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feat(core): send messaged through systemview

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This commit is contained in:
Ondrej Mikle 2020-12-07 04:45:29 +01:00 committed by Pavol Rusnak
parent 60e4e06aa5
commit 5f837e12b9
5 changed files with 51 additions and 9 deletions
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6
core/embed/firmware/main.c
View File

@ -51,6 +51,7 @@
#include "supervise.h"
#include "touch.h"
int main(void) {
// initialize pseudo-random number generator
drbg_init();
@ -176,6 +177,11 @@ void SVC_C_Handler(uint32_t *stack) {
case SVC_SET_PRIORITY:
NVIC_SetPriority(stack[0], stack[1]);
break;
#ifdef SYSTEM_VIEW
case SVC_GET_DWT_CYCCNT:
cyccnt_cycles = *DWT_CYCCNT_ADDR;
break;
#endif
default:
stack[0] = 0xffffffff;
break;

14
core/embed/firmware/mphalport.c
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@ -20,6 +20,8 @@
#include "common.h"
#include "py/mphal.h"
#include "usb.h"
#include "systemview.h"
#include "string.h"
static int vcp_iface_num = -1;
@ -41,3 +43,15 @@ void mp_hal_stdout_tx_strn(const char *str, size_t len) {
}
void mp_hal_set_vcp_iface(int iface_num) { vcp_iface_num = iface_num; }
#ifdef SYSTEM_VIEW
int segger_print(const char* str, size_t len) {
static char str_copy[1024];
size_t copylen = len > 1023 ? 1023 : len;
memcpy(str_copy, str, copylen);
str_copy[copylen] = 0;
SEGGER_SYSVIEW_Print(str_copy);
return len;
}
#endif

24
core/embed/firmware/systemview.c
View File

@ -1,6 +1,7 @@
#ifdef SYSTEM_VIEW
#include <stdint.h>
#include "systemview.h"
#include "SEGGER_SYSVIEW_Conf.h"
#include "SEGGER_SYSVIEW.h"
@ -8,6 +9,9 @@
#define SYSTICK ((SYSTICK_REGS*)0xE000E010)
#define SCS ((SCS_REGS*)0xE000ED00)
// for storing DWT CYCCNT from SVC call
volatile uint32_t cyccnt_cycles;
typedef struct {
volatile unsigned int CSR;
volatile unsigned int RVR;
@ -42,17 +46,23 @@ typedef struct {
extern uint32_t SystemCoreClock;
U32 SEGGER_SYSVIEW_X_GetTimestamp ()
{
// static U32 i = 0;
// return i++;
return (*(U32 *)(0xE0001004));
static inline uint32_t is_mode_unprivileged(void) {
uint32_t r0;
__asm__ volatile("mrs %0, control" : "=r"(r0));
return r0 & 1;
}
uint32_t svc_get_dwt_cyccnt() {
if (is_mode_unprivileged()) {
__asm__ __volatile__("svc %0" ::"i"(SVC_GET_DWT_CYCCNT));
} else {
cyccnt_cycles = *DWT_CYCCNT_ADDR;
}
return cyccnt_cycles;
}
U32 SEGGER_SYSVIEW_X_GetInterruptId()
{
// static U32 i = 0;
// return (i++) % 200;
return ((*(U32*)(0xE000ED04)) & 0x1FF);
}

11
core/embed/firmware/systemview.h
View File

@ -4,13 +4,20 @@
#ifdef SYSTEM_VIEW
#include <stdint.h>
#include "SEGGER_SYSVIEW.h"
#define DWT_CYCCNT_ADDR ((uint32_t*)(0xE0001004));
#define SVC_GET_DWT_CYCCNT 3
extern volatile uint32_t cyccnt_cycles;
void enable_systemview();
uint32_t svc_get_dwt_cyccnt();
#else
#define SEGGER_SYSVIEW_RecordEnterISR() do {} while(0)
#define SEGGER_SYSVIEW_RecordExitISR() do {} while(0)
#define SEGGER_SYSVIEW_RecordEnterISR()
#define SEGGER_SYSVIEW_RecordExitISR()
#endif
#endif //CORE_SYSTEMVIEW_H

5
core/embed/trezorhal/usbd_conf.c
View File

@ -56,6 +56,7 @@
#include "usb.h"
#include "irq.h"
#include "supervise.h"
#include "systemview.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
@ -702,20 +703,24 @@ void USBD_LL_Delay(uint32_t Delay)
*/
#if defined(USE_USB_FS)
void OTG_FS_IRQHandler(void) {
SEGGER_SYSVIEW_RecordEnterISR();
IRQ_ENTER(OTG_FS_IRQn);
if (pcd_fs_handle.Instance) {
HAL_PCD_IRQHandler(&pcd_fs_handle);
}
IRQ_EXIT(OTG_FS_IRQn);
SEGGER_SYSVIEW_RecordExitISR();
}
#endif
#if defined(USE_USB_HS)
void OTG_HS_IRQHandler(void) {
SEGGER_SYSVIEW_RecordEnterISR();
IRQ_ENTER(OTG_HS_IRQn);
if (pcd_hs_handle.Instance) {
HAL_PCD_IRQHandler(&pcd_hs_handle);
}
IRQ_EXIT(OTG_HS_IRQn);
SEGGER_SYSVIEW_RecordExitISR();
}
#endif