diff options
Diffstat (limited to 'utils/hwpatcher/patch.S')
| -rw-r--r-- | utils/hwpatcher/patch.S | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/utils/hwpatcher/patch.S b/utils/hwpatcher/patch.S new file mode 100644 index 0000000000..6c27e299d9 --- /dev/null +++ b/utils/hwpatcher/patch.S | |||
| @@ -0,0 +1,87 @@ | |||
| 1 | .text | ||
| 2 | .global _start | ||
| 3 | _start: | ||
| 4 | b exec | ||
| 5 | branch_addr: | ||
| 6 | .word kill | ||
| 7 | hw_power_sts: | ||
| 8 | #if defined(CREATIVE_ZEN) | ||
| 9 | .word 0x800440b0 /* STMP3700 */ | ||
| 10 | #else | ||
| 11 | .word 0x800440c0 /* IMX233 */ | ||
| 12 | #endif | ||
| 13 | hw_pinctrl_din0: | ||
| 14 | .word 0x80018600 | ||
| 15 | hw_pinctrl_din1: | ||
| 16 | .word 0x80018610 | ||
| 17 | hw_pinctrl_din2: | ||
| 18 | .word 0x80018620 | ||
| 19 | kill: | ||
| 20 | ldr pc, branch_addr | ||
| 21 | exec: | ||
| 22 | #if defined(SANSA_FUZEPLUS) | ||
| 23 | /* check PSWITCH=1 (power button pressed) */ | ||
| 24 | ldr r0, hw_power_sts | ||
| 25 | ldr r0, [r0] | ||
| 26 | mov r0, r0, lsr #20 | ||
| 27 | and r0, #3 | ||
| 28 | cmp r0, #1 | ||
| 29 | bne ret | ||
| 30 | /* check B1P30=0 (volume down pressed) */ | ||
| 31 | ldr r0, hw_pinctrl_din1 | ||
| 32 | ldr r0, [r0] | ||
| 33 | mov r0, r0, lsr #30 | ||
| 34 | ands r0, #1 | ||
| 35 | beq kill | ||
| 36 | #elif defined(CREATIVE_ZENXFI3) | ||
| 37 | /* check PSWITCH=1 (power button pressed) */ | ||
| 38 | ldr r0, hw_power_sts | ||
| 39 | ldr r0, [r0] | ||
| 40 | mov r0, r0, lsr #20 | ||
| 41 | and r0, #3 | ||
| 42 | cmp r0, #1 | ||
| 43 | bne ret | ||
| 44 | /* check B2P07=0 (volume down pressed) */ | ||
| 45 | ldr r0, hw_pinctrl_din2 | ||
| 46 | ldr r0, [r0] | ||
| 47 | mov r0, r0, lsr #7 | ||
| 48 | ands r0, #1 | ||
| 49 | beq kill | ||
| 50 | #elif defined(CREATIVE_ZENXFI2) | ||
| 51 | /* check B0P11=0 (power button pressed) and B0P14 (select button pressed) */ | ||
| 52 | ldr r0, hw_pinctrl_din0 | ||
| 53 | ldr r0, [r0] | ||
| 54 | mov r0, r0, lsr #11 | ||
| 55 | tst r0, #1 | ||
| 56 | bne ret | ||
| 57 | mov r0, r0, lsr #3 | ||
| 58 | tst r0, #1 | ||
| 59 | beq kill | ||
| 60 | #elif defined(CREATIVE_ZEN) | ||
| 61 | /* check PSWITCH=1 (power button pressed) */ | ||
| 62 | ldr r0, hw_power_sts | ||
| 63 | ldr r0, [r0] | ||
| 64 | mov r0, r0, lsr #18 | ||
| 65 | and r0, #3 | ||
| 66 | cmp r0, #0 | ||
| 67 | bne kill | ||
| 68 | #elif defined(SONY_NWZ) | ||
| 69 | /* check PSWITCH=3 (power button pressed) */ | ||
| 70 | ldr r0, hw_power_sts | ||
| 71 | ldr r0, [r0] | ||
| 72 | mov r0, r0, lsr #20 | ||
| 73 | and r0, #3 | ||
| 74 | cmp r0, #3 | ||
| 75 | beq kill | ||
| 76 | #elif defined(CREATIVE_ZENXFISTYLE) | ||
| 77 | /* check PSWITCH=1 (power button pressed) */ | ||
| 78 | ldr r0, hw_power_sts | ||
| 79 | ldr r0, [r0] | ||
| 80 | mov r0, r0, lsr #20 | ||
| 81 | and r0, #3 | ||
| 82 | cmp r0, #1 | ||
| 83 | beq kill | ||
| 84 | #else | ||
| 85 | #error implement me | ||
| 86 | #endif | ||
| 87 | ret: \ No newline at end of file | ||