X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=testpico%2Fsh2_main.c;h=1bd9b909d617fb96f2c07ff52af04560d6bbf94e;hb=6474d733133dc605ee02e4e2e02f025c41d202df;hp=97ecd3a895d2b58206434bccba2ba0d83494d2a8;hpb=06d7984c0110c58104633dc4359fa7a8343bac11;p=megadrive.git

diff --git a/testpico/sh2_main.c b/testpico/sh2_main.c
index 97ecd3a..1bd9b90 100644
--- a/testpico/sh2_main.c
+++ b/testpico/sh2_main.c
@@ -3,6 +3,15 @@
 void spin(int loops);
 u16  read_frt(void);
 
+// comm area map:
+// 00-01: cmd
+// 02-03: error
+// 04-07: arg0/response
+// 08-0b: arg1
+// 0c: last_irq_vec_master
+// 0d: last_irq_vec_slave
+// 0e: exception_index_master
+// 0f: exception_index_slave
 static void do_cmd(u16 cmd, u16 r[6], u32 is_slave)
 {
     u32 *rl = (u32 *)r;
@@ -49,6 +58,14 @@ static void do_cmd(u16 cmd, u16 r[6], u32 is_slave)
         d = read32(&rl[8/4]);
         write32(a, d);
         break;
+    case CMD_GETGBR:
+        asm("stc gbr, %0" : "=r"(d));
+        write32(&rl[4/4], d);
+        break;
+    case CMD_GETVBR:
+        asm("stc vbr, %0" : "=r"(d));
+        write32(&rl[4/4], d);
+        break;
     default:
         r[2/2]++; // error
         mem_barrier();