Changeset 577fe9b6 in mainline for boot/arch/ia64/src/sal.c

Timestamp:

2011-08-07T22:09:26Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

699f3bc

Parents:

26fb118a

Message:

Support for calling SAL procedures from the loader.

• Added sal_call() to perform and wrap around calls to SAL.
• Added sal_base_clock_frequency() to read the system base frequency.

File:

• boot/arch/ia64/src/sal.c (modified) (3 diffs)

boot/arch/ia64/src/sal.c

@@ -30 +30 @@
 #include <arch/types.h>
 
-static sal_entrypoint_desc_t *sal_entrypoints;
 static sal_ap_wakeup_desc_t *sal_ap_wakeup;
+
+uint64_t pal_proc = 0;
+
+uint64_t sal_proc = 0;
+uint64_t sal_proc_gp = 0;
 
 void sal_system_table_parse(sal_system_table_header_t *sst)
@@ -41 +45 @@
                 switch ((sal_sst_type_t) *cur) {
                 case SSTT_ENTRYPOINT_DESC:
-                        sal_entrypoints = (sal_entrypoint_desc_t *) cur;
+                        pal_proc = ((sal_entrypoint_desc_t *) cur)->pal_proc;
+                        sal_proc = ((sal_entrypoint_desc_t *) cur)->sal_proc;
+                        sal_proc_gp = ((sal_entrypoint_desc_t *) cur)->sal_proc_gp;
                         cur += sizeof(sal_entrypoint_desc_t);
                         break;
@@ -66 +72 @@
 }
 
+uint64_t sal_base_clock_frequency(void)
+{
+        uint64_t freq;
+        
+        sal_call_1_1(SAL_FREQ_BASE, 0, &freq);
+        
+        return freq;
+}