390 lines
14 KiB
Plaintext
390 lines
14 KiB
Plaintext
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task4.elf: file format elf32-littlearm
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Sections:
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Idx Name Size VMA LMA File off Algn
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0 .isr_vector 000001d8 08000000 08000000 00001000 2**2
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CONTENTS, ALLOC, LOAD, READONLY, DATA
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1 .text 000001e8 080001d8 080001d8 000011d8 2**2
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CONTENTS, ALLOC, LOAD, READONLY, CODE
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2 .rodata 00000000 080003c0 080003c8 000013c8 2**0
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CONTENTS, ALLOC, LOAD, DATA
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3 .ARM.extab 00000000 080003c0 080003c0 000013c8 2**0
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CONTENTS
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4 .ARM 00000000 080003c0 080003c0 000013c8 2**0
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CONTENTS
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5 .preinit_array 00000000 080003c0 080003c8 000013c8 2**0
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CONTENTS, ALLOC, LOAD, DATA
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6 .init_array 00000004 080003c0 080003c0 000013c0 2**2
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CONTENTS, ALLOC, LOAD, READONLY, DATA
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7 .fini_array 00000004 080003c4 080003c4 000013c4 2**2
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CONTENTS, ALLOC, LOAD, READONLY, DATA
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8 .data 00000000 20000000 20000000 000013c8 2**0
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CONTENTS, ALLOC, LOAD, DATA
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9 .ccmsram 00000000 10000000 10000000 000013c8 2**0
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CONTENTS
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10 .bss 0000001c 20000000 20000000 00002000 2**2
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ALLOC
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11 ._user_heap_stack 00000604 2000001c 2000001c 00002000 2**0
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ALLOC
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12 .ARM.attributes 00000030 00000000 00000000 000013c8 2**0
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CONTENTS, READONLY
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13 .debug_info 00000733 00000000 00000000 000013f8 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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14 .debug_abbrev 0000021a 00000000 00000000 00001b2b 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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15 .debug_aranges 00000070 00000000 00000000 00001d48 2**3
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CONTENTS, READONLY, DEBUGGING, OCTETS
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16 .debug_rnglists 00000032 00000000 00000000 00001db8 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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17 .debug_macro 00013734 00000000 00000000 00001dea 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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18 .debug_line 000008e4 00000000 00000000 0001551e 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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19 .debug_str 0006f7d7 00000000 00000000 00015e02 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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20 .comment 00000043 00000000 00000000 000855d9 2**0
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CONTENTS, READONLY
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21 .debug_frame 000000b8 00000000 00000000 0008561c 2**2
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CONTENTS, READONLY, DEBUGGING, OCTETS
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22 .debug_line_str 0000007a 00000000 00000000 000856d4 2**0
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CONTENTS, READONLY, DEBUGGING, OCTETS
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Disassembly of section .text:
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080001d8 <__do_global_dtors_aux>:
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80001d8: b510 push {r4, lr}
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80001da: 4c05 ldr r4, [pc, #20] @ (80001f0 <__do_global_dtors_aux+0x18>)
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80001dc: 7823 ldrb r3, [r4, #0]
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80001de: b933 cbnz r3, 80001ee <__do_global_dtors_aux+0x16>
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80001e0: 4b04 ldr r3, [pc, #16] @ (80001f4 <__do_global_dtors_aux+0x1c>)
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80001e2: b113 cbz r3, 80001ea <__do_global_dtors_aux+0x12>
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80001e4: 4804 ldr r0, [pc, #16] @ (80001f8 <__do_global_dtors_aux+0x20>)
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80001e6: f3af 8000 nop.w
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80001ea: 2301 movs r3, #1
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80001ec: 7023 strb r3, [r4, #0]
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80001ee: bd10 pop {r4, pc}
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80001f0: 20000000 .word 0x20000000
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80001f4: 00000000 .word 0x00000000
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80001f8: 080003a8 .word 0x080003a8
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080001fc <frame_dummy>:
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80001fc: b508 push {r3, lr}
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80001fe: 4b03 ldr r3, [pc, #12] @ (800020c <frame_dummy+0x10>)
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8000200: b11b cbz r3, 800020a <frame_dummy+0xe>
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8000202: 4903 ldr r1, [pc, #12] @ (8000210 <frame_dummy+0x14>)
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8000204: 4803 ldr r0, [pc, #12] @ (8000214 <frame_dummy+0x18>)
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8000206: f3af 8000 nop.w
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800020a: bd08 pop {r3, pc}
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800020c: 00000000 .word 0x00000000
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8000210: 20000004 .word 0x20000004
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8000214: 080003a8 .word 0x080003a8
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08000218 <main>:
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static void GPIO_init(void);
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/* ------------------------------------ M A I N --------------------------------------- */
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int main(void)
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{
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8000218: b580 push {r7, lr}
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800021a: af00 add r7, sp, #0
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\details Disables IRQ interrupts by setting the I-bit in the CPSR.
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Can only be executed in Privileged modes.
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*/
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__STATIC_FORCEINLINE void __disable_irq(void)
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{
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__ASM volatile ("cpsid i" : : : "memory");
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800021c: b672 cpsid i
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}
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800021e: bf00 nop
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/* --- initialization --- */
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__disable_irq(); // disable interrupts globally
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GPIO_init();
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8000220: f000 f804 bl 800022c <GPIO_init>
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__ASM volatile ("cpsie i" : : : "memory");
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8000224: b662 cpsie i
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}
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8000226: bf00 nop
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/* --- infinite processing loop --- */
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while (1)
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{
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/* ... add your code to implement the lab assignment ... */
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__WFI();
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8000228: bf30 wfi
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800022a: e7fd b.n 8000228 <main+0x10>
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0800022c <GPIO_init>:
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* requires: - nothing -
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* parameters: - none -
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* returns: - nothing -
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\* ------------------------------------------------------------------------------------ */
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static void GPIO_init(void)
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{
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800022c: b480 push {r7}
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800022e: af00 add r7, sp, #0
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/* enable port clocks */
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RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // LEDs: A
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8000230: 4b11 ldr r3, [pc, #68] @ (8000278 <GPIO_init+0x4c>)
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8000232: 6cdb ldr r3, [r3, #76] @ 0x4c
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8000234: 4a10 ldr r2, [pc, #64] @ (8000278 <GPIO_init+0x4c>)
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8000236: f043 0301 orr.w r3, r3, #1
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800023a: 64d3 str r3, [r2, #76] @ 0x4c
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/* --- LEDs --- */
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GPIOA->ODR |= MASK_LED_RED;
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800023c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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8000240: 695b ldr r3, [r3, #20]
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8000242: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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8000246: f043 0301 orr.w r3, r3, #1
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800024a: 6153 str r3, [r2, #20]
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GPIOA->MODER &= ~(3 << 0);
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800024c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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8000250: 681b ldr r3, [r3, #0]
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8000252: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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8000256: f023 0303 bic.w r3, r3, #3
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800025a: 6013 str r3, [r2, #0]
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GPIOA->MODER |= (1 << 0); // set LED pin to output
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800025c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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8000260: 681b ldr r3, [r3, #0]
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8000262: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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8000266: f043 0301 orr.w r3, r3, #1
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800026a: 6013 str r3, [r2, #0]
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}
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800026c: bf00 nop
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800026e: 46bd mov sp, r7
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8000270: f85d 7b04 ldr.w r7, [sp], #4
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8000274: 4770 bx lr
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8000276: bf00 nop
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8000278: 40021000 .word 0x40021000
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0800027c <ISR_error>:
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*
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* Default interrupt handler for core interrupts.
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* Enables the green and red LED on the STefi Light board.
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\* ------------------------------------------------------------------------------------ */
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void ISR_error(void)
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{
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800027c: b480 push {r7}
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800027e: af00 add r7, sp, #0
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/* init */
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RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // PA: clock on (LEDs)
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8000280: 4b10 ldr r3, [pc, #64] @ (80002c4 <ISR_error+0x48>)
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8000282: 6cdb ldr r3, [r3, #76] @ 0x4c
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8000284: 4a0f ldr r2, [pc, #60] @ (80002c4 <ISR_error+0x48>)
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8000286: f043 0301 orr.w r3, r3, #1
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800028a: 64d3 str r3, [r2, #76] @ 0x4c
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GPIOA->ODR |= MASK_LED_ALL;
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800028c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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8000290: 695b ldr r3, [r3, #20]
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8000292: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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8000296: f043 030f orr.w r3, r3, #15
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800029a: 6153 str r3, [r2, #20]
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GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x11;
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800029c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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80002a0: 681b ldr r3, [r3, #0]
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80002a2: f023 03ff bic.w r3, r3, #255 @ 0xff
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80002a6: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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80002aa: f043 0311 orr.w r3, r3, #17
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80002ae: 6013 str r3, [r2, #0]
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while(1)
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{ /* light up the LEDs permanently */
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GPIOA->ODR &= ~(MASK_LED_GREEN | MASK_LED_RED);
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80002b0: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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80002b4: 695b ldr r3, [r3, #20]
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80002b6: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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80002ba: f023 0305 bic.w r3, r3, #5
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80002be: 6153 str r3, [r2, #20]
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80002c0: e7f6 b.n 80002b0 <ISR_error+0x34>
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80002c2: bf00 nop
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80002c4: 40021000 .word 0x40021000
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080002c8 <ISR_default>:
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*
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* Default interrupt handler for non-core interrupts.
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* Enables the blue and yellow LED on the STefi Light board.
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\* ------------------------------------------------------------------------------------ */
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void ISR_default(void)
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{
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80002c8: b480 push {r7}
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80002ca: af00 add r7, sp, #0
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/* init */
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RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // PA: clock on (LEDs)
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80002cc: 4b10 ldr r3, [pc, #64] @ (8000310 <ISR_default+0x48>)
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80002ce: 6cdb ldr r3, [r3, #76] @ 0x4c
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80002d0: 4a0f ldr r2, [pc, #60] @ (8000310 <ISR_default+0x48>)
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80002d2: f043 0301 orr.w r3, r3, #1
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80002d6: 64d3 str r3, [r2, #76] @ 0x4c
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GPIOA->ODR |= MASK_LED_ALL;
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80002d8: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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80002dc: 695b ldr r3, [r3, #20]
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80002de: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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80002e2: f043 030f orr.w r3, r3, #15
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80002e6: 6153 str r3, [r2, #20]
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GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x44;
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80002e8: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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80002ec: 681b ldr r3, [r3, #0]
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80002ee: f023 03ff bic.w r3, r3, #255 @ 0xff
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80002f2: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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80002f6: f043 0344 orr.w r3, r3, #68 @ 0x44
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80002fa: 6013 str r3, [r2, #0]
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while(1)
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{ /* light up the LEDs permanently */
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GPIOA->ODR &= ~(MASK_LED_BLUE | MASK_LED_YELLOW);
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80002fc: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
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8000300: 695b ldr r3, [r3, #20]
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8000302: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
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8000306: f023 030a bic.w r3, r3, #10
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800030a: 6153 str r3, [r2, #20]
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800030c: e7f6 b.n 80002fc <ISR_default+0x34>
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800030e: bf00 nop
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8000310: 40021000 .word 0x40021000
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08000314 <Reset_Handler>:
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.section .text.Reset_Handler
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.weak Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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ldr r0, =_estack
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8000314: 480c ldr r0, [pc, #48] @ (8000348 <LoopForever+0x2>)
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mov sp, r0 /* set stack pointer */
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8000316: 4685 mov sp, r0
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/* Call the clock system initialization function.*/
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// bl SystemInit
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/* Copy the data segment initializers from flash to SRAM */
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ldr r0, =_sdata
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8000318: 480c ldr r0, [pc, #48] @ (800034c <LoopForever+0x6>)
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ldr r1, =_edata
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800031a: 490d ldr r1, [pc, #52] @ (8000350 <LoopForever+0xa>)
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ldr r2, =_sidata
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800031c: 4a0d ldr r2, [pc, #52] @ (8000354 <LoopForever+0xe>)
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movs r3, #0
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800031e: 2300 movs r3, #0
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b LoopCopyDataInit
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8000320: e002 b.n 8000328 <LoopCopyDataInit>
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08000322 <CopyDataInit>:
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CopyDataInit:
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ldr r4, [r2, r3]
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8000322: 58d4 ldr r4, [r2, r3]
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str r4, [r0, r3]
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8000324: 50c4 str r4, [r0, r3]
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adds r3, r3, #4
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8000326: 3304 adds r3, #4
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08000328 <LoopCopyDataInit>:
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LoopCopyDataInit:
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adds r4, r0, r3
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8000328: 18c4 adds r4, r0, r3
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cmp r4, r1
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800032a: 428c cmp r4, r1
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bcc CopyDataInit
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800032c: d3f9 bcc.n 8000322 <CopyDataInit>
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/* Zero fill the bss segment. */
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ldr r2, =_sbss
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800032e: 4a0a ldr r2, [pc, #40] @ (8000358 <LoopForever+0x12>)
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ldr r4, =_ebss
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8000330: 4c0a ldr r4, [pc, #40] @ (800035c <LoopForever+0x16>)
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movs r3, #0
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8000332: 2300 movs r3, #0
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b LoopFillZerobss
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8000334: e001 b.n 800033a <LoopFillZerobss>
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08000336 <FillZerobss>:
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FillZerobss:
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str r3, [r2]
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8000336: 6013 str r3, [r2, #0]
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adds r2, r2, #4
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8000338: 3204 adds r2, #4
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0800033a <LoopFillZerobss>:
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LoopFillZerobss:
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cmp r2, r4
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800033a: 42a2 cmp r2, r4
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bcc FillZerobss
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800033c: d3fb bcc.n 8000336 <FillZerobss>
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/* Call static constructors */
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bl __libc_init_array
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800033e: f000 f80f bl 8000360 <__libc_init_array>
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/* Call the application's entry point.*/
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bl main
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8000342: f7ff ff69 bl 8000218 <main>
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08000346 <LoopForever>:
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LoopForever:
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b LoopForever
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8000346: e7fe b.n 8000346 <LoopForever>
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ldr r0, =_estack
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8000348: 20008000 .word 0x20008000
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ldr r0, =_sdata
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800034c: 20000000 .word 0x20000000
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ldr r1, =_edata
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8000350: 20000000 .word 0x20000000
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ldr r2, =_sidata
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8000354: 080003c8 .word 0x080003c8
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ldr r2, =_sbss
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8000358: 20000000 .word 0x20000000
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ldr r4, =_ebss
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800035c: 2000001c .word 0x2000001c
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08000360 <__libc_init_array>:
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8000360: b570 push {r4, r5, r6, lr}
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8000362: 4d0d ldr r5, [pc, #52] @ (8000398 <__libc_init_array+0x38>)
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8000364: 4c0d ldr r4, [pc, #52] @ (800039c <__libc_init_array+0x3c>)
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8000366: 1b64 subs r4, r4, r5
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8000368: 10a4 asrs r4, r4, #2
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800036a: 2600 movs r6, #0
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800036c: 42a6 cmp r6, r4
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800036e: d109 bne.n 8000384 <__libc_init_array+0x24>
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8000370: 4d0b ldr r5, [pc, #44] @ (80003a0 <__libc_init_array+0x40>)
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8000372: 4c0c ldr r4, [pc, #48] @ (80003a4 <__libc_init_array+0x44>)
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8000374: f000 f818 bl 80003a8 <_init>
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8000378: 1b64 subs r4, r4, r5
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800037a: 10a4 asrs r4, r4, #2
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800037c: 2600 movs r6, #0
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800037e: 42a6 cmp r6, r4
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8000380: d105 bne.n 800038e <__libc_init_array+0x2e>
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8000382: bd70 pop {r4, r5, r6, pc}
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8000384: f855 3b04 ldr.w r3, [r5], #4
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8000388: 4798 blx r3
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800038a: 3601 adds r6, #1
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800038c: e7ee b.n 800036c <__libc_init_array+0xc>
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800038e: f855 3b04 ldr.w r3, [r5], #4
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8000392: 4798 blx r3
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8000394: 3601 adds r6, #1
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8000396: e7f2 b.n 800037e <__libc_init_array+0x1e>
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8000398: 080003c0 .word 0x080003c0
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800039c: 080003c0 .word 0x080003c0
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80003a0: 080003c0 .word 0x080003c0
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80003a4: 080003c4 .word 0x080003c4
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080003a8 <_init>:
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80003a8: b5f8 push {r3, r4, r5, r6, r7, lr}
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80003aa: bf00 nop
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80003ac: bcf8 pop {r3, r4, r5, r6, r7}
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80003ae: bc08 pop {r3}
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80003b0: 469e mov lr, r3
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80003b2: 4770 bx lr
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080003b4 <_fini>:
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80003b4: b5f8 push {r3, r4, r5, r6, r7, lr}
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80003b6: bf00 nop
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80003b8: bcf8 pop {r3, r4, r5, r6, r7}
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80003ba: bc08 pop {r3}
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80003bc: 469e mov lr, r3
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80003be: 4770 bx lr
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