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annotate fcdev3b-hacks/src/romvecs-insert.S @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +0000
parents 8d9298e0823a
children
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1 .text
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2 .code 32
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3 .globl _entry
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4
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5 _entry: adr r0, vectors
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6 ldmia r0, {r1-r7}
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7 mov r0, #0x800000
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8 stmia r0, {r1-r7}
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9 ldr pc, jumpaddr
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10
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11 vectors:
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12 .word 0x4000
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13 .word 0x4004
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14 .word 0x4008
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15 .word 0x400C
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17 .word 0x4014
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18 .word 0x4018
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19 jumpaddr:
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20 .word 0x4058