87 lines
2 KiB
ArmAsm
87 lines
2 KiB
ArmAsm
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.text
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.global _start
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_start:
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b exec
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branch_addr:
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.word kill
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hw_power_sts:
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#if defined(CREATIVE_ZEN)
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.word 0x800440b0 /* STMP3700 */
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#else
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.word 0x800440c0 /* IMX233 */
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#endif
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hw_pinctrl_din0:
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.word 0x80018600
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hw_pinctrl_din1:
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.word 0x80018610
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hw_pinctrl_din2:
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.word 0x80018620
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kill:
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ldr pc, branch_addr
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exec:
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#if defined(SANSA_FUZEPLUS)
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/* check PSWITCH=1 (power button pressed) */
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ldr r0, hw_power_sts
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ldr r0, [r0]
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mov r0, r0, lsr #20
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and r0, #3
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cmp r0, #1
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bne ret
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/* check B1P30=0 (volume down pressed) */
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ldr r0, hw_pinctrl_din1
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ldr r0, [r0]
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mov r0, r0, lsr #30
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ands r0, #1
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beq kill
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#elif defined(CREATIVE_ZENXFI3)
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/* check PSWITCH=1 (power button pressed) */
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ldr r0, hw_power_sts
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ldr r0, [r0]
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mov r0, r0, lsr #20
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and r0, #3
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cmp r0, #1
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bne ret
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/* check B2P07=0 (volume down pressed) */
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ldr r0, hw_pinctrl_din2
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ldr r0, [r0]
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mov r0, r0, lsr #7
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ands r0, #1
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beq kill
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#elif defined(CREATIVE_ZENXFI2)
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/* check B0P11=0 (power button pressed) and B0P14 (select button pressed) */
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ldr r0, hw_pinctrl_din0
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ldr r0, [r0]
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mov r0, r0, lsr #11
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tst r0, #1
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bne ret
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mov r0, r0, lsr #3
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tst r0, #1
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beq kill
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#elif defined(CREATIVE_ZEN)
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/* check PSWITCH=1 (power button pressed) */
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ldr r0, hw_power_sts
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ldr r0, [r0]
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mov r0, r0, lsr #18
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and r0, #3
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cmp r0, #0
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bne kill
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#elif defined(SONY_NWZ)
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/* check PSWITCH=3 (power button pressed) */
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ldr r0, hw_power_sts
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ldr r0, [r0]
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mov r0, r0, lsr #20
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and r0, #3
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cmp r0, #3
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beq kill
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#elif defined(CREATIVE_ZENXFISTYLE)
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/* check PSWITCH=1 (power button pressed) */
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ldr r0, hw_power_sts
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ldr r0, [r0]
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mov r0, r0, lsr #20
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and r0, #3
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cmp r0, #1
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beq kill
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#else
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#error implement me
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#endif
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ret:
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