Changeset bfb87df in mainline for arch/amd64

Timestamp:

2006-02-09T17:02:36Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

8f00329

Parents:

874878a

Message:

Remove WAKEUP_IPI stuff.

Make it possible to use PAGE_GLOBAL on ia32, amd64 and mips32.
Make ia32 and amd64 map the kernel using PAGE_GLOBAL.

Location:

arch/amd64

Files:

• include/interrupt.h (modified) (1 diff)
• include/mm/page.h (modified) (2 diffs)
• src/amd64.c (modified) (1 diff)
• src/interrupt.c (modified) (1 diff)
• src/mm/page.c (modified) (2 diffs)

arch/amd64/include/interrupt.h

@@ -72 +72 @@
 extern void syscall(int n, void *stack);
 extern void tlb_shootdown_ipi(int n, void *stack);
-extern void wakeup_ipi(int n, void *stack);
 
 extern void trap_virtual_enable_irqs(__u16 irqmask);

arch/amd64/include/mm/page.h

@@ -102 +102 @@
                 1<<PAGE_READ_SHIFT |
                 p->writeable<<PAGE_WRITE_SHIFT |
-                (!p->no_execute)<<PAGE_EXEC_SHIFT
+                (!p->no_execute)<<PAGE_EXEC_SHIFT |
+                p->global<<PAGE_GLOBAL_SHIFT
         );
 }
@@ -123 +124 @@
         p->writeable = (flags & PAGE_WRITE) != 0;
         p->no_execute = (flags & PAGE_EXEC) == 0;
+        p->global = (flags & PAGE_GLOBAL) != 0;
 }
 

arch/amd64/src/amd64.c

@@ -122 +122 @@
                 exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
                              tlb_shootdown_ipi);
-                exc_register(VECTOR_WAKEUP_IPI, "wakeup_ipi", wakeup_ipi);
                 #endif /* CONFIG_SMP */
         }

arch/amd64/src/interrupt.c

@@ -142 +142 @@
 }
 
-void wakeup_ipi(int n, void *stack)
-{
-        trap_virtual_eoi();
-}
-
 void trap_virtual_enable_irqs(__u16 irqmask)
 {

arch/amd64/src/mm/page.c

@@ -42 +42 @@
 {
         __address cur;
+        int flags;
 
         if (config.cpu_active == 1) {
@@ -50 +51 @@
                  */
                 for (cur = 0; cur < last_frame; cur += FRAME_SIZE) {
-                        page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, PAGE_CACHEABLE | PAGE_EXEC);
+                        flags = PAGE_CACHEABLE | PAGE_EXEC;
+                        if ((PA2KA(cur) >= config.base) && (PA2KA(cur) < config.base + config.kernel_size))
+                                flags |= PAGE_GLOBAL;
+                        page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
                 }
                 exc_register(14, "page_fault", (iroutine)page_fault);