diff options
author | Tony Luck <tony.luck@intel.com> | 2007-04-30 16:56:00 -0400 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2007-04-30 16:56:00 -0400 |
commit | b643b0fdbc59cf6bbb086974b29d2571e9e9f646 (patch) | |
tree | 59d1a1298ffc98877183a8def5c180c0f74e568b /arch/ia64/kernel/patch.c | |
parent | e0cc09e295f346b7921e921f385fe5213472316a (diff) | |
parent | 00b65985fb2fc542b855b03fcda0d0f2bab4f442 (diff) |
Pull percpu-dtc into release branch
Diffstat (limited to 'arch/ia64/kernel/patch.c')
-rw-r--r-- | arch/ia64/kernel/patch.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c index bc11bb096f58..e796e29f8e15 100644 --- a/arch/ia64/kernel/patch.c +++ b/arch/ia64/kernel/patch.c | |||
@@ -195,3 +195,23 @@ ia64_patch_gate (void) | |||
195 | ia64_patch_vtop(START(vtop), END(vtop)); | 195 | ia64_patch_vtop(START(vtop), END(vtop)); |
196 | ia64_patch_mckinley_e9(START(mckinley_e9), END(mckinley_e9)); | 196 | ia64_patch_mckinley_e9(START(mckinley_e9), END(mckinley_e9)); |
197 | } | 197 | } |
198 | |||
199 | void ia64_patch_phys_stack_reg(unsigned long val) | ||
200 | { | ||
201 | s32 * offp = (s32 *) __start___phys_stack_reg_patchlist; | ||
202 | s32 * end = (s32 *) __end___phys_stack_reg_patchlist; | ||
203 | u64 ip, mask, imm; | ||
204 | |||
205 | /* see instruction format A4: adds r1 = imm13, r3 */ | ||
206 | mask = (0x3fUL << 27) | (0x7f << 13); | ||
207 | imm = (((val >> 7) & 0x3f) << 27) | (val & 0x7f) << 13; | ||
208 | |||
209 | while (offp < end) { | ||
210 | ip = (u64) offp + *offp; | ||
211 | ia64_patch(ip, mask, imm); | ||
212 | ia64_fc(ip); | ||
213 | ++offp; | ||
214 | } | ||
215 | ia64_sync_i(); | ||
216 | ia64_srlz_i(); | ||
217 | } | ||