# HG changeset patch
# User nkeynes
# Date 1219150846 0
# Node ID 2e08d8237d3387cdde0239d132a23c1c7417367e
# Parent  e9d2d9be7cb6025dc5af65ade50d7490cec65d5e
Add semi-documented PVR register at 0xFF000030 (SH4 version identification)

--- a/src/sh4/mmu.c	Tue Aug 19 08:38:10 2008 +0000
+++ b/src/sh4/mmu.c	Tue Aug 19 13:00:46 2008 +0000
@@ -138,6 +138,8 @@
 {
     uint32_t tmp;
     switch(reg) {
+    case SH4VER:
+        return;
     case PTEH:
         val &= 0xFFFFFCFF;
         if( (val & 0xFF) != mmu_asid ) {
--- a/src/sh4/sh4mmio.h	Tue Aug 19 08:38:10 2008 +0000
+++ b/src/sh4/sh4mmio.h	Tue Aug 19 13:00:46 2008 +0000
@@ -46,6 +46,7 @@
     LONG_PORT( 0x020, TRA,  PORT_MRW, UNDEFINED, "TRAPA exception register" )
     LONG_PORT( 0x024, EXPEVT,PORT_MRW, 0, "Exception event register" )
     LONG_PORT( 0x028, INTEVT,PORT_MRW, UNDEFINED, "Interrupt event register" )
+    LONG_PORT( 0x030, SH4VER, PORT_MRW, 0x040205C1, "SH4 version register (PVR)" ) /* Renamed to avoid naming conflict */
     LONG_PORT( 0x034, PTEA, PORT_MRW, UNDEFINED, "Page table entry assistance" )
     LONG_PORT( 0x038, QACR0,PORT_MRW, UNDEFINED, "Queue address control 0" )
     LONG_PORT( 0x03C, QACR1,PORT_MRW, UNDEFINED, "Queue address control 1" )
--- a/test/testregs.c	Tue Aug 19 08:38:10 2008 +0000
+++ b/test/testregs.c	Tue Aug 19 13:00:46 2008 +0000
@@ -193,6 +193,8 @@
     { 0xA05F81F8, 0xFFFFFFFF, 0 },
     { 0xA05F81FC, 0xFFFFFFFF, 0 },
     { 0xFF00001C, 0xFFFFFFFF, 0x000081A7 },
+    { 0xFF000030, 0xFFFFFFFF, 0x040205C1 },
+    { 0xFF000030, 0, 0x040205C1 },
     { 0, 0, 0 } };
     
 int main( int argc, char *argv[] )