ===
 typedef int	(*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int *Sizes);
 
 // === MACROS ===
+#define _SYSCALL_CHKFMT(_name,_fmtstr,Fmt) do{ \
+	if(strcmp(Fmt,_fmtstr) != 0) {\
+		*Errno = EINVAL;\
+		Log_Error("Syscalls", "Call %s takes args '%s', given '%s'", #_name, _fmtstr, Fmt);\
+		return -1;\
+	}\
+} while(0)
 #define SYSCALL6(_name, _fmtstr, _t0, _t1, _t2, _t3, _t4, _t5, _call) int _name(Uint*Errno,const char*Fmt,void*Args,int*Sizes){\
 	_t0 a0;_t1 a1;_t2 a2;_t3 a3;_t4 a4;_t5 a5;\
-	if(strcmp(Fmt,_fmtstr)!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,_fmtstr,Fmt);\
 	a0 = *(_t0*)Args;Args+=sizeof(_t0);\
 	a1 = *(_t1*)Args;Args+=sizeof(_t1);\
 	a2 = *(_t2*)Args;Args+=sizeof(_t2);\
@@ -35,7 +43,7 @@ typedef int	(*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int
 }
 #define SYSCALL5(_name, _fmtstr, _t0, _t1, _t2, _t3, _t4, _call) int _name(Uint*Errno,const char*Fmt,void*Args,int*Sizes){\
 	_t0 a0;_t1 a1;_t2 a2;_t3 a3;_t4 a4;\
-	if(strcmp(Fmt,_fmtstr)!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,_fmtstr,Fmt);\
 	a0 = *(_t0*)Args;Args+=sizeof(_t0);\
 	a1 = *(_t1*)Args;Args+=sizeof(_t1);\
 	a2 = *(_t2*)Args;Args+=sizeof(_t2);\
@@ -46,7 +54,7 @@ typedef int	(*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int
 }
 #define SYSCALL4(_name, _fmtstr, _t0, _t1, _t2, _t3, _call) int _name(Uint*Errno,const char*Fmt,void*Args,int*Sizes){\
 	_t0 a0;_t1 a1;_t2 a2;_t3 a3;\
-	if(strcmp(Fmt,_fmtstr)!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,_fmtstr,Fmt);\
 	a0 = *(_t0*)Args;Args+=sizeof(_t0);\
 	a1 = *(_t1*)Args;Args+=sizeof(_t1);\
 	a2 = *(_t2*)Args;Args+=sizeof(_t2);\
@@ -57,7 +65,7 @@ typedef int	(*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int
 
 #define SYSCALL3(_name, _fmtstr, _t0, _t1, _t2, _call) int _name(Uint*Errno,const char*Fmt,void*Args,int*Sizes){\
 	_t0 a0;_t1 a1;_t2 a2;\
-	if(strcmp(Fmt,_fmtstr)!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,_fmtstr,Fmt);\
 	a0 = *(_t0*)Args;Args+=sizeof(_t0);\
 	a1 = *(_t1*)Args;Args+=sizeof(_t1);\
 	a2 = *(_t2*)Args;Args+=sizeof(_t2);\
@@ -67,7 +75,7 @@ typedef int	(*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int
 
 #define SYSCALL2(_name, _fmtstr, _t0, _t1, _call) int _name(Uint*Errno,const char*Fmt,void*Args,int*Sizes){\
 	_t0 a0;_t1 a1;\
-	if(strcmp(Fmt,_fmtstr)!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,_fmtstr,Fmt);\
 	a0 = *(_t0*)Args;Args+=sizeof(_t0);\
 	a1 = *(_t1*)Args;Args+=sizeof(_t1);\
 	LOG("SYSCALL2 '%s' %p %p", Fmt, (intptr_t)a0,(intptr_t)a1);\
@@ -76,14 +84,14 @@ typedef int	(*tSyscallHandler)(Uint *Errno, const char *Format, void *Args, int
 
 #define SYSCALL1(_name, _fmtstr, _t0, _call) int _name(Uint*Errno,const char*Fmt, void*Args,int*Sizes){\
 	_t0 a0;\
-	if(strcmp(Fmt,_fmtstr)!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,_fmtstr,Fmt);\
 	a0 = *(_t0*)Args;Args+=sizeof(_t0);\
 	LOG("SYSCALL1 '%s' %p", Fmt,(intptr_t)a0);\
 	_call;\
 }
 
 #define SYSCALL0(_name, _call) int _name(Uint*Errno,const char*Fmt, void*Args,int*Sizes){\
-	if(strcmp(Fmt,"")!=0)return 0;\
+	_SYSCALL_CHKFMT(_name,"",Fmt);\
 	LOG("SYSCALL0");\
 	_call;\
 }
@@ -167,6 +175,11 @@ SYSCALL4(Syscall_Mount, "ssss", const char *, const char *, const char *, const
 SYSCALL1(Syscall_Chdir, "s", const char *,
 	return VFS_ChDir(a0);
 );
+
+SYSCALL2(Syscall_AN_Getpath, "ds", char *, const char *,
+	return Syscall_AN_GetPath_Real(a0, Sizes[0], a1);
+);
+
 SYSCALL0(Syscall_Sleep,
 	Threads_Sleep();
 	return 0;
@@ -254,6 +267,7 @@ const tSyscallHandler	caSyscalls[] = {
 	[SYS_MOUNT]	= Syscall_Mount,
 	[SYS_REOPEN]	= NULL,	// SYS_REOPEN
 	[SYS_CHDIR]	= Syscall_Chdir,
+	[SYS_AN_GETPATH] = Syscall_AN_Getpath,
 	
 	[SYS_WAITTID]	= Syscall_WaitTID,
 	[SYS_SETUID]	= Syscall_SetUID,
@@ -265,8 +279,8 @@ const tSyscallHandler	caSyscalls[] = {
 	Syscall_GetGID,
 
 	Syscall_Sleep,
-	Syscall_AN_Fork,
-	Syscall_AN_Spawn,
+	[SYS_AN_FORK]  = Syscall_AN_Fork,
+	[SYS_AN_SPAWN] = Syscall_AN_Spawn,
 
 	Syscall_SendMessage,
 	Syscall_GetMessage,
@@ -277,12 +291,12 @@ const int	ciNumSyscalls = sizeof(caSyscalls)/sizeof(caSyscalls[0]);
 /**
  * \brief Recieve a syscall structure from the server code
  */
-tRequestHeader *SyscallRecieve(tRequestHeader *Request, int *ReturnLength)
+tRequestHeader *SyscallRecieve(tRequestHeader *Request, size_t *ReturnLength)
 {
 	char	formatString[Request->NParams+1];
 	char	*inData = (char*)&Request->Params[Request->NParams];
 	 int	argListLen = 0;
-	 int	i, retVal;
+	 int	retVal;
 	tRequestHeader	*ret;
 	 int	retValueCount;
 	 int	retDataLen;
@@ -309,7 +323,7 @@ tRequestHeader *SyscallRecieve(tRequestHeader *Request, int *ReturnLength)
 	retDataLen = sizeof(Uint64) + sizeof(Uint32);	
 
 	// Get size of argument list
-	for( i = 0; i < Request->NParams; i ++ )
+	for( int i = 0; i < Request->NParams; i ++ )
 	{
 		argSizes[i] = Request->Params[i].Length;
 		switch(Request->Params[i].Type)
@@ -344,7 +358,7 @@ tRequestHeader *SyscallRecieve(tRequestHeader *Request, int *ReturnLength)
 			return NULL;	// ERROR!
 		}
 	}
-	formatString[i] = '\0';
+	formatString[Request->NParams] = '\0';
 	
 	LOG("Request %i(%s) '%s'", Request->CallID, casSYSCALL_NAMES[Request->CallID], formatString);
 	
@@ -352,7 +366,7 @@ tRequestHeader *SyscallRecieve(tRequestHeader *Request, int *ReturnLength)
 		char	argListData[argListLen];
 		argListLen = 0;
 		// Build argument list
-		for( i = 0; i < Request->NParams; i ++ )
+		for( int i = 0; i < Request->NParams; i ++ )
 		{
 			returnData[i] = NULL;
 			switch(Request->Params[i].Type)
@@ -449,7 +463,7 @@ tRequestHeader *SyscallRecieve(tRequestHeader *Request, int *ReturnLength)
 	//Log_Debug("Syscalls", "Return 0x%llx", retVal);
 	
 	retValueCount = 2;
-	for( i = 0; i < Request->NParams; i ++ )
+	for( int i = 0; i < Request->NParams; i ++ )
 	{
 		if( Request->Params[i].Type != ARG_TYPE_DATA )	continue;
 		if( !(Request->Params[i].Flags & ARG_FLAG_RETURN) )	continue;