Changeset 1fbe8da2 in mainline for arch/ppc32/loader/main.c

Timestamp:

2006-03-15T18:25:43Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f9719b58

Parents:

032a9b3

Message:

ppc32: boot using real mode trampoline
setup segment registers so far

File:

• arch/ppc32/loader/main.c (modified) (2 diffs)

arch/ppc32/loader/main.c

@@ -53 +53 @@
         printf("total memory %d MB\n", memmap.total >> 20);
         
-        // FIXME: map just the kernel
-        if (ofw_map((void *) KERNEL_PHYSICAL_ADDRESS, (void *) KERNEL_VIRTUAL_ADDRESS, memmap.total - 64 * 1024 * 1024, 0) != 0) {
+        if (ofw_map((void *) KERNEL_PHYSICAL_ADDRESS, (void *) KERNEL_VIRTUAL_ADDRESS, KERNEL_SIZE + KERNEL_BOOT_OFFSET, 0) != 0) {
                 printf("Unable to map kernel memory at %L (physical %L)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_PHYSICAL_ADDRESS);
                 halt();
@@ -66 +65 @@
         ofw_map((void *) 0x80816000, (void *) 0xf2000000, 0x00018000, 0);
         
+        void *tramp = ofw_translate(&real_mode);
+        printf("bootstrap trampoline at %L (physical %L)\n", &real_mode, tramp);
         printf("Booting the kernel...\n");
         
         flush_instruction_cache();
-        jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS + KERNEL_BOOT_OFFSET, ofw_translate(&memmap));
+        jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS + KERNEL_BOOT_OFFSET, ofw_translate(&memmap), tramp);
 }