Changes in boot/arch/sparc64/src/main.c [5691653:7e752b2] in mainline

File:

• boot/arch/sparc64/src/main.c (modified) (4 diffs)

boot/arch/sparc64/src/main.c

@@ -190 +190 @@
         bootinfo.memmap.zones[0].start += OBP_BIAS;
         bootinfo.memmap.zones[0].size -= OBP_BIAS;
-        bootinfo.memmap.total -= OBP_BIAS;
 }
 
@@ -205 +204 @@
         bootinfo.physmem_start = ofw_get_physmem_start();
         ofw_memmap(&bootinfo.memmap);
-
-        if (arch == ARCH_SUN4V)
-                sun4v_fixups();
         
         void *bootinfo_pa = ofw_translate(&bootinfo);
@@ -257 +253 @@
                 
                 /*
-                 * At this point, we claim and map the physical memory that we
-                 * are going to use. We should be safe in case of the virtual
+                 * At this point, we claim the physical memory that we are
+                 * going to use. We should be safe in case of the virtual
                  * address space because the OpenFirmware, according to its
-                 * SPARC binding, should restrict its use of virtual memory to
-                 * addresses from [0xffd00000; 0xffefffff] and [0xfe000000;
-                 * 0xfeffffff].
+                 * SPARC binding, should restrict its use of virtual memory
+                 * to addresses from [0xffd00000; 0xffefffff] and
+                 * [0xfe000000; 0xfeffffff].
+                 *
+                 * We don't map this piece of memory. We simply rely on
+                 * SILO to have it done for us already in this case.
+                 *
+                 * XXX SILO only maps 8 MB for us here. We should improve
+                 *     this code to be totally independent on the behavior
+                 *     of SILO.
+                 *
                  */
                 ofw_claim_phys(bootinfo.physmem_start + dest[i - 1],
                     ALIGN_UP(components[i - 1].inflated, PAGE_SIZE));
-                
-                ofw_map(bootinfo.physmem_start + dest[i - 1], dest[i - 1],
-                    ALIGN_UP(components[i - 1].inflated, PAGE_SIZE), -1);
                 
                 int err = inflate(components[i - 1].start, components[i - 1].size,
@@ -303 +304 @@
                 sun4u_smp();
         
+        if (arch == ARCH_SUN4V)
+                sun4v_fixups();
+        
         printf("Booting the kernel ...\n");
         jump_to_kernel(bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, subarch,