Changeset a9ac978 in mainline for kernel/arch/sparc64/src/cpu/cpu.c

Timestamp:

2006-09-27T20:11:34Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

00b38a3

Parents:

86b31ba9

Message:

SMP stuff for sparc64.
Almost complete except for IPIs.
The absence of IPI support deadlocks
the kernel when more CPUs are configured.

File:

• kernel/arch/sparc64/src/cpu/cpu.c (modified) (6 diffs)

kernel/arch/sparc64/src/cpu/cpu.c

@@ -51 +51 @@
         
         upa_config.value = upa_config_read();
+        CPU->arch.mid = upa_config.mid;
+        
         node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
         while (node) {
@@ -58 +60 @@
                 if (prop && prop->value) {
                         mid = *((uint32_t *) prop->value);
-                        if (mid == upa_config.mid) {
+                        if (mid == CPU->arch.mid) {
                                 prop = ofw_tree_getprop(node, "clock-frequency");
                                 if (prop && prop->value)
@@ -79 +81 @@
 /** Print version information for a processor.
  *
+ * This function is called by the bootstrap processor.
+ *
  * @param m Processor structure of the CPU for which version information is to be printed.
  */
@@ -85 +89 @@
         char *manuf, *impl;
 
-        switch (CPU->arch.ver.manuf) {
-            case MANUF_FUJITSU:
+        switch (m->arch.ver.manuf) {
+        case MANUF_FUJITSU:
                 manuf = "Fujitsu";
                 break;
-            case MANUF_ULTRASPARC:
+        case MANUF_ULTRASPARC:
                 manuf = "UltraSPARC";
                 break;
-            case MANUF_SUN:
+        case MANUF_SUN:
                 manuf = "Sun";
                 break;
-            default:
+        default:
                 manuf = "Unknown";
                 break;
@@ -101 +105 @@
         
         switch (CPU->arch.ver.impl) {
-            case IMPL_ULTRASPARCI:
+        case IMPL_ULTRASPARCI:
                 impl = "UltraSPARC I";
                 break;
-            case IMPL_ULTRASPARCII:
+        case IMPL_ULTRASPARCII:
                 impl = "UltraSPARC II";
                 break;
-            case IMPL_ULTRASPARCII_I:
+        case IMPL_ULTRASPARCII_I:
                 impl = "UltraSPARC IIi";
                 break;
-            case IMPL_ULTRASPARCII_E:
+        case IMPL_ULTRASPARCII_E:
                 impl = "UltraSPARC IIe";
                 break;
-            case IMPL_ULTRASPARCIII:
+        case IMPL_ULTRASPARCIII:
                 impl = "UltraSPARC III";
                 break;
-            case IMPL_ULTRASPARCIV_PLUS:
+        case IMPL_ULTRASPARCIV_PLUS:
                 impl = "UltraSPARC IV+";
                 break;
-            case IMPL_SPARC64V:
+        case IMPL_SPARC64V:
                 impl = "SPARC 64V";
                 break;
-            default:
+        default:
                 impl = "Unknown";
                 break;
@@ -128 +132 @@
 
         printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n",
-                CPU->id, manuf, impl, CPU->arch.ver.mask, CPU->arch.clock_frequency/1000000);
+                m->id, manuf, impl, m->arch.ver.mask, m->arch.clock_frequency/1000000);
 }