Changeset 1084a784 in mainline for arch/mips32/include/mm/page.h

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.

File:

• arch/mips32/include/mm/page.h (modified) (1 diff)

arch/mips32/include/mm/page.h

@@ -57 +57 @@
 #define PTL1_INDEX_ARCH(vaddr)  0
 #define PTL2_INDEX_ARCH(vaddr)  0
-#define PTL3_INDEX_ARCH(vaddr)  (((vaddr)>>14)&0xfff)
+#define PTL3_INDEX_ARCH(vaddr)  (((vaddr)>>12)&0xfff)
 
 #define GET_PTL0_ADDRESS_ARCH()                 (PTL0)
 #define SET_PTL0_ADDRESS_ARCH(ptl0)             (PTL0 = (pte_t *)(ptl0))
 
-#define GET_PTL1_ADDRESS_ARCH(ptl0, i)          (((pte_t *)(ptl0))[(i)].pfn<<14)
+#define GET_PTL1_ADDRESS_ARCH(ptl0, i)          (((pte_t *)(ptl0))[(i)].pfn<<12)
 #define GET_PTL2_ADDRESS_ARCH(ptl1, i)          (ptl1)
 #define GET_PTL3_ADDRESS_ARCH(ptl2, i)          (ptl2)
-#define GET_FRAME_ADDRESS_ARCH(ptl3, i)         (((pte_t *)(ptl3))[(i)].pfn<<14)
+#define GET_FRAME_ADDRESS_ARCH(ptl3, i)         (((pte_t *)(ptl3))[(i)].pfn<<12)
 
-#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)       (((pte_t *)(ptl0))[(i)].pfn = (a)>>14)
+#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a)       (((pte_t *)(ptl0))[(i)].pfn = (a)>>12)
 #define SET_PTL2_ADDRESS_ARCH(ptl1, i, a)
 #define SET_PTL3_ADDRESS_ARCH(ptl2, i, a)
-#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a)      (((pte_t *)(ptl3))[(i)].pfn = (a)>>14)
+#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a)      (((pte_t *)(ptl3))[(i)].pfn = (a)>>12)
 
 #define GET_PTL1_FLAGS_ARCH(ptl0, i)            get_pt_flags((pte_t *)(ptl0), (index_t)(i))