Changeset 005b765 in mainline for kernel/arch/arm32/include/cpu.h

Timestamp:

2013-01-24T22:07:06Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

03362fbd, 3acd1bb, d59c046

Parents:

6218d4b (diff), 24bead17 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge arm improvements.

Speed up boot by enabling caches early (but disable before jumping to kernel).
Add cycle counters on armv7.
Move bbxm dispc driver to uspace.
Add arm PROCESSOR and PROCESSOR_ARCH defines.

File:

• kernel/arch/arm32/include/cpu.h (modified) (2 diffs)

kernel/arch/arm32/include/cpu.h

@@ -40 +40 @@
 #include <arch/asm.h>
 
+enum {
+        ARM_MAX_CACHE_LEVELS = 7,
+};
 
 /** Struct representing ARM CPU identification. */
@@ -57 +60 @@
         /** Revision number. */
         uint32_t rev_num;
+
+        struct {
+                unsigned ways;
+                unsigned sets;
+                unsigned line_size;
+                unsigned way_shift;
+                unsigned set_shift;
+        } dcache[ARM_MAX_CACHE_LEVELS];
+        unsigned dcache_levels;
 } cpu_arch_t;