Changeset 699f3bc in mainline

Timestamp:

2011-08-15T13:23:54Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

86a34d3e, 8d8eeb9

Parents:

577fe9b6

Message:

Support for calling static PAL procedures from the loader.

• Added pal_static_call() to perform and wrap around static PAL calls.
• Added pal_proc_freq_ratio() to read processor frequency ratio from PAL.

Location:

boot/arch/ia64

Files:

• Makefile.inc (modified) (1 diff)
• include/pal.h (added)
• src/main.c (modified) (2 diffs)
• src/pal.c (added)
• src/pal_asm.S (added)
• src/sal.c (modified) (1 diff)

boot/arch/ia64/Makefile.inc

@@ -47 +47 @@
         arch/$(BARCH)/src/sal.c \
         arch/$(BARCH)/src/sal_asm.S \
+        arch/$(BARCH)/src/pal.c \
+        arch/$(BARCH)/src/pal_asm.S \
         arch/$(BARCH)/src/putchar.c \
         $(COMPS_C) \

boot/arch/ia64/src/main.c

@@ -36 +36 @@
 #include <genarch/efi.h>
 #include <arch/sal.h>
+#include <arch/pal.h>
 #include <halt.h>
 #include <printf.h>
@@ -121 +122 @@
 {
         if (bootpar) {
-                /* TODO: read the real value from PAL */
-                bootinfo.freq_scale = DEFAULT_FREQ_SCALE;
+                bootinfo.freq_scale = pal_proc_freq_ratio();
         } else {
                 /* Configure default values for simulators. */

boot/arch/ia64/src/sal.c

@@ -32 +32 @@
 static sal_ap_wakeup_desc_t *sal_ap_wakeup;
 
-uint64_t pal_proc = 0;
+extern uint64_t pal_proc;
 
 uint64_t sal_proc = 0;