Changeset 296426ad in mainline for kernel/arch/amd64/src/syscall.c

Timestamp:

2007-11-16T16:17:18Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

9c2fb97

Parents:

e686744c

Message:

Support for 6 syscalls arguments on amd64.

File:

• kernel/arch/amd64/src/syscall.c (modified) (1 diff)

kernel/arch/amd64/src/syscall.c

@@ -53 +53 @@
         /* Setup syscall entry address */
         
-        /* This is _mess_ - the 64-bit CS is argument+16,
-         * the SS is argument+8. The order is:
+        /* This is _mess_ - the 64-bit CS is argument + 16,
+         * the SS is argument + 8. The order is:
          * +0(KDATA_DES), +8(UDATA_DES), +16(UTEXT_DES)
          */
         write_msr(AMD_MSR_STAR,
-                  ((uint64_t)(gdtselector(KDATA_DES) | PL_USER)<<48) \
-                  | ((uint64_t)(gdtselector(KTEXT_DES) | PL_KERNEL)<<32));
+            ((uint64_t)(gdtselector(KDATA_DES) | PL_USER) << 48) |
+            ((uint64_t)(gdtselector(KTEXT_DES) | PL_KERNEL) << 32));
         write_msr(AMD_MSR_LSTAR, (uint64_t)syscall_entry);
         /* Mask RFLAGS on syscall