Changeset ef9a2a8 in mainline for kernel/arch/sparc32/include/arch/arch.h

Timestamp:

2013-09-15T19:23:19Z (11 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

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

Children:

3efc35a

Parents:

b6b02c0

Message:

Introduce early MMU support in kernel. At current state, it
is possible to create initial kernel address space, map kernel
identity into it and take over MMU control. ASID FIFO support
should also work.

File:

• kernel/arch/sparc32/include/arch/arch.h (modified) (2 diffs)

kernel/arch/sparc32/include/arch/arch.h

@@ -1 +1 @@
 /*
  * Copyright (c) 2010 Martin Decky
+ * Copyright (c) 2013 Jakub Klama
  * All rights reserved.
  *
@@ -38 +39 @@
 #ifndef __ASM__
 
-void arch_pre_main(void);
+#include <typedefs.h>
+
+/* ASI assignments: */
+#define ASI_CACHEMISS   0x01
+#define ASI_CACHECTRL   0x02
+#define ASI_MMUREGS     0x19
+#define ASI_MMUBYPASS   0x1c
+
+#define TASKMAP_MAX_RECORDS  32
+#define CPUMAP_MAX_RECORDS   32
+
+#define BOOTINFO_TASK_NAME_BUFLEN 32
+
+typedef struct {
+        void *addr;
+        size_t size;
+        char name[BOOTINFO_TASK_NAME_BUFLEN];
+} utask_t;
+
+typedef struct {
+        size_t cnt;
+        utask_t tasks[TASKMAP_MAX_RECORDS];
+} bootinfo_t;
+
+void arch_pre_main(bootinfo_t *bootinfo);
 
 #endif