[arty] 23764: Fixed support for disk and filesystem. We're reading files normally. Now working on display modes and character input.

Author: arty
Date: Tue Aug 29 10:28:13 2006
New Revision: 23764

URL: http://svn.reactos.org/svn/reactos?rev=23764&view=rev
Log:
Fixed support for disk and filesystem.  We're reading files normally.
Now working on display modes and character input.

Modified:
    branches/powerpc/reactos/boot/freeldr/bootsect/ofw_util.s
    branches/powerpc/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c
    branches/powerpc/reactos/boot/freeldr/freeldr/fs/fs.c
    branches/powerpc/reactos/boot/freeldr/freeldr/include/arch.h
    branches/powerpc/reactos/boot/freeldr/freeldr/include/of.h
    branches/powerpc/reactos/tools/ofw_interface/calls.ofw

Modified: branches/powerpc/reactos/boot/freeldr/bootsect/ofw_util.s
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/boot/freeldr/bo…
==============================================================================
--- branches/powerpc/reactos/boot/freeldr/bootsect/ofw_util.s (original)
+++ branches/powerpc/reactos/boot/freeldr/bootsect/ofw_util.s Tue Aug 29 10:28:13 2006
@@ -50,7 +50,8 @@
 	mr	%r5,%r6
 	mr	%r6,%r7
 	mr	%r7,%r8
-
+	mr	%r8,%r9
+	
 	/* Goto the swapped function */
 	bctrl
 

Modified: branches/powerpc/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/boot/freeldr/fr…
==============================================================================
--- branches/powerpc/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c (original)
+++ branches/powerpc/reactos/boot/freeldr/freeldr/arch/powerpc/mach.c Tue Aug 29 10:28:13
2006
@@ -169,11 +169,16 @@
  */
 ULONG PpcGetMemoryMap( PBIOS_MEMORY_MAP BiosMemoryMap,
                        ULONG MaxMemoryMapSize ) {
-    int i, memhandle, returned, total = 0, num_mem = 0;
+    int i, memhandle, mmuhandle, returned, total = 0, num_mem = 0;
     int memdata[256];
+
+    printf("PpcGetMemoryMap(%d)\n", MaxMemoryMapSize);
 
     ofw_getprop(chosen_package, "memory", 
 		(char *)&memhandle, sizeof(memhandle));
+    ofw_getprop(chosen_package, "mmu",
+		(char *)&mmuhandle, sizeof(mmuhandle));
+
     returned = ofw_getprop(memhandle, "available", 
 			   (char *)memdata, sizeof(memdata));
 
@@ -188,6 +193,10 @@
 	    BiosMemoryMap[num_mem].Length = TOTAL_HEAP_NEEDED;	     
 	    ofw_claim(BiosMemoryMap[num_mem].BaseAddress, 
 		      BiosMemoryMap[num_mem].Length, 0x1000); /* claim it */
+	    printf("virt2phys(%x)->%x\n",
+		   BiosMemoryMap[num_mem].BaseAddress,
+		   ofw_virt2phys
+		   (mmuhandle, BiosMemoryMap[num_mem].BaseAddress));
 	    total += BiosMemoryMap[0].Length;
 	    num_mem++;
 	}
@@ -237,7 +246,7 @@
 }
 
 BOOLEAN PpcDiskReadLogicalSectors( ULONG DriveNumber, ULONGLONG SectorNumber,
-                                ULONG SectorCount, PVOID Buffer ) {
+				   ULONG SectorCount, PVOID Buffer ) {
     int rlen = 0;
 
     if( part_handle == -1 ) {
@@ -254,11 +263,13 @@
 	return FALSE;
     }
 
-    if( ofw_seek( part_handle, SectorNumber * 512 ) ) {
-	printf("Seek to %x failed\n", SectorNumber * 512);
+    if( ofw_seek( part_handle, 
+		   (ULONG)(SectorNumber >> 25), 
+		   (ULONG)((SectorNumber * 512) & 0xffffffff) ) ) {
+	printf("Seek to %x failed\n", (ULONG)(SectorNumber * 512));
 	return FALSE;
     }
-    rlen = ofw_read( part_handle, Buffer, SectorCount * 512 );
+    rlen = ofw_read( part_handle, Buffer, (ULONG)(SectorCount * 512) );
     return rlen > 0;
 }
 
@@ -293,15 +304,25 @@
 typedef unsigned int uint32_t;
 
 void PpcInit( of_proxy the_ofproxy ) {
-    int len;
+    int len, stdin_handle_chosen;
     ofproxy = the_ofproxy;
 
-    ofw_print_string("Made it into freeldr LE code ... bootstrap complete\n");
+    ofw_print_string("Freeldr PowerPC Init\n");
 
     chosen_package = ofw_finddevice( "/chosen" );
 
+    ofw_print_string("Freeldr: chosen_package is ");
+    ofw_print_number(chosen_package);
+    ofw_print_string("\n");
+
     ofw_getprop( chosen_package, "stdin",
-                 (char *)&stdin_handle, sizeof(stdin_handle) );
+                 (char *)&stdin_handle_chosen, sizeof(stdin_handle_chosen) );
+
+    ofw_print_string("Freeldr: stdin_handle is ");
+    ofw_print_number(stdin_handle_chosen);
+    ofw_print_string("\n");
+
+    stdin_handle = stdin_handle_chosen;
 
     /* stdin_handle = REV(stdin_handle); */
 

Modified: branches/powerpc/reactos/boot/freeldr/freeldr/fs/fs.c
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/boot/freeldr/fr…
==============================================================================
--- branches/powerpc/reactos/boot/freeldr/freeldr/fs/fs.c (original)
+++ branches/powerpc/reactos/boot/freeldr/freeldr/fs/fs.c Tue Aug 29 10:28:13 2006
@@ -27,6 +27,7 @@

/////////////////////////////////////////////////////////////////////////////////////////////
 
 ULONG			FsType = 0;	// Type of filesystem on boot device, set by FsOpenVolume()
+PVOID                   FsStaticBufferDisk = 0, FsStaticBufferData = 0;
 

/////////////////////////////////////////////////////////////////////////////////////////////
 // FUNCTIONS
@@ -51,8 +52,20 @@
 {
 	CHAR ErrorText[80];
 
+	printf("FsOpenVolume: (disk=%d,start=%d,count=%d,type=%d)\n",
+	       DriveNumber, StartSector, SectorCount, Type);
+
 	FsType = Type;
 
+	if( !FsStaticBufferDisk )
+	    FsStaticBufferDisk = MmAllocateMemory( 0x20000 );
+	if( !FsStaticBufferDisk )
+	{
+	        FileSystemError("could not allocate filesystem static buffer");
+		return FALSE;
+	}
+	FsStaticBufferData = ((PCHAR)FsStaticBufferDisk) + 0x10000;
+	    
 	switch (FsType)
 	{
 	case FS_FAT:

Modified: branches/powerpc/reactos/boot/freeldr/freeldr/include/arch.h
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/boot/freeldr/fr…
==============================================================================
--- branches/powerpc/reactos/boot/freeldr/freeldr/include/arch.h (original)
+++ branches/powerpc/reactos/boot/freeldr/freeldr/include/arch.h Tue Aug 29 10:28:13 2006
@@ -34,11 +34,17 @@
 #define STACK16ADDR	0x7000	/* The 16-bit stack top will be at 0000:7000 */
 #define STACK32ADDR	0x78000	/* The 32-bit stack top will be at 7000:8000, or 0x78000 */
 
+#ifdef _M_IX86
 #define BIOSCALLBUFFER		0x78000	/* Buffer to store temporary data for any Int386() call
*/
 #define BIOSCALLBUFSEGMENT	0x7800	/* Buffer to store temporary data for any Int386() call
*/
 #define BIOSCALLBUFOFFSET	0x0000	/* Buffer to store temporary data for any Int386() call
*/
 #define FILESYSBUFFER		0x80000	/* Buffer to store file system data (e.g. cluster buffer
for FAT) */
 #define DISKREADBUFFER		0x90000	/* Buffer to store data read in from the disk via the
BIOS */
+#elif defined(_M_PPC)
+extern PVOID FsStaticBufferDisk, FsStaticBufferData;
+#define DISKREADBUFFER		FsStaticBufferDisk
+#define FILESYSBUFFER           FsStaticBufferData
+#endif
 
 /* Makes "x" a global variable or label */
 #define EXTERN(x)	.global x; x:

Modified: branches/powerpc/reactos/boot/freeldr/freeldr/include/of.h
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/boot/freeldr/fr…
==============================================================================
--- branches/powerpc/reactos/boot/freeldr/freeldr/include/of.h (original)
+++ branches/powerpc/reactos/boot/freeldr/freeldr/include/of.h Tue Aug 29 10:28:13 2006
@@ -10,7 +10,7 @@
 #include <string.h>
 
 typedef int (*of_proxy)
-    ( int table_off, void *arg1, void *arg2, void *arg3, void *arg4, void *arg5 );
+    ( int table_off, void *arg1, void *arg2, void *arg3, void *arg4, void *arg5, void
*arg6 );
 typedef long jmp_buf[100];
 extern of_proxy ofproxy;
 extern void le_swap( void *begin, void *end, void *dest );

Modified: branches/powerpc/reactos/tools/ofw_interface/calls.ofw
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/tools/ofw_inter…
==============================================================================
--- branches/powerpc/reactos/tools/ofw_interface/calls.ofw (original)
+++ branches/powerpc/reactos/tools/ofw_interface/calls.ofw Tue Aug 29 10:28:13 2006
@@ -8,7 +8,7 @@
 exit			0	0	
 child			1	1	int int
 peer			1	1	int int
-seek			2	1	int int int
+seek			3	1	int int int int
 # MMU methods 
 # claim (virt size align -- base)
 claim			3	1	int int int int