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@@ -0,0 +1,256 @@
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+{
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+ System register definitions and utility code for Cortex-M7
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+
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+ Created by Jeppe Johansen 2015 - [email protected]
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+}
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+unit cortexm7;
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+
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+interface
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+
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+{$PACKRECORDS C}
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+type
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+ NVIC_Type = record
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+ ISER: array [0..7] of longword; (*!< Offset: 0x000 (R/W) Interrupt Set Enable Register *)
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+ RESERVED0: array [0..23] of longword;
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+ ICER: array [0..7] of longword; (*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register *)
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+ RSERVED1: array [0..23] of longword;
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+ ISPR: array [0..7] of longword; (*!< Offset: 0x100 (R/W) Interrupt Set Pending Register *)
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+ RESERVED2: array [0..23] of longword;
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+ ICPR: array [0..7] of longword; (*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register *)
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+ RESERVED3: array [0..23] of longword;
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+ IABR: array [0..7] of longword; (*!< Offset: 0x200 (R/W) Interrupt Active bit Register *)
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+ RESERVED4: array [0..55] of longword;
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+ IP: array [0..239] of byte; (*!< Offset: 0x300 (R/W) Interrupt Priority Register (8Bit wide) *)
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+ RESERVED5: array [0..643] of longword;
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+ STIR: longword; (*!< Offset: 0xE00 ( /W) Software Trigger Interrupt Register *)
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+ end;
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+
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+ SCB_Type = record
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+ CPUID: longword; (*!< Offset: 0x000 (R/ ) CPUID Base Register *)
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+ ICSR: longword; (*!< Offset: 0x004 (R/W) Interrupt Control and State Register *)
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+ VTOR: longword; (*!< Offset: 0x008 (R/W) Vector Table Offset Register *)
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+ AIRCR: longword; (*!< Offset: 0x00C (R/W) Application Interrupt and Reset Control Register *)
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+ SCR: longword; (*!< Offset: 0x010 (R/W) System Control Register *)
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+ CCR: longword; (*!< Offset: 0x014 (R/W) Configuration Control Register *)
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+ SHPR: array [0..11] of byte; (*!< Offset: 0x018 (R/W) System Handlers Priority Registers (4-7, 8-11, 12-15) *)
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+ SHCSR: longword; (*!< Offset: 0x024 (R/W) System Handler Control and State Register *)
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+ CFSR: longword; (*!< Offset: 0x028 (R/W) Configurable Fault Status Register *)
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+ HFSR: longword; (*!< Offset: 0x02C (R/W) HardFault Status Register *)
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+ DFSR: longword; (*!< Offset: 0x030 (R/W) Debug Fault Status Register *)
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+ MMFAR: longword; (*!< Offset: 0x034 (R/W) MemManage Fault Address Register *)
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+ BFAR: longword; (*!< Offset: 0x038 (R/W) BusFault Address Register *)
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+ AFSR: longword; (*!< Offset: 0x03C (R/W) Auxiliary Fault Status Register *)
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+ ID_PFR: array [0..1] of longword; (*!< Offset: 0x040 (R/ ) Processor Feature Register *)
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+ ID_DFR: longword; (*!< Offset: 0x048 (R/ ) Debug Feature Register *)
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+ ID_AFR: longword; (*!< Offset: 0x04C (R/ ) Auxiliary Feature Register *)
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+ ID_MFR: array [0..3] of longword; (*!< Offset: 0x050 (R/ ) Memory Model Feature Register *)
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+ ID_ISAR: array [0..4] of longword; (*!< Offset: 0x060 (R/ ) Instruction Set Attributes Register *)
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+ RESERVED0: array [0..0] of longword;
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+ CLIDR: longword; (*!< Offset: 0x078 (R/ ) Cache Level ID register *)
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+ CTR: longword; (*!< Offset: 0x07C (R/ ) Cache Type register *)
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+ CCSIDR: longword; (*!< Offset: 0x080 (R/ ) Cache Size ID Register *)
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+ CSSELR: longword; (*!< Offset: 0x084 (R/W) Cache Size Selection Register *)
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+ CPACR: longword; (*!< Offset: 0x088 (R/W) Coprocessor Access Control Register *)
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+ RESERVED3: array [0..92] of longword;
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+ STIR: longword; (*!< Offset: 0x200 ( /W) Software Triggered Interrupt Register *)
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+ RESERVED4: array [0..14] of longword;
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+ MVFR0: longword; (*!< Offset: 0x240 (R/ ) Media and VFP Feature Register 0 *)
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+ MVFR1: longword; (*!< Offset: 0x244 (R/ ) Media and VFP Feature Register 1 *)
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+ MVFR2: longword; (*!< Offset: 0x248 (R/ ) Media and VFP Feature Register 1 *)
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+ RESERVED5: array [0..0] of longword;
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+ ICIALLU: longword; (*!< Offset: 0x250 ( /W) I-Cache Invalidate All to PoU *)
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+ RESERVED6: array [0..0] of longword;
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+ ICIMVAU: longword; (*!< Offset: 0x258 ( /W) I-Cache Invalidate by MVA to PoU *)
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+ DCIMVAC: longword; (*!< Offset: 0x25C ( /W) D-Cache Invalidate by MVA to PoC *)
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+ DCISW: longword; (*!< Offset: 0x260 ( /W) D-Cache Invalidate by Set-way *)
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+ DCCMVAU: longword; (*!< Offset: 0x264 ( /W) D-Cache Clean by MVA to PoU *)
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+ DCCMVAC: longword; (*!< Offset: 0x268 ( /W) D-Cache Clean by MVA to PoC *)
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+ DCCSW: longword; (*!< Offset: 0x26C ( /W) D-Cache Clean by Set-way *)
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+ DCCIMVAC: longword; (*!< Offset: 0x270 ( /W) D-Cache Clean and Invalidate by MVA to PoC *)
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+ DCCISW: longword; (*!< Offset: 0x274 ( /W) D-Cache Clean and Invalidate by Set-way *)
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+ RESERVED7: array [0..5] of longword;
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+ ITCMCR: longword; (*!< Offset: 0x290 (R/W) Instruction Tightly-Coupled Memory Control Register *)
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+ DTCMCR: longword; (*!< Offset: 0x294 (R/W) Data Tightly-Coupled Memory Control Registers *)
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+ AHBPCR: longword; (*!< Offset: 0x298 (R/W) AHBP Control Register *)
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+ CACR: longword; (*!< Offset: 0x29C (R/W) L1 Cache Control Register *)
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+ AHBSCR: longword; (*!< Offset: 0x2A0 (R/W) AHB Slave Control Register *)
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+ RESERVED8: array [0..0] of longword;
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+ ABFSR: longword; (*!< Offset: 0x2A8 (R/W) Auxiliary Bus Fault Status Register *)
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+ end;
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+
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+ SCnSCB_Type = record
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+ RESERVED0: array [0..0] of longword;
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+ ICTR: longword; (*!< Offset: 0x004 (R/ ) Interrupt Controller Type Register *)
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+ ACTLR: longword; (*!< Offset: 0x008 (R/W) Auxiliary Control Register *)
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+ end;
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+
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+ SysTick_Type = record
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+ CTRL: longword; (*!< Offset: 0x000 (R/W) SysTick Control and Status Register *)
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+ LOAD: longword; (*!< Offset: 0x004 (R/W) SysTick Reload Value Register *)
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+ VAL: longword; (*!< Offset: 0x008 (R/W) SysTick Current Value Register *)
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+ CALIB: longword; (*!< Offset: 0x00C (R/ ) SysTick Calibration Register *)
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+ end;
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+
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+ ITM_Type = record
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+ PORT: array [0..31] of record
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+ case integer of
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+ 0: (u8: byte;); (*!< Offset: 0x000 ( /W) ITM Stimulus Port 8-bit *)
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+ 1: (u16: word;); (*!< Offset: 0x000 ( /W) ITM Stimulus Port 16-bit *)
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+ 2: (u32: longword;); (*!< Offset: 0x000 ( /W) ITM Stimulus Port 32-bit *)
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+ end;
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+ (*!< Offset: 0x000 ( /W) ITM Stimulus Port Registers *)
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+ RESERVED0: array [0..863] of longword;
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+ TER: longword; (*!< Offset: 0xE00 (R/W) ITM Trace Enable Register *)
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+ RESERVED1: array [0..14] of longword;
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+ TPR: longword; (*!< Offset: 0xE40 (R/W) ITM Trace Privilege Register *)
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+ RESERVED2: array [0..14] of longword;
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+ TCR: longword; (*!< Offset: 0xE80 (R/W) ITM Trace Control Register *)
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+ RESERVED3: array [0..28] of longword;
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+ IWR: longword; (*!< Offset: 0xEF8 ( /W) ITM Integration Write Register *)
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+ IRR: longword; (*!< Offset: 0xEFC (R/ ) ITM Integration Read Register *)
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+ IMCR: longword; (*!< Offset: 0xF00 (R/W) ITM Integration Mode Control Register *)
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+ RESERVED4: array [0..42] of longword;
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+ LAR: longword; (*!< Offset: 0xFB0 ( /W) ITM Lock Access Register *)
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+ LSR: longword; (*!< Offset: 0xFB4 (R/ ) ITM Lock Status Register *)
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+ RESERVED5: array [0..5] of longword;
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+ PID4: longword; (*!< Offset: 0xFD0 (R/ ) ITM Peripheral Identification Register #4 *)
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+ PID5: longword; (*!< Offset: 0xFD4 (R/ ) ITM Peripheral Identification Register #5 *)
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+ PID6: longword; (*!< Offset: 0xFD8 (R/ ) ITM Peripheral Identification Register #6 *)
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+ PID7: longword; (*!< Offset: 0xFDC (R/ ) ITM Peripheral Identification Register #7 *)
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+ PID0: longword; (*!< Offset: 0xFE0 (R/ ) ITM Peripheral Identification Register #0 *)
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+ PID1: longword; (*!< Offset: 0xFE4 (R/ ) ITM Peripheral Identification Register #1 *)
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+ PID2: longword; (*!< Offset: 0xFE8 (R/ ) ITM Peripheral Identification Register #2 *)
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+ PID3: longword; (*!< Offset: 0xFEC (R/ ) ITM Peripheral Identification Register #3 *)
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+ CID0: longword; (*!< Offset: 0xFF0 (R/ ) ITM Component Identification Register #0 *)
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+ CID1: longword; (*!< Offset: 0xFF4 (R/ ) ITM Component Identification Register #1 *)
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+ CID2: longword; (*!< Offset: 0xFF8 (R/ ) ITM Component Identification Register #2 *)
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+ CID3: longword; (*!< Offset: 0xFFC (R/ ) ITM Component Identification Register #3 *)
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+ end;
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+
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+ DWT_Type = record
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+ CTRL: longword; (*!< Offset: 0x000 (R/W) Control Register *)
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+ CYCCNT: longword; (*!< Offset: 0x004 (R/W) Cycle Count Register *)
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+ CPICNT: longword; (*!< Offset: 0x008 (R/W) CPI Count Register *)
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+ EXCCNT: longword; (*!< Offset: 0x00C (R/W) Exception Overhead Count Register *)
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+ SLEEPCNT: longword; (*!< Offset: 0x010 (R/W) Sleep Count Register *)
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+ LSUCNT: longword; (*!< Offset: 0x014 (R/W) LSU Count Register *)
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+ FOLDCNT: longword; (*!< Offset: 0x018 (R/W) Folded-instruction Count Register *)
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+ PCSR: longword; (*!< Offset: 0x01C (R/ ) Program Counter Sample Register *)
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+ COMP0: longword; (*!< Offset: 0x020 (R/W) Comparator Register 0 *)
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+ MASK0: longword; (*!< Offset: 0x024 (R/W) Mask Register 0 *)
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+ FUNCTION0: longword; (*!< Offset: 0x028 (R/W) Function Register 0 *)
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+ RESERVED0: array [0..0] of longword;
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+ COMP1: longword; (*!< Offset: 0x030 (R/W) Comparator Register 1 *)
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+ MASK1: longword; (*!< Offset: 0x034 (R/W) Mask Register 1 *)
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+ FUNCTION1: longword; (*!< Offset: 0x038 (R/W) Function Register 1 *)
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+ RESERVED1: array [0..0] of longword;
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+ COMP2: longword; (*!< Offset: 0x040 (R/W) Comparator Register 2 *)
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+ MASK2: longword; (*!< Offset: 0x044 (R/W) Mask Register 2 *)
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+ FUNCTION2: longword; (*!< Offset: 0x048 (R/W) Function Register 2 *)
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+ RESERVED2: array [0..0] of longword;
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+ COMP3: longword; (*!< Offset: 0x050 (R/W) Comparator Register 3 *)
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+ MASK3: longword; (*!< Offset: 0x054 (R/W) Mask Register 3 *)
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+ FUNCTION3: longword; (*!< Offset: 0x058 (R/W) Function Register 3 *)
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+ RESERVED3: array [0..980] of longword;
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+ LAR: longword; (*!< Offset: 0xFB0 ( W) Lock Access Register *)
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+ LSR: longword; (*!< Offset: 0xFB4 (R ) Lock Status Register *)
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+ end;
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+
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+ TPI_Type = record
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+ SSPSR: longword; (*!< Offset: 0x000 (R/ ) Supported Parallel Port Size Register *)
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+ CSPSR: longword; (*!< Offset: 0x004 (R/W) Current Parallel Port Size Register *)
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+ RESERVED0: array [0..1] of longword;
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+ ACPR: longword; (*!< Offset: 0x010 (R/W) Asynchronous Clock Prescaler Register *)
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+ RESERVED1: array [0..54] of longword;
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+ SPPR: longword; (*!< Offset: 0x0F0 (R/W) Selected Pin Protocol Register *)
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+ RESERVED2: array [0..130] of longword;
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+ FFSR: longword; (*!< Offset: 0x300 (R/ ) Formatter and Flush Status Register *)
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+ FFCR: longword; (*!< Offset: 0x304 (R/W) Formatter and Flush Control Register *)
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+ FSCR: longword; (*!< Offset: 0x308 (R/ ) Formatter Synchronization Counter Register *)
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+ RESERVED3: array [0..758] of longword;
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+ TRIGGER: longword; (*!< Offset: 0xEE8 (R/ ) TRIGGER *)
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+ FIFO0: longword; (*!< Offset: 0xEEC (R/ ) Integration ETM Data *)
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+ ITATBCTR2: longword; (*!< Offset: 0xEF0 (R/ ) ITATBCTR2 *)
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+ RESERVED4: array [0..0] of longword;
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+ ITATBCTR0: longword; (*!< Offset: 0xEF8 (R/ ) ITATBCTR0 *)
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+ FIFO1: longword; (*!< Offset: 0xEFC (R/ ) Integration ITM Data *)
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+ ITCTRL: longword; (*!< Offset: 0xF00 (R/W) Integration Mode Control *)
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+ RESERVED5: array [0..38] of longword;
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+ CLAIMSET: longword; (*!< Offset: 0xFA0 (R/W) Claim tag set *)
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+ CLAIMCLR: longword; (*!< Offset: 0xFA4 (R/W) Claim tag clear *)
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+ RESERVED7: array [0..7] of longword;
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+ DEVID: longword; (*!< Offset: 0xFC8 (R/ ) TPIU_DEVID *)
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+ DEVTYPE: longword; (*!< Offset: 0xFCC (R/ ) TPIU_DEVTYPE *)
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+ end;
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+
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+ MPU_Type = record
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+ TYPE_: longword; (*!< Offset: 0x000 (R/ ) MPU Type Register *)
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+ CTRL: longword; (*!< Offset: 0x004 (R/W) MPU Control Register *)
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+ RNR: longword; (*!< Offset: 0x008 (R/W) MPU Region RNRber Register *)
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+ RBAR: longword; (*!< Offset: 0x00C (R/W) MPU Region Base Address Register *)
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+ RASR: longword; (*!< Offset: 0x010 (R/W) MPU Region Attribute and Size Register *)
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+ RBAR_A1: longword; (*!< Offset: 0x014 (R/W) MPU Alias 1 Region Base Address Register *)
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+ RASR_A1: longword; (*!< Offset: 0x018 (R/W) MPU Alias 1 Region Attribute and Size Register *)
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+ RBAR_A2: longword; (*!< Offset: 0x01C (R/W) MPU Alias 2 Region Base Address Register *)
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+ RASR_A2: longword; (*!< Offset: 0x020 (R/W) MPU Alias 2 Region Attribute and Size Register *)
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+ RBAR_A3: longword; (*!< Offset: 0x024 (R/W) MPU Alias 3 Region Base Address Register *)
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+ RASR_A3: longword; (*!< Offset: 0x028 (R/W) MPU Alias 3 Region Attribute and Size Register *)
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+ end;
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+
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+ FPU_Type = record
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+ RESERVED0: array [0..0] of longword;
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+ FPCCR: longword; (*!< Offset: 0x004 (R/W) Floating-Point Context Control Register *)
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+ FPCAR: longword; (*!< Offset: 0x008 (R/W) Floating-Point Context Address Register *)
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+ FPDSCR: longword; (*!< Offset: 0x00C (R/W) Floating-Point Default Status Control Register *)
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+ MVFR0: longword; (*!< Offset: 0x010 (R/ ) Media and FP Feature Register 0 *)
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+ MVFR1: longword; (*!< Offset: 0x014 (R/ ) Media and FP Feature Register 1 *)
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+ MVFR2: longword; (*!< Offset: 0x018 (R/ ) Media and FP Feature Register 2 *)
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+ end;
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+
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+ CoreDebug_Type = record
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+ DHCSR: longword; (*!< Offset: 0x000 (R/W) Debug Halting Control and Status Register *)
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+ DCRSR: longword; (*!< Offset: 0x004 ( /W) Debug Core Register Selector Register *)
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+ DCRDR: longword; (*!< Offset: 0x008 (R/W) Debug Core Register Data Register *)
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+ DEMCR: longword; (*!< Offset: 0x00C (R/W) Debug Exception and Monitor Control Register *)
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+ end;
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+
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+(* Memory mapping of Cortex-M4 Hardware *)
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+
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+const
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+ SCS_BASE = $E000E000; (*!< System Control Space Base Address *)
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+ ITM_BASE = $E0000000; (*!< ITM Base Address *)
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+ DWT_BASE = $E0001000; (*!< DWT Base Address *)
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+ TPI_BASE = $E0040000; (*!< TPI Base Address *)
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+ CoreDebug_BASE = $E000EDF0; (*!< Core Debug Base Address *)
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+ SysTick_BASE = SCS_BASE + $001; (*!< SysTick Base Address *)
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+ NVIC_BASE = SCS_BASE + $010; (*!< NVIC Base Address *)
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+ SCB_BASE = SCS_BASE + $0D0; (*!< System Control Block Base Address *)
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+
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+var
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+ SCnSCB: SCnSCB_Type absolute SCS_BASE; (*!< System control Register not in SCB *)
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+ SCB: SCB_Type absolute SCB_BASE; (*!< SCB configuration struct *)
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+ SysTick: SysTick_Type absolute SysTick_BASE; (*!< SysTick configuration struct *)
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+ NVIC: NVIC_Type absolute NVIC_BASE; (*!< NVIC configuration struct *)
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+ ITM: ITM_Type absolute ITM_BASE; (*!< ITM configuration struct *)
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+ DWT: DWT_Type absolute DWT_BASE; (*!< DWT configuration struct *)
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+ TPI: TPI_Type absolute TPI_BASE; (*!< TPI configuration struct *)
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+ CoreDebug: CoreDebug_Type absolute CoreDebug_BASE; (*!< Core Debug configuration struct *)
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+
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+type
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+ TITM_Port = 0..31;
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+
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+
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+procedure ITM_SendData(Port: TITM_Port; Data: char); inline;
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+
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+implementation
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+
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+procedure ITM_SendData(Port: TITM_Port; Data: char);
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+begin
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+ if (((ITM.TCR and 1) <> 0) and ((ITM.TER and 1) <> 0)) then
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+ begin
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+ while (ITM.PORT[integer(Port)].u32 = 0) do ;
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+ ITM.PORT[integer(Port)].u8 := byte(Data);
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+ end;
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+end;
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+
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+end.
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