diff options
Diffstat (limited to 'arch/arm/mm/proc-v6.S')
| -rw-r--r-- | arch/arm/mm/proc-v6.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 5900cd520e84..86b8b480634f 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S | |||
| @@ -107,6 +107,12 @@ ENTRY(cpu_v6_switch_mm) | |||
| 107 | mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB | 107 | mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB |
| 108 | mcr p15, 0, r2, c7, c10, 4 @ drain write buffer | 108 | mcr p15, 0, r2, c7, c10, 4 @ drain write buffer |
| 109 | mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 | 109 | mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 |
| 110 | #ifdef CONFIG_PID_IN_CONTEXTIDR | ||
| 111 | mrc p15, 0, r2, c13, c0, 1 @ read current context ID | ||
| 112 | bic r2, r2, #0xff @ extract the PID | ||
| 113 | and r1, r1, #0xff | ||
| 114 | orr r1, r1, r2 @ insert into new context ID | ||
| 115 | #endif | ||
| 110 | mcr p15, 0, r1, c13, c0, 1 @ set context ID | 116 | mcr p15, 0, r1, c13, c0, 1 @ set context ID |
| 111 | #endif | 117 | #endif |
| 112 | mov pc, lr | 118 | mov pc, lr |