FreeCalypso > hg > freecalypso-reveng
diff pirelli/fw-disasm @ 239:7a394cc1c72a
pirelli/fw-disasm: spi_env code located
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 23 Dec 2017 01:13:07 +0000 |
parents | 4ec6bbbac914 |
children | 7f10fb2c17cd |
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--- a/pirelli/fw-disasm Fri Dec 22 23:26:41 2017 +0000 +++ b/pirelli/fw-disasm Sat Dec 23 01:13:07 2017 +0000 @@ -762,6 +762,210 @@ 3bba2e: f484 fc2d bl 0x4028c ; $INT_EnableIRQ 3bba32: bd00 pop {pc} +$spi_get_info: +; perfect match to TCS211 version + 3cd72c: b500 push {lr} + 3cd72e: b081 sub sp, #4 + 3cd730: 9000 str r0, [sp, #0] + 3cd732: 9900 ldr r1, [sp, #0] + 3cd734: 2003 mov r0, #3 + 3cd736: 6008 str r0, [r1, #0] + 3cd738: 9800 ldr r0, [sp, #0] + 3cd73a: 497e ldr r1, =0xa0010 ; via 0x3cd934 + 3cd73c: 6101 str r1, [r0, #16] ; 0x10 + 3cd73e: 9800 ldr r0, [sp, #0] + 3cd740: 3004 add r0, #4 + 3cd742: a153 add r1, pc, #332 ; 0x14c + 3cd744: 2204 mov r2, #4 + 3cd746: f029 fd79 bl 0x3f723c ; memcpy() + 3cd74a: 9900 ldr r1, [sp, #0] + 3cd74c: 207d mov r0, #125 ; 0x7d + 3cd74e: 00c0 lsl r0, r0, #3 + 3cd750: 8288 strh r0, [r1, #20] ; 0x14 + 3cd752: 9900 ldr r1, [sp, #0] + 3cd754: 2027 mov r0, #39 ; 0x27 + 3cd756: 7588 strb r0, [r1, #22] ; 0x16 + 3cd758: 9900 ldr r1, [sp, #0] + 3cd75a: 2001 mov r0, #1 + 3cd75c: 7708 strb r0, [r1, #28] ; 0x1c + 3cd75e: 9800 ldr r0, [sp, #0] + 3cd760: 3020 add r0, #32 ; 0x20 + 3cd762: a14c add r1, pc, #304 ; 0x130 + 3cd764: 2209 mov r2, #9 + 3cd766: f029 fd69 bl 0x3f723c ; memcpy() + 3cd76a: 9900 ldr r1, [sp, #0] + 3cd76c: 20ff mov r0, #255 ; 0xff + 3cd76e: 3001 add r0, #1 + 3cd770: 62c8 str r0, [r1, #44] ; 0x2c + 3cd772: 9900 ldr r1, [sp, #0] + 3cd774: 20c8 mov r0, #200 ; 0xc8 + 3cd776: 6308 str r0, [r1, #48] ; 0x30 + 3cd778: 205c mov r0, #92 ; 0x5c + 3cd77a: 9900 ldr r1, [sp, #0] + 3cd77c: 2200 mov r2, #0 + 3cd77e: 5442 strb r2, [r0, r1] +; spi_set_info + 3cd780: 2090 mov r0, #144 ; 0x90 + 3cd782: 9900 ldr r1, [sp, #0] + 3cd784: 4a6c ldr r2, =0x3cd7bd ; via 0x3cd938 + 3cd786: 5042 str r2, [r0, r1] +; spi_init + 3cd788: 2094 mov r0, #148 ; 0x94 + 3cd78a: 9900 ldr r1, [sp, #0] + 3cd78c: 4a6b ldr r2, =0x3cd883 ; via 0x3cd93c + 3cd78e: 5042 str r2, [r0, r1] +; spi_core + 3cd790: 2098 mov r0, #152 ; 0x98 + 3cd792: 9900 ldr r1, [sp, #0] + 3cd794: 4a6a ldr r2, =0x3e8ca1 ; via 0x3cd940 + 3cd796: 5042 str r2, [r0, r1] +; spi_stop + 3cd798: 209c mov r0, #156 ; 0x9c + 3cd79a: 9900 ldr r1, [sp, #0] + 3cd79c: 4a69 ldr r2, =0x3cd887 ; via 0x3cd944 + 3cd79e: 5042 str r2, [r0, r1] +; spi_kill + 3cd7a0: 20a0 mov r0, #160 ; 0xa0 + 3cd7a2: 9900 ldr r1, [sp, #0] + 3cd7a4: 4a68 ldr r2, =0x3cd88b ; via 0x3cd948 + 3cd7a6: 5042 str r2, [r0, r1] + 3cd7a8: 208c mov r0, #140 ; 0x8c + 3cd7aa: 9900 ldr r1, [sp, #0] + 3cd7ac: 2200 mov r2, #0 + 3cd7ae: 5042 str r2, [r0, r1] + 3cd7b0: 2188 mov r1, #136 ; 0x88 + 3cd7b2: 9a00 ldr r2, [sp, #0] + 3cd7b4: 2000 mov r0, #0 + 3cd7b6: 5488 strb r0, [r1, r2] + 3cd7b8: b001 add sp, #4 + 3cd7ba: bd00 pop {pc} + +T_SPI_GBL_INFO structure: + +0x00: prim_id like in TCS211 +0x02: addr_id (ditto) +0x04: adc_result[8] array (ditto) +0x14: Foxconn/Pirelli's unknown insertions +0x32: assumed is_gsm_on +0x33: assumed is_adc_on +0x34: assumed SpiTaskReady + +$spi_set_info: + 3cd7bc: b500 push {lr} + 3cd7be: b088 sub sp, #32 ; 0x20 + 3cd7c0: 9305 str r3, [sp, #20] ; 0x14 + 3cd7c2: 9204 str r2, [sp, #16] ; 0x10 + 3cd7c4: 9103 str r1, [sp, #12] ; 0xc + 3cd7c6: 4669 mov r1, sp + 3cd7c8: 7208 strb r0, [r1, #8] + 3cd7ca: 485a ldr r0, =0xa0010 ; via 0x3cd934 + 3cd7cc: 9000 str r0, [sp, #0] + 3cd7ce: a034 add r0, pc, #208 ; 0xd0 + 3cd7d0: 213e mov r1, #62 ; 0x3e + 3cd7d2: 2200 mov r2, #0 + 3cd7d4: 43d2 mvn r2, r2 + 3cd7d6: 2305 mov r3, #5 + 3cd7d8: f00d fa2c bl 0x3dac34 ; rvf_send_trace() + 3cd7dc: 9804 ldr r0, [sp, #16] ; 0x10 + 3cd7de: 8800 ldrh r0, [r0, #0] +; struct allocation size differs from TCS211 + 3cd7e0: 2138 mov r1, #56 ; 0x38 + 3cd7e2: 4a5a ldr r2, =0x1774e38 ; via 0x3cd94c + 3cd7e4: f5f7 f8f0 bl 0x1c49c8 ; rvf_get_buf() + 3cd7e8: 9006 str r0, [sp, #24] ; 0x18 + 3cd7ea: 9806 ldr r0, [sp, #24] ; 0x18 + 3cd7ec: 2802 cmp r0, #2 + 3cd7ee: d10b bne 0x3cd808 + 3cd7f0: 4850 ldr r0, =0xa0010 ; via 0x3cd934 + 3cd7f2: 9000 str r0, [sp, #0] + 3cd7f4: a03a add r0, pc, #232 ; 0xe8 + 3cd7f6: 2150 mov r1, #80 ; 0x50 + 3cd7f8: 2200 mov r2, #0 + 3cd7fa: 43d2 mvn r2, r2 + 3cd7fc: 2301 mov r3, #1 + 3cd7fe: f00d fa19 bl 0x3dac34 ; rvf_send_trace() + 3cd802: 2004 mov r0, #4 + 3cd804: 43c0 mvn r0, r0 + 3cd806: e03a b 0x3cd87e + 3cd808: 4951 ldr r1, =0x1774e3c ; via 0x3cd950 + 3cd80a: 9805 ldr r0, [sp, #20] ; 0x14 + 3cd80c: 6008 str r0, [r1, #0] + 3cd80e: 484f ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd810: 6801 ldr r1, [r0, #0] + 3cd812: 9804 ldr r0, [sp, #16] ; 0x10 + 3cd814: 8800 ldrh r0, [r0, #0] + 3cd816: 8008 strh r0, [r1, #0] + 3cd818: 484c ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd81a: 6801 ldr r1, [r0, #0] + 3cd81c: 4668 mov r0, sp + 3cd81e: 7a00 ldrb r0, [r0, #8] + 3cd820: 7088 strb r0, [r1, #2] + 3cd822: 4669 mov r1, sp + 3cd824: 2000 mov r0, #0 + 3cd826: 8388 strh r0, [r1, #28] ; 0x1c + 3cd828: 4668 mov r0, sp + 3cd82a: 8b80 ldrh r0, [r0, #28] ; 0x1c + 3cd82c: 2808 cmp r0, #8 + 3cd82e: da10 bge 0x3cd852 + 3cd830: 4668 mov r0, sp + 3cd832: 8b80 ldrh r0, [r0, #28] ; 0x1c + 3cd834: 0040 lsl r0, r0, #1 + 3cd836: 4945 ldr r1, =0x1774e38 ; via 0x3cd94c + 3cd838: 6809 ldr r1, [r1, #0] + 3cd83a: 1840 add r0, r0, r1 + 3cd83c: 2100 mov r1, #0 + 3cd83e: 8081 strh r1, [r0, #4] + 3cd840: 4669 mov r1, sp + 3cd842: 4668 mov r0, sp + 3cd844: 8b80 ldrh r0, [r0, #28] ; 0x1c + 3cd846: 3001 add r0, #1 + 3cd848: 8388 strh r0, [r1, #28] ; 0x1c + 3cd84a: 4668 mov r0, sp + 3cd84c: 8b80 ldrh r0, [r0, #28] ; 0x1c + 3cd84e: 2808 cmp r0, #8 + 3cd850: dbee blt 0x3cd830 +; the following 3 half-word writes do not correspond to TI's original version +; they must be Pirelli/Foxconn's additions + 3cd852: 483e ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd854: 6800 ldr r0, [r0, #0] + 3cd856: 2100 mov r1, #0 + 3cd858: 85c1 strh r1, [r0, #46] ; 0x2e + 3cd85a: 483c ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd85c: 6801 ldr r1, [r0, #0] + 3cd85e: 2000 mov r0, #0 + 3cd860: 8608 strh r0, [r1, #48] ; 0x30 + 3cd862: 483a ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd864: 6801 ldr r1, [r0, #0] + 3cd866: 2000 mov r0, #0 + 3cd868: 8588 strh r0, [r1, #44] ; 0x2c +; the following two byte writes probably correspond to the clearing +; of is_gsm_on and SpiTaskReady members in TI's original version + 3cd86a: 2232 mov r2, #50 ; 0x32 + 3cd86c: 4837 ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd86e: 6800 ldr r0, [r0, #0] + 3cd870: 2100 mov r1, #0 + 3cd872: 5411 strb r1, [r2, r0] + 3cd874: 2134 mov r1, #52 ; 0x34 + 3cd876: 4835 ldr r0, =0x1774e38 ; via 0x3cd94c + 3cd878: 6802 ldr r2, [r0, #0] + 3cd87a: 2000 mov r0, #0 + 3cd87c: 5488 strb r0, [r1, r2] + 3cd87e: b008 add sp, #32 ; 0x20 + 3cd880: bd00 pop {pc} + +$spi_init: + 3cd882: 2000 mov r0, #0 + 3cd884: 4770 bx lr + +$spi_stop: + 3cd886: 2000 mov r0, #0 + 3cd888: 4770 bx lr + +$spi_kill: + 3cd88a: 2000 mov r0, #0 + 3cd88c: 4770 bx lr + 3cd88e: 46c0 nop (mov r8, r8) + _f_checksum: 3e6990: e1a0c000 mov r12, r0 3e6994: e3a00000 mov r0, #0 @@ -1157,3 +1361,8 @@ 83cb92: 2000 mov r0, #0 83cb94: 4770 bx lr 83cb96: 46c0 nop (mov r8, r8) + +XRAM data: + +0x1774e38: SPI_GBL_INFO_PTR +0x1774e3c: spi_error_ft