Changeset 94d614e in mainline for kernel/arch/sparc64/src/start.S

Timestamp:

2006-07-13T17:32:38Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

a5f76758

Parents:

63cda71

Message:

Remove OpenFirmware calls from kernel/ entirely.

Switch the sparc64 port to use bootinfo.

Copy memcpy from boot/ to sparc64 kernel/ and
adjust it for memcpy_from/to_uspace.

File:

• kernel/arch/sparc64/src/start.S (modified) (3 diffs)

kernel/arch/sparc64/src/start.S

@@ -27 +27 @@
 #
 
-#include <arch/boot/boot.h>
 #include <arch/regdef.h>
 
@@ -40 +39 @@
  * Here is where the kernel is passed control
  * from the boot loader.
+ * 
+ * The registers are expected to be in this state:
+ * %o0 bootinfo structure address
+ * %o1 bootinfo structure size
  */
 
@@ -46 +49 @@
         flushw                          ! flush all but the active register window
 
+        /*
+         * Disable interrupts and disable 32-bit address masking.
+         */
         rdpr %pstate, %l0
-        and %l0, ~PSTATE_AM_BIT, %l0
+        and %l0, ~(PSTATE_AM_BIT|PSTATE_IE_BIT), %l0
         wrpr %l0, 0, %pstate
 
-        set ofw_cif, %l0
-
-        call ofw_init
-        stx %o4, [%l0]
-
-        call ofw_init_memmap
+        /*
+         * Copy the bootinfo structure passed from the boot loader
+         * to the kernel bootinfo structure.
+         */
+        mov %o1, %o2
+        mov %o0, %o1
+        set bootinfo, %o0
+        call memcpy
         nop