--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tst1.c	Mon Dec 12 10:09:24 2005 +0000
@@ -0,0 +1,57 @@
+#include <stdint.h>
+
+#define PORT_R 1
+#define PORT_W 2
+#define PORT_MEM 4 /* store written value */
+#define PORT_RW 3
+#define PORT_MRW 7
+#define UNDEFINED 0
+
+struct mmio_region {
+    char *id, *desc;
+    uint32_t base;
+    char *mem;
+    struct mmio_port {
+        char *id, *desc;
+        int width;
+        uint32_t offset;
+        uint32_t default;
+        int flags;
+    } *ports;
+};
+
+#define _MACROIZE #define
+
+#define MMIO_REGION_BEGIN(b,id,d) struct mmio_region mmio_region_##id = { #id, d, b, NULL, 
+#define LONG_PORT( o,id,f,def,d ) { #id, desc, 32, o, def, f }, \
+_MACROIZE port_##id o \
+_MACROIZE reg_##id  (*(uint32_t *)(mmio_region_##id.mem + o))
+#define WORD_PORT( o,id,f,def,d ) { #id, desc, 16, o, def, f },
+#define BYTE_PORT( o,id,f,def,d ) { #id, desc, 8, o, def, f },
+#define MMIO_REGION_END {NULL, NULL, 0, 0, 0} };
+
+MMIO_REGION_BEGIN( 0xFF000000, MMU, "MMU Registers" )
+    LONG_PORT( 0x000, PTEH, PORT_MRW, UNDEFINED, "Page table entry high" ),
+    LONG_PORT( 0x004, PTEL, PORT_MRW, UNDEFINED, "Page table entry low" ),
+MMIO_REGION_END
+
+MMIO_REGION_BEGIN( BSC, 0xFF800000, "I/O Port Registers" )
+    LONG_PORT( 0x000, BCR1, PORT_MRW, 0, "" ),
+    WORD_PORT( 0x004, BCR2, PORT_MRW, 0x3FFC, "" ),
+    LONG_PORT( 0x008, WCR1, PORT_MRW, 0x77777777, "" ),
+    LONG_PORT( 0x00C, WCR2, PORT_MRW, 0xFFFEEFFF, "" ),
+    LONG_PORT( 0x010, WCR3, PORT_MRW, 0x07777777, "" ),
+    LONG_PORT( 0x02C, PCTRA, PORT_MRW, 0, "Port control register A" ),
+    WORD_PORT( 0x030, PDTRA, PORT_RW, UNDEFINED, "Port data register A" ),
+    LONG_PORT( 0x040, PCTRB, PORT_MRW, 0, "Port control register B" ),
+    WORD_PORT( 0x044, PCTRB, PORT_RW, UNDEFINED, "Port data register B" ),
+    WORD_PORT( 0x048, GPIOIC, PORT_MRW, 0, "GPIO interrupt control register" )
+MMIO_REGION_END
+
+MMIO_REGION_BEGIN( SCI, 0xFFE00000, "Serial Controller Registers" )
+    
+MMIO_REGION_END
+
+MMIO_REGIN_BEGIN( SCIF, 0xFFE80000, "Serial Controller (FIFO) Registers" )
+MMIO_REGION_END
+