X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibc.so_src%2Fstub.c;h=2494fc2800b148373d4adb2853d4fddd02d5cb8d;hb=e100e9c2fb6d222c1dcca93b7fcd9de1ee1144b5;hp=0233b977d9e9674591f6c9eb38dc3b6a3e00aee2;hpb=5fc81fa5e050f48374a6aff5636f3e60313dfc78;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/libc.so_src/stub.c b/Usermode/Libraries/libc.so_src/stub.c
index 0233b977..2494fc28 100644
--- a/Usermode/Libraries/libc.so_src/stub.c
+++ b/Usermode/Libraries/libc.so_src/stub.c
@@ -3,9 +3,26 @@
  */
 #include "stdio_int.h"
 #include "lib.h"
+#include <stdio.h>
+#include <sys/sys.h>
+
+#define USE_CPUID	0
+
+// === TYPES ===
+typedef struct {
+	intptr_t	Base;
+	char	*Name;
+}	tLoadedLib;
 
 // === PROTOTYPES ===
+#if USE_CPUID
 static void	cpuid(uint32_t Num, uint32_t *EAX, uint32_t *EBX, uint32_t *EDX, uint32_t *ECX);
+#endif
+ int	ErrorHandler(int Fault);
+
+// === IMPORTS ===
+extern tLoadedLib	gLoadedLibraries[64];
+extern int	_SysSetFaultHandler(int (*Handler)(int));
 
 // === GLOBALS ===
 extern char **_envp;
@@ -14,7 +31,9 @@ extern struct sFILE	*stdin;
 extern struct sFILE	*stdout;
 extern struct sFILE	*stderr;
 // --- CPU Features ---
+#if USE_CPUID
 tCPUID	gCPU_Features;
+#endif
 
 // === CODE ===
 /**
@@ -29,6 +48,18 @@ int SoMain(unsigned int BaseAddress, int argc, char **argv, char **envp)
 {
 	// Init for env.c
 	_envp = envp;
+
+	#if 0	
+	{
+		 int	i = 0;
+		char	**tmp;
+		_SysDebug("envp = %p", envp);
+		for(tmp = envp; *tmp; tmp++,i++)
+		{
+			_SysDebug("envp[%i] = '%s'", i, *tmp);
+		}
+	}
+	#endif
 	
 	// Init FileIO Pointers
 	stdin = &_iob[0];
@@ -38,19 +69,37 @@ int SoMain(unsigned int BaseAddress, int argc, char **argv, char **envp)
 	stderr = &_iob[2];
 	stderr->FD = 2;	stderr->Flags = FILE_FLAG_MODE_WRITE;
 	
-	/*
+	#if USE_CPUID
 	{
 		uint32_t	ecx, edx;
 		cpuid(1, NULL, NULL, &edx, &ecx);
 		gCPU_Features.SSE  = edx & (1 << 25);	// SSE
 		gCPU_Features.SSE2 = edx & (1 << 26);	// SSE2
 	}
-	*/
+	#endif
+	
+	// Set Error handler
+	_SysSetFaultHandler(ErrorHandler);
 	
 	return 1;
 }
 
+int ErrorHandler(int Fault)
+{
+	 int	i;
+	fprintf(stderr, "ErrorHandler: (Fault = %i)\n", Fault);
+	fprintf(stderr, "Loaded Libraries:\n");
+	for( i = 0; i < 64; i ++ )
+	{
+		//if(gLoadedLibraries[i].Base == 0)	continue;
+	//	fprintf(stderr, "%02i: %p  %s\n", i, gLoadedLibraries[i].Base, gLoadedLibraries[i].Name);
+	}
+	fprintf(stderr, "\n");
+	exit(-1);
+	return -1;
+}
 
+#if USE_CPUID
 /**
  * \brief Call the CPUID opcode
  */
@@ -69,3 +118,4 @@ static void cpuid(uint32_t Num, uint32_t *EAX, uint32_t *EBX, uint32_t *EDX, uin
 	if(EDX)	*EDX = edx;
 	if(ECX)	*ECX = ecx;
 }
+#endif