Changeset a3b034b in mainline

Timestamp:

2013-11-14T21:33:43Z (10 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

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

Children:

a7372ccf

Parents:

9426f7c4

Message:

• Implement early memcpy_from/to_uspace()
• Make MMU flush really working
• Add handlers for more syscalls

Location:

kernel/arch/sparc32/src

Files:

• mm/as.c (modified) (1 diff)
• sparc32.c (modified) (1 diff)
• trap_table.S (modified) (1 diff)

kernel/arch/sparc32/src/mm/as.c

@@ -55 +55 @@
         asi_u32_write(ASI_MMUREGS, 0x200, as->asid);
         asi_u32_write(ASI_MMUCACHE, 0, 1);
-        asi_u32_write(ASI_MMUFLUSH, 0, 1);
+        asi_u32_write(ASI_MMUFLUSH, 0x400, 1);
 }
 

kernel/arch/sparc32/src/sparc32.c

@@ -164 +164 @@
 int memcpy_from_uspace(void *dst, const void *uspace_src, size_t size)
 {
-        return EOK;
+        memcpy(dst, uspace_src, size);
+        return size;
 }
 
 int memcpy_to_uspace(void *uspace_dst, const void *src, size_t size)
 {
-        return EOK;
+        memcpy(uspace_dst, src, size);
+        return size;
 }
 

kernel/arch/sparc32/src/trap_table.S

@@ -923 +923 @@
         SYSCALL(0xa8)
         SYSCALL(0xa9)
+        SYSCALL(0xaa)
+        SYSCALL(0xab)
+        SYSCALL(0xac)
+        SYSCALL(0xad)
+        SYSCALL(0xae)
+        SYSCALL(0xaf)