cpu: CPU.CortexM @ sysbus cpuType: "cortex-m4f" nvic: nvic PerformanceInMips: 96 nvic: IRQControllers.NVIC @ sysbus 0xE000E000 -> cpu@0 // Memory // Renode-only helper peripheral placed in reserved address space. // The error is logged with an unimplemented function's name if a valid // LR value is written to the peripheral's address. bootrom_logger: Miscellaneous.AmbiqApollo4_BootromLogger @ sysbus 0x07FFFFFC bootromBaseAddress: 0x08000000 bootrom: Memory.MappedMemory @ sysbus 0x08000000 size: 0x1000 init: // Bootrom in Ambiq Apollo4b contains functions which are used by SDK. // Since the actual bootrom code isn't currently available even as a blob, // these simple implementations for necessary functions are provided: // * program_main2 WriteWord 0x6C 0x2900 // asm: cmp r1, #0 // compare arg1 WriteWord 0x6E 0xD000 // asm: beq 0x72 // jump to 0x72 if equal WriteWord 0x70 0xE0D6 // asm: b 0x220 // jump to 0x220 WriteWord 0x72 0xE0C5 // asm: b 0x200 // jump to 0x200 // * read_word WriteWord 0x74 0x6800 // asm: ldr r0, [r0, #0] WriteWord 0x76 0x4770 // asm: bx lr // * delay -- called with a number of iterations in 'r0' (see 'am_hal_delay_us' in // SDK's 'mcu/apollo4p/hal/mcu/am_hal_utils.c'). 15 iterations are added // because in hardware equivalent time is spent on checking burst mode // and adjusting to it. It's safe to do so -- with AmbiqSuite v4.2 the // number of iterations passed will always be lower than '2^32 - 1 - 15'. WriteWord 0x9C 0x300F // asm: adds r0, #15 // add 15 iterations WriteWord 0x9E 0x3801 // asm: subs r0, #1 // decrement number of iterations WriteWord 0xA0 0x2800 // asm: cmp r0, #0 // compare with 0 WriteWord 0xA2 0xd1fc // asm: bne.n 0x9E // jump to 0x9E if not equal WriteWord 0xA4 0x4770 // asm: bx lr // return // A handler which prevents silent usage of unimplemented functions: // 1. the address of the caller (LR) is written to the 'bootrom_logger' // (see above) which logs an error with the name of the function, // 2. the jump to the 'logger_address' is performed, which aborts the // simulation because it isn't a MappedMemory. WriteDoubleWord 0x30 0x3014f8df // asm: ldr r3, logger_address WriteDoubleWord 0x34 0xe000f8c3 // asm: str lr, [r3] WriteWord 0x38 0x4718 // asm: bx r3 WriteDoubleWord 0x48 0x07fffffc // logger_address // Unimplemented functions jump to the handler (asm: bl handler). WriteDoubleWord 0x4C 0xfff0f7ff // mass_erase WriteDoubleWord 0x50 0xffeef7ff // page_erase WriteDoubleWord 0x54 0xffecf7ff // program_main WriteDoubleWord 0x58 0xffeaf7ff // program_info_area WriteDoubleWord 0x78 0xffdaf7ff // write WriteDoubleWord 0x80 0xffd6f7ff // info_erase WriteDoubleWord 0x98 0xffcaf7ff // recovery // * program_main2 -- with parm1 == 0, assuming that numWords is not 0 WriteWord 0x200 0x9800 // asm: ldr r0, [sp] // load numWords from stack WriteWord 0x202 0x0080 // asm: lsl r0, r0, #2 // multiply numWords by 4 (to get number of bytes) WriteWord 0x204 0x009B // asm: lsl r3, r3, #2 // multiply dst to get the actual address WriteWord 0x206 0x501A // asm: str r2, [r3, r0] // store r2 to dst + numWords WriteWord 0x208 0x3804 // asm: subs r0, #4 // decrease numWords WriteWord 0x20A 0x2800 // asm: cmp r0, #0 // compare numWords with 0 WriteWord 0x20C 0xDAFB // asm: bge 0x206 // jump to 0x206 if not negative WriteWord 0x20E 0x2000 // asm: movs r0, #0 // set return value to OK WriteWord 0x210 0x4770 // asm: bx lr // return // * program_main2 -- with parm1 == 1, assuming that numWords is not 0 WriteWord 0x220 0x9800 // asm: ldr r0, [sp] // load numWords from stack WriteWord 0x222 0x0080 // asm: lsl r0, r0, #2 // multiply numWords by 4 (to get number of bytes) WriteWord 0x224 0x009B // asm: lsl r3, r3, #2 // multiply dst to get the actual address WriteWord 0x226 0x5811 // asm: ldr r1, [r2, r0] // load src + numWords to r5 WriteWord 0x228 0x5019 // asm: str r1, [r3, r0] // store r1 to dst + numWords WriteWord 0x22A 0x3804 // asm: subs r0, #4 // decrease numWords WriteWord 0x22C 0x2800 // asm: cmp r0, #0 // compare numWords with 0 WriteWord 0x22E 0xDAFA // asm: bge 0x226 // jump to 0x226 if not negative WriteWord 0x230 0x2000 // asm: movs r0, #0 // set return value to OK WriteWord 0x232 0x4770 // asm: bx lr // return mcu_mram: Memory.MappedMemory @ sysbus 0x00000000 size: 0x200000 mcu_tcm: Memory.MappedMemory @ sysbus 0x10000000 size: 0x60000 shared_sram: Memory.MappedMemory @ sysbus 0x10060000 size: 0x100000 // Other peripherals adc: Analog.AmbiqApollo4_ADC @ sysbus 0x40038000 // The last 6 bits contain the fraction part in measurement averages computed from multiple samples. Channel0Data: 0x40 // Min value for the integer part. Channel1Data: 0xAAAA Channel2Data: 0x15555 Channel3Data: 0x1FFFF Channel4Data: 0x2AAAA Channel5Data: 0x35555 Channel6Data: 0x3FFC0 // Max value for the integer part. -> nvic@19 gpio: GPIOPort.AmbiqApollo4_GPIO @ sysbus 0x40010000 McuN0IrqBank0 -> nvic@56 McuN0IrqBank1 -> nvic@57 McuN0IrqBank2 -> nvic@58 McuN0IrqBank3 -> nvic@59 McuN1IrqBank0 -> nvic@60 McuN1IrqBank1 -> nvic@61 McuN1IrqBank2 -> nvic@62 McuN1IrqBank3 -> nvic@63 iom0: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40050000 -> nvic@6 iom1: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40051000 -> nvic@7 iom2: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40052000 -> nvic@8 iom3: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40053000 -> nvic@9 iom4: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40054000 -> nvic@10 iom5: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40055000 -> nvic@11 iom6: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40056000 -> nvic@12 iom7: SPI.AmbiqApollo4_IOMaster @ sysbus 0x40057000 -> nvic@13 rtc: Timers.AmbiqApollo4_RTC @ sysbus 0x40004800 -> nvic@2 timerIRQ: Miscellaneous.CombinedInput @ none numberOfInputs: 16 -> nvic@14 timer: Timers.AmbiqApollo4_Timer @ sysbus 0x40008000 0 -> timerIRQ@0 | nvic@67 1 -> timerIRQ@1 | nvic@68 2 -> timerIRQ@2 | nvic@69 3 -> timerIRQ@3 | nvic@70 4 -> timerIRQ@4 | nvic@71 5 -> timerIRQ@5 | nvic@72 6 -> timerIRQ@6 | nvic@73 7 -> timerIRQ@7 | nvic@74 8 -> timerIRQ@8 | nvic@75 9 -> timerIRQ@9 | nvic@76 10 -> timerIRQ@10 | nvic@77 11 -> timerIRQ@11 | nvic@78 12 -> timerIRQ@12 | nvic@79 13 -> timerIRQ@13 | nvic@80 14 -> timerIRQ@14 | nvic@81 15 -> timerIRQ@15 | nvic@82 stimer: Timers.AmbiqApollo4_SystemTimer @ sysbus 0x40008800 IRQA -> nvic@32 IRQB -> nvic@33 IRQC -> nvic@34 IRQD -> nvic@35 IRQE -> nvic@36 IRQF -> nvic@37 IRQG -> nvic@38 IRQH -> nvic@39 IRQI -> nvic@40 uart0: UART.PL011 @ sysbus 0x4001C000 -> nvic@15 uart1: UART.PL011 @ sysbus 0x4001D000 -> nvic@16 uart2: UART.PL011 @ sysbus 0x4001E000 -> nvic@17 uart3: UART.PL011 @ sysbus 0x4001F000 -> nvic@18 pwrctrl: Miscellaneous.AmbiqApollo4_PowerController @ sysbus 0x40021000 security: Miscellaneous.AmbiqApollo4_Security @ sysbus 0x40030000 wdt: Timers.AmbiqApollo4_Watchdog @ sysbus 0x40024000 cpu_complex: Python.PythonPeripheral @ sysbus 0x48000000 size: 0x1000 // DAXI Control = 0x4 - DAXIREADY bit set script: "request.value = 0x4 if request.offset == 0x54 else 0" sysbus: init: SilenceRange <0x40020000, 0x40020FFF> // MCUCTRL SilenceRange <0x47FF0000, 0x47FF0004> // SYNC_READ Tag <0x0800004D,0x0800009F> "CPU_BOOTROM" Tag <0x40004000,0x40004FFF> "CLKGEN" Tag <0x40008000,0x400087FF> "TIMER" Tag <0x40014000,0x40014FFF> "MRAM" Tag <0x400C0000,0x400C3FFF> "CRYPTO" Tag <0x400C2000,0x400C3FFF> "OTP" Tag <0x42000000,0x4200FFFF> "NVM_OTP" Tag <0x42000000,0x42000067> "INFO0" Tag <0x42002000,0x4200332F> "INFO1" Tag <0xE0000000,0xE0000FFF> "ITM" Tag <0xF0000000,0xF0000FFF> "JEDEC"