FreeCalypso > hg > fc-tourmaline

annotate src/cs/system/main/gcc/vectors.S @ 244:96784b8974eb

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Switch_ON(): detect charging mode by CHGPRES bit Consider the following scenario: the phone is on, the user plugs in the charger, and then executes the power-off operation. In the Iota VRPC this sequence translates to a switch-off immediately followed by another switch-on - but the CHGSTS bit doesn't get set on the second switch-on cycle! Disassembly of Pirelli's fw shows that they check the CHGPRES bit, and furthermore, if both CHGPRES and ONBSTS are set, the code they pass to their modified Power_ON_Button() function is the one for charging - so let's adopt the same CHGPRES check and the same priority order for switch-on causes.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 03 May 2021 06:51:29 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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2 * These 7 branch instructions, corresponding to ARM exception and interrupt
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3 * vectors, will be placed in different sections depending on the flashImage
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4 * vs. ramImage configuration and which target we build for; this little
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5 * snippet file will be #included where it is needed.
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6 */
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8 b _arm_undefined
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9 b _arm_swi
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10 b _arm_abort_prefetch
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11 b _arm_abort_data
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12 b _arm_reserved
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13 b _INT_IRQ
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14 b _INT_FIQ