Changeset 1084a784 in mainline for include

Timestamp:

2005-10-04T22:09:41Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

342de62

Parents:

8e3f47b3

Message:

mips32 memory management work.
TLB Refill Exception implemented (passed basic testing).
Remove bit g from struct entry_hi.
Add generic find_mapping().
Add asid to vm_t type, define asid_t to hide architecture specific differences.
Implement ASID allocation for mips32, dummy for other architectures.
Add THE→vm (a.k.a. VM).
Add vm_install_arch().
Move pte_t definition to arch/types.h on each architecture.
Fix PTL manipulating functions on mips32 to shift pfn by 12 instead of by 14.
Fix tlb_init_arch() to initialize all entries.

Other.
Remove unnecessary header files from arch.h
Add missing headers here and there.
Remove two unnecessary ld flags from mips32 makefile.

Location:

include

Files:

• arch.h (modified) (2 diffs)
• mm/page.h (modified) (1 diff)
• mm/vm.h (modified) (2 diffs)

include/arch.h

@@ -37 +37 @@
 #include <arch/asm.h> 
 
-#include <proc/thread.h>
-#include <proc/task.h>
-
 #define CPU                     THE->cpu
 #define THREAD                  THE->thread
 #define TASK                    THE->task
+#define VM                      THE->vm
 #define PREEMPTION_DISABLED     THE->preemption_disabled
 
@@ -59 +57 @@
         task_t *task;                   /* current task */
         cpu_t *cpu;                     /* executing cpu */
+        vm_t *vm;                       /* current vm */
 };
 

include/mm/page.h

@@ -109 +109 @@
 extern void page_init(void);
 extern void map_page_to_frame(__address page, __address frame, int flags, __address root);
+extern pte_t *find_mapping(__address page, __address root);
 extern void map_structure(__address s, size_t size);
 

include/mm/vm.h

@@ -32 +32 @@
 #include <arch/mm/page.h>
 #include <arch/mm/vm.h>
+#include <arch/mm/asid.h>
 #include <arch/types.h>
 #include <typedefs.h>
@@ -75 +76 @@
         link_t vm_area_head;
         pte_t *ptl0;
+        asid_t asid;
 };