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[SC64][SW] Added controller stack usage diagnostics

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This commit is contained in:
Mateusz Faderewski 2023-01-30 06:15:08 +01:00
parent 65baa521b4
commit 285d5d6a6f
7 changed files with 46 additions and 6 deletions
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1
docs/02_usb_commands.md
View File

@ -22,3 +22,4 @@
| `p` | **FLASH_WAIT_BUSY** | wait | --- | --- | erase_block_size | Wait until flash ready / get flash block erase size |
| `P` | **FLASH_ERASE_BLOCK** | address | --- | --- | --- | Start flash block erase |
| `?` | **DEBUG_GET** | --- | --- | --- | debug_data | Get internal FPGA debug info |
| `%` | **STACK_USAGE_GET** | --- | --- | --- | stack_usage | Get per task stack usage |

5
sw/controller/common.mk
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@ -31,16 +31,13 @@ $(BUILD_DIR)/$(EXE_NAME).elf: $(OBJS) $(LD_SCRIPT)
$(BUILD_DIR)/$(EXE_NAME).bin: $(BUILD_DIR)/$(EXE_NAME).elf
$(OBJCOPY) -O binary --gap-fill 0xFF $< $@
$(BUILD_DIR)/$(EXE_NAME).hex: $(BUILD_DIR)/$(EXE_NAME).bin
@$(OBJCOPY) -I binary -O ihex $< $@
print_size: $(BUILD_DIR)/$(EXE_NAME).elf
@echo 'Size of modules:'
@$(SIZE) -B -d -t --common $(OBJS)
@echo 'Size of $(EXE_NAME):'
@$(SIZE) -B -d $<
all: $(BUILD_DIR)/$(EXE_NAME).hex print_size
all: $(BUILD_DIR)/$(EXE_NAME).bin print_size
clean:
@rm -rf ./$(BUILD_DIR)/*

9
sw/controller/src/app.c
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@ -1,4 +1,4 @@
#include <stdint.h>
#include "app.h"
#include "cic.h"
#include "gvr.h"
#include "hw.h"
@ -19,6 +19,13 @@ uint8_t led_stack[LED_STACK_SIZE] __attribute__((aligned(8)));
uint8_t gvr_stack[GVR_STACK_SIZE] __attribute__((aligned(8)));
void app_get_stack_usage (uint32_t *usage) {
*usage++ = task_get_stack_usage(cic_stack, CIC_STACK_SIZE);
*usage++ = task_get_stack_usage(rtc_stack, RTC_STACK_SIZE);
*usage++ = task_get_stack_usage(led_stack, LED_STACK_SIZE);
*usage++ = task_get_stack_usage(gvr_stack, GVR_STACK_SIZE);
}
void app (void) {
hw_init();
cic_hw_init();

11
sw/controller/src/app.h Normal file
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@ -0,0 +1,11 @@
#ifndef APP_H__
#define APP_H__
#include <stdint.h>
void app_get_stack_usage (uint32_t *usage);
#endif

17
sw/controller/src/task.c
View File

@ -5,6 +5,7 @@
#define TASK_INITIAL_XPSR (0x21000000UL)
#define TASK_CONTEXT_SWITCH() { SCB->ICSR = (1 << SCB_ICSR_PENDSVSET_Pos); }
#define TASK_STACK_FILL_VALUE (0xDEADBEEF)
typedef enum {
@ -38,7 +39,9 @@ static void task_initialize (task_id_t id) {
*--sp = TASK_INITIAL_XPSR;
*--sp = task->initial_pc;
*--sp = ((uint32_t) (task_exit));
sp -= 13;
for (int i = 0; i < 13; i++) {
*--sp = 0;
}
task->sp = ((uint32_t) (sp));
}
@ -67,6 +70,9 @@ static uint32_t task_switch_context (uint32_t sp) {
void task_create (task_id_t id, void (*code)(void), void *stack, size_t stack_size) {
if (id < __TASK_ID_MAX) {
for (size_t i = 0; i < stack_size; i += sizeof(uint32_t)) {
(*(uint32_t *) (stack + i)) = TASK_STACK_FILL_VALUE;
}
task_t *task = &task_table[id];
task->initial_pc = (uint32_t) (code);
task->initial_sp = (((uint32_t) (stack)) + stack_size);
@ -90,6 +96,15 @@ void task_set_ready_and_reset (task_id_t id) {
TASK_CONTEXT_SWITCH();
}
size_t task_get_stack_usage (void *stack, size_t stack_size) {
for (size_t i = 0; i < stack_size; i += sizeof(uint32_t)) {
if ((*(uint32_t *) (stack + i)) != TASK_STACK_FILL_VALUE) {
return (stack_size - i);
}
}
return 0;
}
__attribute__((naked)) void task_scheduler_start (void) {
uint32_t sp = task_table[task_current].sp;

1
sw/controller/src/task.h
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@ -18,6 +18,7 @@ void task_create (task_id_t id, void (*code)(void), void *stack, size_t stack_si
void task_yield (void);
void task_set_ready (task_id_t id);
void task_set_ready_and_reset (task_id_t id);
size_t task_get_stack_usage (void *stack, size_t stack_size);
void task_scheduler_start (void);

8
sw/controller/src/usb.c
View File

@ -1,3 +1,4 @@
#include "app.h"
#include "cfg.h"
#include "cic.h"
#include "dd.h"
@ -295,6 +296,13 @@ static void usb_rx_process (void) {
p.response_info.data[1] = fpga_reg_get(REG_DEBUG_1);
break;
case '%':
p.rx_state = RX_STATE_IDLE;
p.response_pending = true;
p.response_info.data_length = 16;
app_get_stack_usage(p.response_info.data);
break;
default:
p.rx_state = RX_STATE_IDLE;
p.response_pending = true;