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https://github.com/trezor/trezor-firmware.git
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style(core): style for systemview
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@ -51,7 +51,6 @@
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#include "supervise.h"
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#include "touch.h"
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int main(void) {
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// initialize pseudo-random number generator
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drbg_init();
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@ -1,95 +1,97 @@
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#ifdef SYSTEM_VIEW
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#include <stdint.h>
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#include "systemview.h"
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#include <stdint.h>
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#include "SEGGER_SYSVIEW_Conf.h"
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#include "SEGGER_SYSVIEW.h"
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#include "SEGGER_SYSVIEW_Conf.h"
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#define SYSTICK ((SYSTICK_REGS*)0xE000E010)
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#define SCS ((SCS_REGS*)0xE000ED00)
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#define SCS ((SCS_REGS*)0xE000ED00)
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// for storing DWT CYCCNT from SVC call
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volatile uint32_t cyccnt_cycles;
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typedef struct {
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volatile unsigned int CSR;
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volatile unsigned int RVR;
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volatile unsigned int CVR;
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volatile unsigned int CALIB;
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volatile unsigned int CSR;
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volatile unsigned int RVR;
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volatile unsigned int CVR;
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volatile unsigned int CALIB;
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} SYSTICK_REGS;
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typedef struct {
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volatile unsigned int CPUID; // CPUID Base Register
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volatile unsigned int ICSR; // Interrupt Control and State Register
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volatile unsigned int VTOR; // Vector Table Offset Register
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volatile unsigned int AIRCR; // Application Interrupt and Reset Control Register
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volatile unsigned int SCR; // System Control Register
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volatile unsigned int CCR; // Configuration and Control Register
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volatile unsigned int SHPR1; // System Handler Priority Register 1
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volatile unsigned int SHPR2; // System Handler Priority Register 2
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volatile unsigned int SHPR3; // System Handler Priority Register 3
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volatile unsigned int SHCSR; // System Handler Control and State Register
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volatile unsigned int CFSR; // Configurable Fault Status Register
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volatile unsigned int HFSR; // HardFault Status Register
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volatile unsigned int DFSR; // Debug Fault Status Register
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volatile unsigned int MMFAR; // MemManage Fault Address Register
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volatile unsigned int BFAR; // BusFault Address Register
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volatile unsigned int AFSR; // Auxiliary Fault Status Register
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volatile unsigned int aDummy0[4]; // 0x40-0x4C Reserved
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volatile unsigned int aDummy1[4]; // 0x50-0x5C Reserved
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volatile unsigned int aDummy2[4]; // 0x60-0x6C Reserved
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volatile unsigned int aDummy3[4]; // 0x70-0x7C Reserved
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volatile unsigned int aDummy4[2]; // 0x80-0x87 - - - Reserved.
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volatile unsigned int CPACR; // Coprocessor Access Control Register
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volatile unsigned int CPUID; // CPUID Base Register
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volatile unsigned int ICSR; // Interrupt Control and State Register
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volatile unsigned int VTOR; // Vector Table Offset Register
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volatile unsigned int
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AIRCR; // Application Interrupt and Reset Control Register
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volatile unsigned int SCR; // System Control Register
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volatile unsigned int CCR; // Configuration and Control Register
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volatile unsigned int SHPR1; // System Handler Priority Register 1
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volatile unsigned int SHPR2; // System Handler Priority Register 2
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volatile unsigned int SHPR3; // System Handler Priority Register 3
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volatile unsigned int SHCSR; // System Handler Control and State Register
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volatile unsigned int CFSR; // Configurable Fault Status Register
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volatile unsigned int HFSR; // HardFault Status Register
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volatile unsigned int DFSR; // Debug Fault Status Register
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volatile unsigned int MMFAR; // MemManage Fault Address Register
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volatile unsigned int BFAR; // BusFault Address Register
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volatile unsigned int AFSR; // Auxiliary Fault Status Register
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volatile unsigned int aDummy0[4]; // 0x40-0x4C Reserved
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volatile unsigned int aDummy1[4]; // 0x50-0x5C Reserved
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volatile unsigned int aDummy2[4]; // 0x60-0x6C Reserved
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volatile unsigned int aDummy3[4]; // 0x70-0x7C Reserved
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volatile unsigned int aDummy4[2]; // 0x80-0x87 - - - Reserved.
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volatile unsigned int CPACR; // Coprocessor Access Control Register
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} SCS_REGS;
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extern uint32_t SystemCoreClock;
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static inline uint32_t is_mode_unprivileged(void) {
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uint32_t r0;
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__asm__ volatile("mrs %0, control" : "=r"(r0));
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return r0 & 1;
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uint32_t r0;
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__asm__ volatile("mrs %0, control" : "=r"(r0));
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return r0 & 1;
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}
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uint32_t svc_get_dwt_cyccnt() {
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if (is_mode_unprivileged()) {
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__asm__ __volatile__("svc %0" ::"i"(SVC_GET_DWT_CYCCNT));
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} else {
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cyccnt_cycles = *DWT_CYCCNT_ADDR;
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}
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return cyccnt_cycles;
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if (is_mode_unprivileged()) {
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__asm__ __volatile__("svc %0" ::"i"(SVC_GET_DWT_CYCCNT));
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} else {
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cyccnt_cycles = *DWT_CYCCNT_ADDR;
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}
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return cyccnt_cycles;
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}
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U32 SEGGER_SYSVIEW_X_GetInterruptId()
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{
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return ((*(U32*)(0xE000ED04)) & 0x1FF);
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U32 SEGGER_SYSVIEW_X_GetInterruptId() {
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return ((*(U32*)(0xE000ED04)) & 0x1FF);
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}
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void enable_systemview() {
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SEGGER_SYSVIEW_Conf();
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SEGGER_SYSVIEW_Start();
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U32 v;
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//
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// Configure SysTick and debug monitor interrupt priorities
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// Low value means high priority
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// A maximum of 8 priority bits and a minimum of 3 bits is implemented per interrupt.
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// How many bits are implemented depends on the actual CPU being used
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// If less than 8 bits are supported, the lower bits of the priority byte are RAZ.
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// In order to make sure that priority of monitor and SysTick always differ, please make sure that the difference is visible in the highest 3 bits
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v = SCS->SHPR3;
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v |= (0xFFuL << 24); // Lowest prio for SysTick so SystemView does not get interrupted by Systick
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SCS->SHPR3 = v;
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//
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// Configure SysTick interrupt
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// SysTick is running at CPU speed
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// Configure SysTick to fire every ms
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//
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SYSTICK->RVR = (SystemCoreClock / 1000) - 1; // set reload
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SYSTICK->CVR = 0x00; // set counter
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SYSTICK->CSR = 0x07; // enable systick
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SEGGER_SYSVIEW_Conf();
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SEGGER_SYSVIEW_Start();
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U32 v;
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//
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// Configure SysTick and debug monitor interrupt priorities
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// Low value means high priority
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// A maximum of 8 priority bits and a minimum of 3 bits is implemented per
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// interrupt. How many bits are implemented depends on the actual CPU being
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// used If less than 8 bits are supported, the lower bits of the priority byte
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// are RAZ. In order to make sure that priority of monitor and SysTick always
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// differ, please make sure that the difference is visible in the highest 3
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// bits
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v = SCS->SHPR3;
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v |= (0xFFuL << 24); // Lowest prio for SysTick so SystemView does not get
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// interrupted by Systick
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SCS->SHPR3 = v;
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//
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// Configure SysTick interrupt
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// SysTick is running at CPU speed
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// Configure SysTick to fire every ms
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//
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SYSTICK->RVR = (SystemCoreClock / 1000) - 1; // set reload
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SYSTICK->CVR = 0x00; // set counter
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SYSTICK->CSR = 0x07; // enable systick
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}
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#endif
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@ -20,4 +20,4 @@ uint32_t svc_get_dwt_cyccnt();
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#define SEGGER_SYSVIEW_RecordExitISR()
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#endif
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#endif //CORE_SYSTEMVIEW_H
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#endif // CORE_SYSTEMVIEW_H
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@ -13,3 +13,4 @@
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^\./crypto/sha2
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^\./crypto/sha3
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^\./legacy/vendor
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^\./core/embed/segger
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