Ticket #4965: ppc-extern-fix.patch

src/tools/makebootable/platform/openfirmware/Jamfile

@@ -8 +8 @@
 # write the stage 1 boot loader into the makebootable resources
 #AddFileDataResource <build>makebootable : RAWT:666:BootCode : stage1.bin ;
 
-#BuildPlatformMain <build>makebootable : makebootable.cpp : $(HOST_LIBBE) ;
-BuildPlatformMain <build>makebootable : makebootable.cpp ;
+BuildPlatformMain <build>makebootable : makebootable.cpp : $(HOST_LIBBE) ;
+#BuildPlatformMain <build>makebootable : makebootable.cpp ;

src/system/kernel/arch/ppc/arch_thread.cpp

@@ -27 +27 @@
 static struct arch_thread sInitialState;
 
 // Helper function for thread creation, defined in arch_asm.S.
-extern void ppc_kernel_thread_root();
+extern "C" void ppc_kernel_thread_root();
 
-extern void ppc_switch_stack_and_call(addr_t newKstack, void (*func)(void *),
+extern "C" void ppc_switch_stack_and_call(addr_t newKstack, void (*func)(void *),
     void *arg);
 
 

src/system/boot/platform/openfirmware/console.cpp

@@ -231 +231 @@
 {
     // Note: We toggle the cursor temporarily to prevent a cursor artifact at
     // at the old location.
+
+    // Note: toggle-cursor is not implimented in qemu openbios-ppc
+
     of_interpret("toggle-cursor"
         " to line#"
         " to column#"
@@ -273 +276 @@
 {
     // Note: Toggling the cursor doesn't seem to help. We still get cursor
     // artifacts.
+
+    // Note: toggle-cursor is not implimented in qemu openbios-ppc
+
     of_interpret("toggle-cursor"
         " to foreground-color"
         " to background-color"

src/system/boot/platform/openfirmware/arch/ppc/cpu.cpp

@@ -45 +45 @@
         if (cpuCount == 0) {
             int cpu = of_finddevice(cpuPath);
             if (cpu == OF_FAILED) {
+                // NOTE: This will always fail on the openbios-ppc prom in qemu.
+                //       For some reason the /cpus/PowerPC,750@0 node cannot be entered to 
+                //       grab its properties and we get a "no such device". Commenting out
+                //       all the B_ERROR's below will get you to the point where we try to 
+                //       draw the boot menu.
                 printf("boot_arch_cpu_init: Failed get CPU device node!\n");
                 return B_ERROR;
             }