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[Qemu-devel] [5170] CRIS: Mask off the cache selection bit after MMU tra


From: Edgar E. Iglesias
Subject: [Qemu-devel] [5170] CRIS: Mask off the cache selection bit after MMU translations.
Date: Fri, 05 Sep 2008 17:17:57 +0000

Revision: 5170
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5170
Author:   edgar_igl
Date:     2008-09-05 17:17:55 +0000 (Fri, 05 Sep 2008)

Log Message:
-----------
CRIS: Mask off the cache selection bit after MMU translations.

Modified Paths:
--------------
    trunk/hw/etraxfs.c
    trunk/target-cris/helper.c

Modified: trunk/hw/etraxfs.c
===================================================================
--- trunk/hw/etraxfs.c  2008-09-05 14:22:24 UTC (rev 5169)
+++ trunk/hw/etraxfs.c  2008-09-05 17:17:55 UTC (rev 5170)
@@ -72,41 +72,32 @@
     /* allocate RAM */
     phys_ram = qemu_ram_alloc(ram_size);
     cpu_register_physical_memory(0x40000000, ram_size, phys_ram | IO_MEM_RAM);
-    /* Unached mapping.  */
-    cpu_register_physical_memory(0xc0000000, ram_size, phys_ram | IO_MEM_RAM);
 
     /* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the 
-       internal memory. Cached and uncached mappings.  */
+       internal memory.  */
     phys_intmem = qemu_ram_alloc(INTMEM_SIZE);
-    cpu_register_physical_memory(0xb8000000, INTMEM_SIZE,
-                                 phys_intmem | IO_MEM_RAM);
     cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
                                  phys_intmem | IO_MEM_RAM);
 
 
     phys_flash = qemu_ram_alloc(FLASH_SIZE);
     i = drive_get_index(IF_PFLASH, 0, 0);
-    pflash_cfi02_register(0x80000000, phys_flash,
-                          drives_table[i].bdrv, (64 * 1024),
-                          FLASH_SIZE >> 16,
-                          1, 2, 0x0000, 0x0000, 0x0000, 0x0000,
-                          0x555, 0x2aa);
     pflash_cfi02_register(0x0, phys_flash,
                           drives_table[i].bdrv, (64 * 1024),
                           FLASH_SIZE >> 16,
                           1, 2, 0x0000, 0x0000, 0x0000, 0x0000,
                           0x555, 0x2aa);
-    pic = etraxfs_pic_init(env, 0xb001c000);
-    etraxfs_dmac = etraxfs_dmac_init(env, 0xb0000000, 10);
+    pic = etraxfs_pic_init(env, 0x3001c000);
+    etraxfs_dmac = etraxfs_dmac_init(env, 0x30000000, 10);
     for (i = 0; i < 10; i++) {
         /* On ETRAX, odd numbered channels are inputs.  */
         etraxfs_dmac_connect(etraxfs_dmac, i, pic->irq + 7 + i, i & 1);
     }
 
     /* Add the two ethernet blocks.  */
-    eth[0] = etraxfs_eth_init(&nd_table[0], env, pic->irq + 25, 0xb0034000);
+    eth[0] = etraxfs_eth_init(&nd_table[0], env, pic->irq + 25, 0x30034000);
     if (nb_nics > 1)
-        eth[1] = etraxfs_eth_init(&nd_table[1], env, pic->irq + 26, 
0xb0036000);
+        eth[1] = etraxfs_eth_init(&nd_table[1], env, pic->irq + 26, 
0x30036000);
 
     /* The DMA Connector block is missing, hardwire things for now.  */
     etraxfs_dmac_connect_client(etraxfs_dmac, 0, eth[0]);
@@ -117,13 +108,13 @@
     }
 
     /* 2 timers.  */
-    etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0xb001e000);
-    etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0xb005e000);
+    etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0x3001e000);
+    etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0x3005e000);
 
     for (i = 0; i < 4; i++) {
         if (serial_hds[i]) {
             etraxfs_ser_init(env, pic->irq + 0x14 + i,
-                             serial_hds[i], 0xb0026000 + i * 0x2000);
+                             serial_hds[i], 0x30026000 + i * 0x2000);
         }
     }
 

Modified: trunk/target-cris/helper.c
===================================================================
--- trunk/target-cris/helper.c  2008-09-05 14:22:24 UTC (rev 5169)
+++ trunk/target-cris/helper.c  2008-09-05 17:17:55 UTC (rev 5170)
@@ -89,7 +89,11 @@
        }
        else
        {
-               phy = res.phy;
+               /*
+                * Mask off the cache selection bit. The ETRAX busses do not
+                * see the top bit.
+                */
+               phy = res.phy & ~0x80000000;
                prot = res.prot;
                r = tlb_set_page(env, address, phy, prot, mmu_idx, is_softmmu);
        }






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