adding a modified uart02 that prints out the program counter near boot.
adding binary because folks are having issues, maybe my boards are special, maybe it is compiler or other
This commit is contained in:
David Welch
Binary file not shown.
@@ -66,7 +66,7 @@ void hexstring ( unsigned int d )
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uart_putc(0x0A);
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}
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//------------------------------------------------------------------------
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int notmain ( void )
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int notmain ( unsigned int earlypc )
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{
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unsigned int ra;
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@@ -95,6 +95,7 @@ int notmain ( void )
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PUT32(AUX_MU_CNTL_REG,3);
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hexstring(0x12345678);
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hexstring(earlypc);
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while(1)
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{
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Binary file not shown.
@@ -6,187 +6,191 @@ Disassembly of section .text:
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00008000 <_start>:
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8000: e3a0d902 mov sp, #32768 ; 0x8000
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8004: eb00004c bl 813c <notmain>
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8004: e1a0000f mov r0, pc
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8008: eb00004c bl 8140 <notmain>
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00008008 <hang>:
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8008: eafffffe b 8008 <hang>
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0000800c <hang>:
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800c: eafffffe b 800c <hang>
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0000800c <PUT32>:
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800c: e5801000 str r1, [r0]
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8010: e12fff1e bx lr
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00008010 <PUT32>:
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8010: e5801000 str r1, [r0]
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8014: e12fff1e bx lr
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00008014 <GET32>:
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8014: e5900000 ldr r0, [r0]
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8018: e12fff1e bx lr
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0000801c <dummy>:
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00008018 <GET32>:
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8018: e5900000 ldr r0, [r0]
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801c: e12fff1e bx lr
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00008020 <uart_putc>:
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8020: e92d4010 push {r4, lr}
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8024: e1a04000 mov r4, r0
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8028: e59f001c ldr r0, [pc, #28] ; 804c <uart_putc+0x2c>
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802c: ebfffff8 bl 8014 <GET32>
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8030: e3100020 tst r0, #32
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8034: 0afffffb beq 8028 <uart_putc+0x8>
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8038: e59f0010 ldr r0, [pc, #16] ; 8050 <uart_putc+0x30>
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803c: e1a01004 mov r1, r4
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8040: ebfffff1 bl 800c <PUT32>
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8044: e8bd4010 pop {r4, lr}
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8048: e12fff1e bx lr
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804c: 20215054 eorcs r5, r1, r4, asr r0
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8050: 20215040 eorcs r5, r1, r0, asr #32
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00008020 <dummy>:
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8020: e12fff1e bx lr
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00008054 <hexstrings>:
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8054: e92d4010 push {r4, lr}
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8058: e1a04000 mov r4, r0
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805c: e1a00e20 lsr r0, r0, #28
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8060: e3500009 cmp r0, #9
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8064: 92800030 addls r0, r0, #48 ; 0x30
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8068: 82800037 addhi r0, r0, #55 ; 0x37
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806c: ebffffeb bl 8020 <uart_putc>
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8070: e1a00c24 lsr r0, r4, #24
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8074: e200000f and r0, r0, #15
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8078: e3500009 cmp r0, #9
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807c: 92800030 addls r0, r0, #48 ; 0x30
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8080: 82800037 addhi r0, r0, #55 ; 0x37
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8084: ebffffe5 bl 8020 <uart_putc>
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8088: e1a0ca24 lsr ip, r4, #20
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808c: e20c000f and r0, ip, #15
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8090: e3500009 cmp r0, #9
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8094: 92800030 addls r0, r0, #48 ; 0x30
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8098: 82800037 addhi r0, r0, #55 ; 0x37
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809c: ebffffdf bl 8020 <uart_putc>
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80a0: e1a03824 lsr r3, r4, #16
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80a4: e203000f and r0, r3, #15
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80a8: e3500009 cmp r0, #9
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80ac: 92800030 addls r0, r0, #48 ; 0x30
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80b0: 82800037 addhi r0, r0, #55 ; 0x37
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80b4: ebffffd9 bl 8020 <uart_putc>
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80b8: e1a02624 lsr r2, r4, #12
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80bc: e202000f and r0, r2, #15
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80c0: e3500009 cmp r0, #9
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80c4: 92800030 addls r0, r0, #48 ; 0x30
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80c8: 82800037 addhi r0, r0, #55 ; 0x37
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80cc: ebffffd3 bl 8020 <uart_putc>
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80d0: e1a01424 lsr r1, r4, #8
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80d4: e201000f and r0, r1, #15
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80d8: e3500009 cmp r0, #9
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80dc: 92800030 addls r0, r0, #48 ; 0x30
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80e0: 82800037 addhi r0, r0, #55 ; 0x37
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80e4: ebffffcd bl 8020 <uart_putc>
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80e8: e1a00224 lsr r0, r4, #4
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80ec: e200000f and r0, r0, #15
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80f0: e3500009 cmp r0, #9
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80f4: 92800030 addls r0, r0, #48 ; 0x30
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80f8: 82800037 addhi r0, r0, #55 ; 0x37
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80fc: e204400f and r4, r4, #15
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8100: ebffffc6 bl 8020 <uart_putc>
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8104: e3540009 cmp r4, #9
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8108: 82840037 addhi r0, r4, #55 ; 0x37
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810c: 92840030 addls r0, r4, #48 ; 0x30
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8110: ebffffc2 bl 8020 <uart_putc>
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8114: e3a00020 mov r0, #32
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8118: e8bd4010 pop {r4, lr}
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811c: eaffffbf b 8020 <uart_putc>
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00008024 <uart_putc>:
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8024: e92d4010 push {r4, lr}
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8028: e1a04000 mov r4, r0
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802c: e59f001c ldr r0, [pc, #28] ; 8050 <uart_putc+0x2c>
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8030: ebfffff8 bl 8018 <GET32>
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8034: e3100020 tst r0, #32
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8038: 0afffffb beq 802c <uart_putc+0x8>
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803c: e59f0010 ldr r0, [pc, #16] ; 8054 <uart_putc+0x30>
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8040: e1a01004 mov r1, r4
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8044: ebfffff1 bl 8010 <PUT32>
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8048: e8bd4010 pop {r4, lr}
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804c: e12fff1e bx lr
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8050: 20215054 eorcs r5, r1, r4, asr r0
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8054: 20215040 eorcs r5, r1, r0, asr #32
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00008120 <hexstring>:
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8120: e92d4008 push {r3, lr}
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8124: ebffffca bl 8054 <hexstrings>
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8128: e3a0000d mov r0, #13
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812c: ebffffbb bl 8020 <uart_putc>
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8130: e3a0000a mov r0, #10
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8134: e8bd4008 pop {r3, lr}
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8138: eaffffb8 b 8020 <uart_putc>
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00008058 <hexstrings>:
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8058: e92d4010 push {r4, lr}
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805c: e1a04000 mov r4, r0
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8060: e1a00e20 lsr r0, r0, #28
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8064: e3500009 cmp r0, #9
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8068: 92800030 addls r0, r0, #48 ; 0x30
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806c: 82800037 addhi r0, r0, #55 ; 0x37
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8070: ebffffeb bl 8024 <uart_putc>
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8074: e1a00c24 lsr r0, r4, #24
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8078: e200000f and r0, r0, #15
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807c: e3500009 cmp r0, #9
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8080: 92800030 addls r0, r0, #48 ; 0x30
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8084: 82800037 addhi r0, r0, #55 ; 0x37
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8088: ebffffe5 bl 8024 <uart_putc>
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808c: e1a0ca24 lsr ip, r4, #20
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8090: e20c000f and r0, ip, #15
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8094: e3500009 cmp r0, #9
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8098: 92800030 addls r0, r0, #48 ; 0x30
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809c: 82800037 addhi r0, r0, #55 ; 0x37
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80a0: ebffffdf bl 8024 <uart_putc>
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80a4: e1a03824 lsr r3, r4, #16
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80a8: e203000f and r0, r3, #15
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80ac: e3500009 cmp r0, #9
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80b0: 92800030 addls r0, r0, #48 ; 0x30
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80b4: 82800037 addhi r0, r0, #55 ; 0x37
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80b8: ebffffd9 bl 8024 <uart_putc>
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80bc: e1a02624 lsr r2, r4, #12
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80c0: e202000f and r0, r2, #15
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80c4: e3500009 cmp r0, #9
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80c8: 92800030 addls r0, r0, #48 ; 0x30
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80cc: 82800037 addhi r0, r0, #55 ; 0x37
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80d0: ebffffd3 bl 8024 <uart_putc>
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80d4: e1a01424 lsr r1, r4, #8
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80d8: e201000f and r0, r1, #15
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80dc: e3500009 cmp r0, #9
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80e0: 92800030 addls r0, r0, #48 ; 0x30
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80e4: 82800037 addhi r0, r0, #55 ; 0x37
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80e8: ebffffcd bl 8024 <uart_putc>
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80ec: e1a00224 lsr r0, r4, #4
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80f0: e200000f and r0, r0, #15
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80f4: e3500009 cmp r0, #9
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80f8: 92800030 addls r0, r0, #48 ; 0x30
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80fc: 82800037 addhi r0, r0, #55 ; 0x37
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8100: e204400f and r4, r4, #15
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8104: ebffffc6 bl 8024 <uart_putc>
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8108: e3540009 cmp r4, #9
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810c: 82840037 addhi r0, r4, #55 ; 0x37
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8110: 92840030 addls r0, r4, #48 ; 0x30
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8114: ebffffc2 bl 8024 <uart_putc>
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8118: e3a00020 mov r0, #32
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811c: e8bd4010 pop {r4, lr}
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8120: eaffffbf b 8024 <uart_putc>
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0000813c <notmain>:
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813c: e92d4038 push {r3, r4, r5, lr}
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8140: e59f0118 ldr r0, [pc, #280] ; 8260 <notmain+0x124>
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00008124 <hexstring>:
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8124: e92d4008 push {r3, lr}
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8128: ebffffca bl 8058 <hexstrings>
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812c: e3a0000d mov r0, #13
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8130: ebffffbb bl 8024 <uart_putc>
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8134: e3a0000a mov r0, #10
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8138: e8bd4008 pop {r3, lr}
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813c: eaffffb8 b 8024 <uart_putc>
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00008140 <notmain>:
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8140: e92d4070 push {r4, r5, r6, lr}
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8144: e3a01001 mov r1, #1
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8148: ebffffaf bl 800c <PUT32>
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814c: e59f0110 ldr r0, [pc, #272] ; 8264 <notmain+0x128>
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8150: e3a01000 mov r1, #0
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8154: ebffffac bl 800c <PUT32>
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8158: e59f0108 ldr r0, [pc, #264] ; 8268 <notmain+0x12c>
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815c: e3a01000 mov r1, #0
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8160: ebffffa9 bl 800c <PUT32>
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8164: e59f0100 ldr r0, [pc, #256] ; 826c <notmain+0x130>
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8168: e3a01003 mov r1, #3
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816c: ebffffa6 bl 800c <PUT32>
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8170: e59f00f8 ldr r0, [pc, #248] ; 8270 <notmain+0x134>
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8174: e3a01000 mov r1, #0
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8178: ebffffa3 bl 800c <PUT32>
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817c: e59f00e0 ldr r0, [pc, #224] ; 8264 <notmain+0x128>
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8180: e3a01000 mov r1, #0
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8184: ebffffa0 bl 800c <PUT32>
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8188: e59f00e4 ldr r0, [pc, #228] ; 8274 <notmain+0x138>
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818c: e3a010c6 mov r1, #198 ; 0xc6
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8190: ebffff9d bl 800c <PUT32>
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8194: e59f10dc ldr r1, [pc, #220] ; 8278 <notmain+0x13c>
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8198: e59f00dc ldr r0, [pc, #220] ; 827c <notmain+0x140>
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819c: ebffff9a bl 800c <PUT32>
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81a0: e59f00d8 ldr r0, [pc, #216] ; 8280 <notmain+0x144>
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81a4: ebffff9a bl 8014 <GET32>
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81a8: e3c01a3f bic r1, r0, #258048 ; 0x3f000
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81ac: e3811a12 orr r1, r1, #73728 ; 0x12000
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81b0: e59f00c8 ldr r0, [pc, #200] ; 8280 <notmain+0x144>
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81b4: ebffff94 bl 800c <PUT32>
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81b8: e59f00c4 ldr r0, [pc, #196] ; 8284 <notmain+0x148>
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81bc: e3a01000 mov r1, #0
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81c0: ebffff91 bl 800c <PUT32>
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81c4: e3a04000 mov r4, #0
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81c8: e1a00004 mov r0, r4
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81cc: e2845001 add r5, r4, #1
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81d0: ebffff91 bl 801c <dummy>
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81d4: e2844002 add r4, r4, #2
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81d8: e1a00005 mov r0, r5
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81dc: ebffff8e bl 801c <dummy>
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81e0: e3540096 cmp r4, #150 ; 0x96
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81e4: 1afffff7 bne 81c8 <notmain+0x8c>
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81e8: e59f0098 ldr r0, [pc, #152] ; 8288 <notmain+0x14c>
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81ec: e3a01903 mov r1, #49152 ; 0xc000
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81f0: ebffff85 bl 800c <PUT32>
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81f4: e3a04000 mov r4, #0
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81f8: e1a00004 mov r0, r4
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81fc: e2845001 add r5, r4, #1
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8200: ebffff85 bl 801c <dummy>
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8204: e2844002 add r4, r4, #2
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8208: e1a00005 mov r0, r5
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820c: ebffff82 bl 801c <dummy>
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8210: e3540096 cmp r4, #150 ; 0x96
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8214: 1afffff7 bne 81f8 <notmain+0xbc>
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8218: e59f0068 ldr r0, [pc, #104] ; 8288 <notmain+0x14c>
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821c: e3a01000 mov r1, #0
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8220: ebffff79 bl 800c <PUT32>
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8224: e59f003c ldr r0, [pc, #60] ; 8268 <notmain+0x12c>
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8228: e3a01003 mov r1, #3
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822c: ebffff76 bl 800c <PUT32>
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8230: e59f0054 ldr r0, [pc, #84] ; 828c <notmain+0x150>
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||||
8234: ebffffb9 bl 8120 <hexstring>
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||||
8238: e59f0050 ldr r0, [pc, #80] ; 8290 <notmain+0x154>
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||||
823c: ebffff74 bl 8014 <GET32>
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||||
8240: e3100001 tst r0, #1
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||||
8244: 0afffffb beq 8238 <notmain+0xfc>
|
||||
8248: e59f0044 ldr r0, [pc, #68] ; 8294 <notmain+0x158>
|
||||
824c: ebffff70 bl 8014 <GET32>
|
||||
8250: e1a01000 mov r1, r0
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||||
8254: e59f0038 ldr r0, [pc, #56] ; 8294 <notmain+0x158>
|
||||
8258: ebffff6b bl 800c <PUT32>
|
||||
825c: eafffff5 b 8238 <notmain+0xfc>
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||||
8260: 20215004 eorcs r5, r1, r4
|
||||
8264: 20215044 eorcs r5, r1, r4, asr #32
|
||||
8268: 20215060 eorcs r5, r1, r0, rrx
|
||||
826c: 2021504c eorcs r5, r1, ip, asr #32
|
||||
8270: 20215050 eorcs r5, r1, r0, asr r0
|
||||
8274: 20215048 eorcs r5, r1, r8, asr #32
|
||||
8278: 0000010e andeq r0, r0, lr, lsl #2
|
||||
827c: 20215068 eorcs r5, r1, r8, rrx
|
||||
8280: 20200004 eorcs r0, r0, r4
|
||||
8284: 20200094 mlacs r0, r4, r0, r0
|
||||
8288: 20200098 mlacs r0, r8, r0, r0
|
||||
828c: 12345678 eorsne r5, r4, #120, 12 ; 0x7800000
|
||||
8290: 20215054 eorcs r5, r1, r4, asr r0
|
||||
8294: 20215040 eorcs r5, r1, r0, asr #32
|
||||
8148: e1a04000 mov r4, r0
|
||||
814c: e59f011c ldr r0, [pc, #284] ; 8270 <notmain+0x130>
|
||||
8150: ebffffae bl 8010 <PUT32>
|
||||
8154: e59f0118 ldr r0, [pc, #280] ; 8274 <notmain+0x134>
|
||||
8158: e3a01000 mov r1, #0
|
||||
815c: ebffffab bl 8010 <PUT32>
|
||||
8160: e59f0110 ldr r0, [pc, #272] ; 8278 <notmain+0x138>
|
||||
8164: e3a01000 mov r1, #0
|
||||
8168: ebffffa8 bl 8010 <PUT32>
|
||||
816c: e59f0108 ldr r0, [pc, #264] ; 827c <notmain+0x13c>
|
||||
8170: e3a01003 mov r1, #3
|
||||
8174: ebffffa5 bl 8010 <PUT32>
|
||||
8178: e59f0100 ldr r0, [pc, #256] ; 8280 <notmain+0x140>
|
||||
817c: e3a01000 mov r1, #0
|
||||
8180: ebffffa2 bl 8010 <PUT32>
|
||||
8184: e59f00e8 ldr r0, [pc, #232] ; 8274 <notmain+0x134>
|
||||
8188: e3a01000 mov r1, #0
|
||||
818c: ebffff9f bl 8010 <PUT32>
|
||||
8190: e59f00ec ldr r0, [pc, #236] ; 8284 <notmain+0x144>
|
||||
8194: e3a010c6 mov r1, #198 ; 0xc6
|
||||
8198: ebffff9c bl 8010 <PUT32>
|
||||
819c: e59f10e4 ldr r1, [pc, #228] ; 8288 <notmain+0x148>
|
||||
81a0: e59f00e4 ldr r0, [pc, #228] ; 828c <notmain+0x14c>
|
||||
81a4: ebffff99 bl 8010 <PUT32>
|
||||
81a8: e59f00e0 ldr r0, [pc, #224] ; 8290 <notmain+0x150>
|
||||
81ac: ebffff99 bl 8018 <GET32>
|
||||
81b0: e3c01a3f bic r1, r0, #258048 ; 0x3f000
|
||||
81b4: e3811a12 orr r1, r1, #73728 ; 0x12000
|
||||
81b8: e59f00d0 ldr r0, [pc, #208] ; 8290 <notmain+0x150>
|
||||
81bc: ebffff93 bl 8010 <PUT32>
|
||||
81c0: e59f00cc ldr r0, [pc, #204] ; 8294 <notmain+0x154>
|
||||
81c4: e3a01000 mov r1, #0
|
||||
81c8: ebffff90 bl 8010 <PUT32>
|
||||
81cc: e3a05000 mov r5, #0
|
||||
81d0: e1a00005 mov r0, r5
|
||||
81d4: e2856001 add r6, r5, #1
|
||||
81d8: ebffff90 bl 8020 <dummy>
|
||||
81dc: e2855002 add r5, r5, #2
|
||||
81e0: e1a00006 mov r0, r6
|
||||
81e4: ebffff8d bl 8020 <dummy>
|
||||
81e8: e3550096 cmp r5, #150 ; 0x96
|
||||
81ec: 1afffff7 bne 81d0 <notmain+0x90>
|
||||
81f0: e59f00a0 ldr r0, [pc, #160] ; 8298 <notmain+0x158>
|
||||
81f4: e3a01903 mov r1, #49152 ; 0xc000
|
||||
81f8: ebffff84 bl 8010 <PUT32>
|
||||
81fc: e3a05000 mov r5, #0
|
||||
8200: e1a00005 mov r0, r5
|
||||
8204: e2856001 add r6, r5, #1
|
||||
8208: ebffff84 bl 8020 <dummy>
|
||||
820c: e2855002 add r5, r5, #2
|
||||
8210: e1a00006 mov r0, r6
|
||||
8214: ebffff81 bl 8020 <dummy>
|
||||
8218: e3550096 cmp r5, #150 ; 0x96
|
||||
821c: 1afffff7 bne 8200 <notmain+0xc0>
|
||||
8220: e59f0070 ldr r0, [pc, #112] ; 8298 <notmain+0x158>
|
||||
8224: e3a01000 mov r1, #0
|
||||
8228: ebffff78 bl 8010 <PUT32>
|
||||
822c: e59f0044 ldr r0, [pc, #68] ; 8278 <notmain+0x138>
|
||||
8230: e3a01003 mov r1, #3
|
||||
8234: ebffff75 bl 8010 <PUT32>
|
||||
8238: e59f005c ldr r0, [pc, #92] ; 829c <notmain+0x15c>
|
||||
823c: ebffffb8 bl 8124 <hexstring>
|
||||
8240: e1a00004 mov r0, r4
|
||||
8244: ebffffb6 bl 8124 <hexstring>
|
||||
8248: e59f0050 ldr r0, [pc, #80] ; 82a0 <notmain+0x160>
|
||||
824c: ebffff71 bl 8018 <GET32>
|
||||
8250: e3100001 tst r0, #1
|
||||
8254: 0afffffb beq 8248 <notmain+0x108>
|
||||
8258: e59f0044 ldr r0, [pc, #68] ; 82a4 <notmain+0x164>
|
||||
825c: ebffff6d bl 8018 <GET32>
|
||||
8260: e1a01000 mov r1, r0
|
||||
8264: e59f0038 ldr r0, [pc, #56] ; 82a4 <notmain+0x164>
|
||||
8268: ebffff68 bl 8010 <PUT32>
|
||||
826c: eafffff5 b 8248 <notmain+0x108>
|
||||
8270: 20215004 eorcs r5, r1, r4
|
||||
8274: 20215044 eorcs r5, r1, r4, asr #32
|
||||
8278: 20215060 eorcs r5, r1, r0, rrx
|
||||
827c: 2021504c eorcs r5, r1, ip, asr #32
|
||||
8280: 20215050 eorcs r5, r1, r0, asr r0
|
||||
8284: 20215048 eorcs r5, r1, r8, asr #32
|
||||
8288: 0000010e andeq r0, r0, lr, lsl #2
|
||||
828c: 20215068 eorcs r5, r1, r8, rrx
|
||||
8290: 20200004 eorcs r0, r0, r4
|
||||
8294: 20200094 mlacs r0, r4, r0, r0
|
||||
8298: 20200098 mlacs r0, r8, r0, r0
|
||||
829c: 12345678 eorsne r5, r4, #120, 12 ; 0x7800000
|
||||
82a0: 20215054 eorcs r5, r1, r4, asr r0
|
||||
82a4: 20215040 eorcs r5, r1, r0, asr #32
|
||||
|
||||
Disassembly of section .ARM.attributes:
|
||||
|
||||
@@ -208,7 +212,7 @@ Disassembly of section .ARM.attributes:
|
||||
Disassembly of section .comment:
|
||||
|
||||
00000000 <.comment>:
|
||||
0: 3a434347 bcc 10d0d24 <notmain+0x10c8be8>
|
||||
0: 3a434347 bcc 10d0d24 <notmain+0x10c8be4>
|
||||
4: 6f532820 svcvs 0x00532820
|
||||
8: 65637275 strbvs r7, [r3, #-629]! ; 0xfffffd8b
|
||||
c: 43207972 teqmi r0, #1867776 ; 0x1c8000
|
||||
|
||||
@@ -2,6 +2,7 @@
|
||||
.globl _start
|
||||
_start:
|
||||
mov sp,#0x8000
|
||||
mov r0,pc
|
||||
bl notmain
|
||||
hang: b hang
|
||||
|
||||
|
||||
Reference in New Issue
Block a user