diff options
author | David A. Mellis <d.mellis@arduino.cc> | 2011-10-10 09:01:56 -0700 |
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committer | David A. Mellis <d.mellis@arduino.cc> | 2011-10-10 09:01:56 -0700 |
commit | f9ed282a16a6ac89cbd8458cd174332d64d0428b (patch) | |
tree | c639485eb91214a6d9c95401ed83c784af286c9a /bootloaders/optiboot/optiboot_lilypad.lst | |
parent | 84285ab7807db69a96c96d58bb227669a81d5226 (diff) | |
parent | 4b7c12b7cbd7a9575814040da1d182106638e9c0 (diff) |
Merge pull request #30 from WestfW/master
Significant optiboot upgrade.
Diffstat (limited to 'bootloaders/optiboot/optiboot_lilypad.lst')
-rw-r--r-- | bootloaders/optiboot/optiboot_lilypad.lst | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/bootloaders/optiboot/optiboot_lilypad.lst b/bootloaders/optiboot/optiboot_lilypad.lst deleted file mode 100644 index 0e46bd1..0000000 --- a/bootloaders/optiboot/optiboot_lilypad.lst +++ /dev/null @@ -1,533 +0,0 @@ - -optiboot_lilypad.elf: file format elf32-avr - -Sections: -Idx Name Size VMA LMA File off Algn - 0 .text 000001fc 00003e00 00003e00 00000054 2**1 - CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 - CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 00000078 00000000 00000000 00000278 2**0 - CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000277 00000000 00000000 000002f0 2**0 - CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000194 00000000 00000000 00000567 2**0 - CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003bb 00000000 00000000 000006fb 2**0 - CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 000000a0 00000000 00000000 00000ab8 2**2 - CONTENTS, READONLY, DEBUGGING - 7 .debug_str 0000013f 00000000 00000000 00000b58 2**0 - CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001a0 00000000 00000000 00000c97 2**0 - CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000070 00000000 00000000 00000e37 2**0 - CONTENTS, READONLY, DEBUGGING - -Disassembly of section .text: - -00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) -#endif -/* main program starts here */ -int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 - UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); -#endif - - // Adaboot no-wait mod - ch = MCUSR; - 3e06: 84 b7 in r24, 0x34 ; 52 - MCUSR = 0; - 3e08: 14 be out 0x34, r1 ; 52 - if (!(ch & _BV(EXTRF))) appStart(); - 3e0a: 81 ff sbrs r24, 1 - 3e0c: e4 d0 rcall .+456 ; 0x3fd6 <appStart> - - // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e0e: 8d e0 ldi r24, 0x0D ; 13 - 3e10: dc d0 rcall .+440 ; 0x3fca <watchdogConfig> - - /* Set LED pin as output */ - LED_DDR |= _BV(LED); - 3e12: 25 9a sbi 0x04, 5 ; 4 - -#ifdef SOFT_UART - /* Set TX pin as output */ - UART_DDR |= _BV(UART_TX_BIT); - 3e14: 51 9a sbi 0x0a, 1 ; 10 - 3e16: 86 e0 ldi r24, 0x06 ; 6 -} - -#if LED_START_FLASHES > 0 -void flash_led(uint8_t count) { - do { - TCNT1 = -(F_CPU/(1024*16)); - 3e18: 28 e1 ldi r18, 0x18 ; 24 - 3e1a: 3e ef ldi r19, 0xFE ; 254 - TIFR1 = _BV(TOV1); - 3e1c: 91 e0 ldi r25, 0x01 ; 1 -} - -#if LED_START_FLASHES > 0 -void flash_led(uint8_t count) { - do { - TCNT1 = -(F_CPU/(1024*16)); - 3e1e: 30 93 85 00 sts 0x0085, r19 - 3e22: 20 93 84 00 sts 0x0084, r18 - TIFR1 = _BV(TOV1); - 3e26: 96 bb out 0x16, r25 ; 22 - while(!(TIFR1 & _BV(TOV1))); - 3e28: b0 9b sbis 0x16, 0 ; 22 - 3e2a: fe cf rjmp .-4 ; 0x3e28 <main+0x28> - LED_PIN |= _BV(LED); - 3e2c: 1d 9a sbi 0x03, 5 ; 3 - return getch(); -} - -// Watchdog functions. These are only safe with interrupts turned off. -void watchdogReset() { - __asm__ __volatile__ ( - 3e2e: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); - LED_PIN |= _BV(LED); - watchdogReset(); - } while (--count); - 3e30: 81 50 subi r24, 0x01 ; 1 - 3e32: a9 f7 brne .-22 ; 0x3e1e <main+0x1e> - /* get character from UART */ - ch = getch(); - - if(ch == STK_GET_PARAMETER) { - // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy - getNch(1); - 3e34: dd 24 eor r13, r13 - 3e36: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); - addrPtr += 2; - } while (--ch); - - // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e38: a5 e0 ldi r26, 0x05 ; 5 - 3e3a: ea 2e mov r14, r26 - boot_spm_busy_wait(); - -#if defined(RWWSRE) - // Reenable read access to flash - boot_rww_enable(); - 3e3c: f1 e1 ldi r31, 0x11 ; 17 - 3e3e: ff 2e mov r15, r31 -#endif - - /* Forever loop */ - for (;;) { - /* get character from UART */ - ch = getch(); - 3e40: ab d0 rcall .+342 ; 0x3f98 <getch> - - if(ch == STK_GET_PARAMETER) { - 3e42: 81 34 cpi r24, 0x41 ; 65 - 3e44: 21 f4 brne .+8 ; 0x3e4e <main+0x4e> - // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy - getNch(1); - 3e46: 81 e0 ldi r24, 0x01 ; 1 - 3e48: d1 d0 rcall .+418 ; 0x3fec <verifySpace+0xc> - putch(0x03); - 3e4a: 83 e0 ldi r24, 0x03 ; 3 - 3e4c: 24 c0 rjmp .+72 ; 0x3e96 <main+0x96> - } - else if(ch == STK_SET_DEVICE) { - 3e4e: 82 34 cpi r24, 0x42 ; 66 - 3e50: 11 f4 brne .+4 ; 0x3e56 <main+0x56> - // SET DEVICE is ignored - getNch(20); - 3e52: 84 e1 ldi r24, 0x14 ; 20 - 3e54: 03 c0 rjmp .+6 ; 0x3e5c <main+0x5c> - } - else if(ch == STK_SET_DEVICE_EXT) { - 3e56: 85 34 cpi r24, 0x45 ; 69 - 3e58: 19 f4 brne .+6 ; 0x3e60 <main+0x60> - // SET DEVICE EXT is ignored - getNch(5); - 3e5a: 85 e0 ldi r24, 0x05 ; 5 - 3e5c: c7 d0 rcall .+398 ; 0x3fec <verifySpace+0xc> - 3e5e: 8a c0 rjmp .+276 ; 0x3f74 <main+0x174> - } - else if(ch == STK_LOAD_ADDRESS) { - 3e60: 85 35 cpi r24, 0x55 ; 85 - 3e62: a1 f4 brne .+40 ; 0x3e8c <main+0x8c> - // LOAD ADDRESS - address = getch(); - 3e64: 99 d0 rcall .+306 ; 0x3f98 <getch> - 3e66: 08 2f mov r16, r24 - 3e68: 10 e0 ldi r17, 0x00 ; 0 - 3e6a: 10 93 01 02 sts 0x0201, r17 - 3e6e: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e72: 92 d0 rcall .+292 ; 0x3f98 <getch> - 3e74: 90 e0 ldi r25, 0x00 ; 0 - 3e76: 98 2f mov r25, r24 - 3e78: 88 27 eor r24, r24 - 3e7a: 80 2b or r24, r16 - 3e7c: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e7e: 88 0f add r24, r24 - 3e80: 99 1f adc r25, r25 - 3e82: 90 93 01 02 sts 0x0201, r25 - 3e86: 80 93 00 02 sts 0x0200, r24 - 3e8a: 73 c0 rjmp .+230 ; 0x3f72 <main+0x172> - verifySpace(); - } - else if(ch == STK_UNIVERSAL) { - 3e8c: 86 35 cpi r24, 0x56 ; 86 - 3e8e: 29 f4 brne .+10 ; 0x3e9a <main+0x9a> - // UNIVERSAL command is ignored - getNch(4); - 3e90: 84 e0 ldi r24, 0x04 ; 4 - 3e92: ac d0 rcall .+344 ; 0x3fec <verifySpace+0xc> - putch(0x00); - 3e94: 80 e0 ldi r24, 0x00 ; 0 - 3e96: 71 d0 rcall .+226 ; 0x3f7a <putch> - 3e98: 6d c0 rjmp .+218 ; 0x3f74 <main+0x174> - } - /* Write memory, length is big endian and is in bytes */ - else if(ch == STK_PROG_PAGE) { - 3e9a: 84 36 cpi r24, 0x64 ; 100 - 3e9c: 09 f0 breq .+2 ; 0x3ea0 <main+0xa0> - 3e9e: 43 c0 rjmp .+134 ; 0x3f26 <main+0x126> - // PROGRAM PAGE - we support flash programming only, not EEPROM - uint8_t *bufPtr; - uint16_t addrPtr; - - getLen(); - 3ea0: 8f d0 rcall .+286 ; 0x3fc0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3ea2: e0 91 00 02 lds r30, 0x0200 - 3ea6: f0 91 01 02 lds r31, 0x0201 - 3eaa: 83 e0 ldi r24, 0x03 ; 3 - 3eac: 80 93 57 00 sts 0x0057, r24 - 3eb0: e8 95 spm - 3eb2: c0 e0 ldi r28, 0x00 ; 0 - 3eb4: d1 e0 ldi r29, 0x01 ; 1 - - // While that is going on, read in page contents - bufPtr = buff; - do *bufPtr++ = getch(); - 3eb6: 70 d0 rcall .+224 ; 0x3f98 <getch> - 3eb8: 89 93 st Y+, r24 - while (--length); - 3eba: 80 91 02 02 lds r24, 0x0202 - 3ebe: 81 50 subi r24, 0x01 ; 1 - 3ec0: 80 93 02 02 sts 0x0202, r24 - 3ec4: 88 23 and r24, r24 - 3ec6: b9 f7 brne .-18 ; 0x3eb6 <main+0xb6> - - // Read command terminator, start reply - verifySpace(); - 3ec8: 8b d0 rcall .+278 ; 0x3fe0 <verifySpace> - - // If only a partial page is to be programmed, the erase might not be complete. - // So check that here - boot_spm_busy_wait(); - 3eca: 07 b6 in r0, 0x37 ; 55 - 3ecc: 00 fc sbrc r0, 0 - 3ece: fd cf rjmp .-6 ; 0x3eca <main+0xca> - } -#endif - - // Copy buffer into programming buffer - bufPtr = buff; - addrPtr = (uint16_t)(void*)address; - 3ed0: 40 91 00 02 lds r20, 0x0200 - 3ed4: 50 91 01 02 lds r21, 0x0201 - 3ed8: a0 e0 ldi r26, 0x00 ; 0 - 3eda: b1 e0 ldi r27, 0x01 ; 1 - ch = SPM_PAGESIZE / 2; - do { - uint16_t a; - a = *bufPtr++; - 3edc: 2c 91 ld r18, X - 3ede: 30 e0 ldi r19, 0x00 ; 0 - a |= (*bufPtr++) << 8; - 3ee0: 11 96 adiw r26, 0x01 ; 1 - 3ee2: 8c 91 ld r24, X - 3ee4: 11 97 sbiw r26, 0x01 ; 1 - 3ee6: 90 e0 ldi r25, 0x00 ; 0 - 3ee8: 98 2f mov r25, r24 - 3eea: 88 27 eor r24, r24 - 3eec: 82 2b or r24, r18 - 3eee: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) -#endif -/* main program starts here */ -int main(void) { - 3ef0: 12 96 adiw r26, 0x02 ; 2 - ch = SPM_PAGESIZE / 2; - do { - uint16_t a; - a = *bufPtr++; - a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3ef2: fa 01 movw r30, r20 - 3ef4: 0c 01 movw r0, r24 - 3ef6: d0 92 57 00 sts 0x0057, r13 - 3efa: e8 95 spm - 3efc: 11 24 eor r1, r1 - addrPtr += 2; - 3efe: 4e 5f subi r20, 0xFE ; 254 - 3f00: 5f 4f sbci r21, 0xFF ; 255 - } while (--ch); - 3f02: f1 e0 ldi r31, 0x01 ; 1 - 3f04: a0 38 cpi r26, 0x80 ; 128 - 3f06: bf 07 cpc r27, r31 - 3f08: 49 f7 brne .-46 ; 0x3edc <main+0xdc> - - // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f0a: e0 91 00 02 lds r30, 0x0200 - 3f0e: f0 91 01 02 lds r31, 0x0201 - 3f12: e0 92 57 00 sts 0x0057, r14 - 3f16: e8 95 spm - boot_spm_busy_wait(); - 3f18: 07 b6 in r0, 0x37 ; 55 - 3f1a: 00 fc sbrc r0, 0 - 3f1c: fd cf rjmp .-6 ; 0x3f18 <main+0x118> - -#if defined(RWWSRE) - // Reenable read access to flash - boot_rww_enable(); - 3f1e: f0 92 57 00 sts 0x0057, r15 - 3f22: e8 95 spm - 3f24: 27 c0 rjmp .+78 ; 0x3f74 <main+0x174> -#endif - - } - /* Read memory block mode, length is big endian. */ - else if(ch == STK_READ_PAGE) { - 3f26: 84 37 cpi r24, 0x74 ; 116 - 3f28: b9 f4 brne .+46 ; 0x3f58 <main+0x158> - // READ PAGE - we only read flash - getLen(); - 3f2a: 4a d0 rcall .+148 ; 0x3fc0 <getLen> - verifySpace(); - 3f2c: 59 d0 rcall .+178 ; 0x3fe0 <verifySpace> - else ch = pgm_read_byte_near(address); - address++; - putch(ch); - } while (--length); -#else - do putch(pgm_read_byte_near(address++)); - 3f2e: e0 91 00 02 lds r30, 0x0200 - 3f32: f0 91 01 02 lds r31, 0x0201 - 3f36: 31 96 adiw r30, 0x01 ; 1 - 3f38: f0 93 01 02 sts 0x0201, r31 - 3f3c: e0 93 00 02 sts 0x0200, r30 - 3f40: 31 97 sbiw r30, 0x01 ; 1 - 3f42: e4 91 lpm r30, Z+ - 3f44: 8e 2f mov r24, r30 - 3f46: 19 d0 rcall .+50 ; 0x3f7a <putch> - while (--length); - 3f48: 80 91 02 02 lds r24, 0x0202 - 3f4c: 81 50 subi r24, 0x01 ; 1 - 3f4e: 80 93 02 02 sts 0x0202, r24 - 3f52: 88 23 and r24, r24 - 3f54: 61 f7 brne .-40 ; 0x3f2e <main+0x12e> - 3f56: 0e c0 rjmp .+28 ; 0x3f74 <main+0x174> -#endif - } - - /* Get device signature bytes */ - else if(ch == STK_READ_SIGN) { - 3f58: 85 37 cpi r24, 0x75 ; 117 - 3f5a: 39 f4 brne .+14 ; 0x3f6a <main+0x16a> - // READ SIGN - return what Avrdude wants to hear - verifySpace(); - 3f5c: 41 d0 rcall .+130 ; 0x3fe0 <verifySpace> - putch(SIGNATURE_0); - 3f5e: 8e e1 ldi r24, 0x1E ; 30 - 3f60: 0c d0 rcall .+24 ; 0x3f7a <putch> - putch(SIGNATURE_1); - 3f62: 84 e9 ldi r24, 0x94 ; 148 - 3f64: 0a d0 rcall .+20 ; 0x3f7a <putch> - putch(SIGNATURE_2); - 3f66: 86 e0 ldi r24, 0x06 ; 6 - 3f68: 96 cf rjmp .-212 ; 0x3e96 <main+0x96> - } - else if (ch == 'Q') { - 3f6a: 81 35 cpi r24, 0x51 ; 81 - 3f6c: 11 f4 brne .+4 ; 0x3f72 <main+0x172> - // Adaboot no-wait mod - watchdogConfig(WATCHDOG_16MS); - 3f6e: 88 e0 ldi r24, 0x08 ; 8 - 3f70: 2c d0 rcall .+88 ; 0x3fca <watchdogConfig> - verifySpace(); - } - else { - // This covers the response to commands like STK_ENTER_PROGMODE - verifySpace(); - 3f72: 36 d0 rcall .+108 ; 0x3fe0 <verifySpace> - } - putch(STK_OK); - 3f74: 80 e1 ldi r24, 0x10 ; 16 - 3f76: 01 d0 rcall .+2 ; 0x3f7a <putch> - 3f78: 63 cf rjmp .-314 ; 0x3e40 <main+0x40> - -00003f7a <putch>: -void putch(char ch) { -#ifndef SOFT_UART - while (!(UCSR0A & _BV(UDRE0))); - UDR0 = ch; -#else - __asm__ __volatile__ ( - 3f7a: 2a e0 ldi r18, 0x0A ; 10 - 3f7c: 30 e0 ldi r19, 0x00 ; 0 - 3f7e: 80 95 com r24 - 3f80: 08 94 sec - 3f82: 10 f4 brcc .+4 ; 0x3f88 <putch+0xe> - 3f84: 59 98 cbi 0x0b, 1 ; 11 - 3f86: 02 c0 rjmp .+4 ; 0x3f8c <putch+0x12> - 3f88: 59 9a sbi 0x0b, 1 ; 11 - 3f8a: 00 00 nop - 3f8c: 15 d0 rcall .+42 ; 0x3fb8 <uartDelay> - 3f8e: 14 d0 rcall .+40 ; 0x3fb8 <uartDelay> - 3f90: 86 95 lsr r24 - 3f92: 2a 95 dec r18 - 3f94: b1 f7 brne .-20 ; 0x3f82 <putch+0x8> - [uartBit] "I" (UART_TX_BIT) - : - "r25" - ); -#endif -} - 3f96: 08 95 ret - -00003f98 <getch>: - return getch(); -} - -// Watchdog functions. These are only safe with interrupts turned off. -void watchdogReset() { - __asm__ __volatile__ ( - 3f98: a8 95 wdr -#ifdef LED_DATA_FLASH - LED_PIN |= _BV(LED); -#endif - - return ch; -} - 3f9a: 29 e0 ldi r18, 0x09 ; 9 - 3f9c: 30 e0 ldi r19, 0x00 ; 0 - 3f9e: 48 99 sbic 0x09, 0 ; 9 - 3fa0: fe cf rjmp .-4 ; 0x3f9e <getch+0x6> - 3fa2: 0a d0 rcall .+20 ; 0x3fb8 <uartDelay> - 3fa4: 09 d0 rcall .+18 ; 0x3fb8 <uartDelay> - 3fa6: 08 d0 rcall .+16 ; 0x3fb8 <uartDelay> - 3fa8: 88 94 clc - 3faa: 48 99 sbic 0x09, 0 ; 9 - 3fac: 08 94 sec - 3fae: 2a 95 dec r18 - 3fb0: 11 f0 breq .+4 ; 0x3fb6 <getch+0x1e> - 3fb2: 87 95 ror r24 - 3fb4: f7 cf rjmp .-18 ; 0x3fa4 <getch+0xc> - 3fb6: 08 95 ret - -00003fb8 <uartDelay>: -#if UART_B_VALUE > 255 -#error Baud rate too slow for soft UART -#endif - -void uartDelay() { - __asm__ __volatile__ ( - 3fb8: 98 e0 ldi r25, 0x08 ; 8 - 3fba: 9a 95 dec r25 - 3fbc: f1 f7 brne .-4 ; 0x3fba <uartDelay+0x2> - 3fbe: 08 95 ret - -00003fc0 <getLen>: - } while (--count); -} -#endif - -uint8_t getLen() { - getch(); - 3fc0: eb df rcall .-42 ; 0x3f98 <getch> - length = getch(); - 3fc2: ea df rcall .-44 ; 0x3f98 <getch> - 3fc4: 80 93 02 02 sts 0x0202, r24 - return getch(); -} - 3fc8: e7 cf rjmp .-50 ; 0x3f98 <getch> - -00003fca <watchdogConfig>: - "wdr\n" - ); -} - -void watchdogConfig(uint8_t x) { - WDTCSR = _BV(WDCE) | _BV(WDE); - 3fca: e0 e6 ldi r30, 0x60 ; 96 - 3fcc: f0 e0 ldi r31, 0x00 ; 0 - 3fce: 98 e1 ldi r25, 0x18 ; 24 - 3fd0: 90 83 st Z, r25 - WDTCSR = x; - 3fd2: 80 83 st Z, r24 -} - 3fd4: 08 95 ret - -00003fd6 <appStart>: - -void appStart() { - watchdogConfig(WATCHDOG_OFF); - 3fd6: 80 e0 ldi r24, 0x00 ; 0 - 3fd8: f8 df rcall .-16 ; 0x3fca <watchdogConfig> - __asm__ __volatile__ ( - 3fda: ee 27 eor r30, r30 - 3fdc: ff 27 eor r31, r31 - 3fde: 09 94 ijmp - -00003fe0 <verifySpace>: - do getch(); while (--count); - verifySpace(); -} - -void verifySpace() { - if (getch() != CRC_EOP) appStart(); - 3fe0: db df rcall .-74 ; 0x3f98 <getch> - 3fe2: 80 32 cpi r24, 0x20 ; 32 - 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> - 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> - putch(STK_INSYNC); - 3fe8: 84 e1 ldi r24, 0x14 ; 20 -} - 3fea: c7 cf rjmp .-114 ; 0x3f7a <putch> - ::[count] "M" (UART_B_VALUE) - ); -} -#endif - -void getNch(uint8_t count) { - 3fec: 1f 93 push r17 - 3fee: 18 2f mov r17, r24 - -00003ff0 <getNch>: - do getch(); while (--count); - 3ff0: d3 df rcall .-90 ; 0x3f98 <getch> - 3ff2: 11 50 subi r17, 0x01 ; 1 - 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch> - verifySpace(); - 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> -} - 3ff8: 1f 91 pop r17 - 3ffa: 08 95 ret |