[commit] r1289 - in trunk/openbios-devel: arch/sparc64 forth/device

[repository service]

Author: mcayland
Date: Mon May 12 17:43:35 2014
New Revision: 1289
URL: http://tracker.coreboot.org/trac/openbios/changeset/1289

Log:
SPARC64: add basic get-msecs implementation

This is currently based upon the %tick register, although at some point it
should be moved to a per-CPU timer.

Signed-off-by: Mark Cave-Ayland

Modified:
   trunk/openbios-devel/arch/sparc64/openbios.c
   trunk/openbios-devel/forth/device/other.fs

Modified: trunk/openbios-devel/arch/sparc64/openbios.c
==============================================================================
--- trunk/openbios-devel/arch/sparc64/openbios.c	Mon May 12 17:43:22 2014	(r1288)
+++ trunk/openbios-devel/arch/sparc64/openbios.c	Mon May 12 17:43:35 2014	(r1289)
@@ -561,6 +561,8 @@
     PUSH(virt + MEMORY_SIZE);
 }

+extern volatile uint64_t *obp_ticks_pointer;
+
 static void
 arch_init( void )
 {
@@ -572,6 +574,10 @@
         nvconf_init();
         device_end();

+        /* Point to the Forth obp-ticks variable */
+        fword("obp-ticks");
+        obp_ticks_pointer = cell2pointer(POP());
+
    bind_func("platform-boot", boot );
    bind_func("(go)", go);
 }

Modified: trunk/openbios-devel/forth/device/other.fs
==============================================================================
--- trunk/openbios-devel/forth/device/other.fs	Mon May 12 17:43:22 2014	(r1288)
+++ trunk/openbios-devel/forth/device/other.fs	Mon May 12 17:43:35 2014	(r1289)
@@ -93,21 +93,21 @@

\ 5.3.7.3 Time

-[IFDEF] CONFIG_SPARC32
+[IFDEF] CONFIG_PPC

-\ OBP tick value updated by timer interrupt
-variable obp-ticks
+0 value dummy-msecs

: get-msecs    ( -- n )
-  obp-ticks @
+  dummy-msecs dup 1+ to dummy-msecs
   ;

[ELSE]

-0 value dummy-msecs
+\ OBP tick value updated by timer interrupt
+variable obp-ticks

: get-msecs    ( -- n )
-  dummy-msecs dup 1+ to dummy-msecs
+  obp-ticks @
   ;

[THEN]