Changeset da1bafb in mainline for kernel/arch/ppc32/src/mm/as.c

Timestamp:

2010-05-24T18:57:31Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

0095368

Parents:

666f492

Message:

major code revision

• replace spinlocks taken with interrupts disabled with irq_spinlocks
• change spacing (not indendation) to be tab-size independent
• use unsigned integer types where appropriate (especially bit flags)
• visual separation
• remove argument names in function prototypes
• string changes
• correct some formating directives
• replace various cryptic single-character variables (t, a, m, c, b, etc.) with proper identifiers (thread, task, timeout, as, itm, itc, etc.)
• unify some assembler constructs
• unused page table levels are now optimized out in compile time
• replace several ints (with boolean semantics) with bools
• use specifically sized types instead of generic types where appropriate (size_t, uint32_t, btree_key_t)
• improve comments
• split asserts with conjuction into multiple independent asserts

File:

• kernel/arch/ppc32/src/mm/as.c (modified) (1 diff)

kernel/arch/ppc32/src/mm/as.c

@@ -55 +55 @@
 void as_install_arch(as_t *as)
 {
-        asid_t asid;
         uint32_t sr;
-
-        asid = as->asid;
         
         /* Lower 2 GB, user and supervisor access */
-        for (sr = 0; sr < 8; sr++) {
-                asm volatile (
-                        "mtsrin %0, %1\n"
-                        :
-                        : "r" ((0x6000 << 16) + (asid << 4) + sr), "r" (sr << 28)
-                );
-        }
+        for (sr = 0; sr < 8; sr++)
+                sr_set(0x6000, as->asid, sr);
         
         /* Upper 2 GB, only supervisor access */
-        for (sr = 8; sr < 16; sr++) {
-                asm volatile (
-                        "mtsrin %0, %1\n"
-                        :
-                        : "r" ((0x4000 << 16) + (asid << 4) + sr), "r" (sr << 28)
-                );
-        }
+        for (sr = 8; sr < 16; sr++)
+                sr_set(0x4000, as->asid, sr);
 }