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pinebuds/services/cp_accel/cp_accel.c

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/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifdef CHIP_HAS_CP
#include "cp_accel.h"
#include "app_utils.h"
#include "cmsis.h"
#include "cmsis_os.h"
#include "hal_cmu.h"
#include "hal_location.h"
#include "hal_mcu2cp.h"
#include "hal_memsc.h"
#include "hal_timer.h"
#include "hal_trace.h"
#include "mpu.h"
#include "stdarg.h"
#include "string.h"
#include "system_cp.h"
#ifdef CP_ACCEL_DEBUG
#define CP_ACCEL_TRACE(s, ...) TRACE(s, ##__VA_ARGS__)
#else
#define CP_ACCEL_TRACE(s, ...)
#endif
#define CP_NO_FLASH_ACCESS
#define CP_CRASH_START_TIMEOUT MS_TO_TICKS(100)
#define CP_TRACE_FLUSH_TIMEOUT MS_TO_TICKS(200)
#define CP_CRASH_DUMP_TIMEOUT MS_TO_TICKS(500)
#define CP_TRACE_BUF_FULL_INTVL MS_TO_TICKS(50)
enum CP_SYS_EVENT_T {
CP_SYS_EVENT_NONE = 0,
CP_SYS_EVENT_CRASH_START,
CP_SYS_EVENT_CRASH_END,
CP_SYS_EVENT_TRACE_FLUSH,
CP_SYS_EVENT_TRACE_BUF_FULL,
};
static bool ram_inited;
static bool cp_accel_inited = false;
static struct cp_task_env_tag cp_task_env;
static CP_BSS_LOC volatile struct cp_env_tag cp_env;
static CP_BSS_LOC volatile enum CP_SYS_EVENT_T cp_sys_evt;
static CP_BSS_LOC bool cp_in_crash;
static CP_BSS_LOC volatile uint8_t cp_in_sleep;
static CP_BSS_LOC uint32_t cp_buf_full_time;
static CP_BSS_LOC uint8_t req_event = 0, pending_event = 0;
static CP_TEXT_SRAM_LOC int send_sys_ctrl_cp2mcu(uint32_t event) {
return hal_mcu2cp_send_cp(HAL_MCU2CP_ID_1, HAL_MCU2CP_MSG_TYPE_0,
(unsigned char *)event, 0);
}
static CP_TEXT_SRAM_LOC void
cp_trace_crash_notify(enum HAL_TRACE_STATE_T state) {
uint32_t time;
if (state == HAL_TRACE_STATE_CRASH_ASSERT_START ||
state == HAL_TRACE_STATE_CRASH_FAULT_START) {
cp_in_crash = true;
cp_sys_evt = CP_SYS_EVENT_CRASH_START;
mpu_close();
send_sys_ctrl_cp2mcu(0);
time = hal_sys_timer_get();
while (cp_sys_evt == CP_SYS_EVENT_CRASH_START &&
hal_sys_timer_get() - time < CP_CRASH_START_TIMEOUT)
;
} else {
cp_sys_evt = CP_SYS_EVENT_CRASH_END;
}
}
static CP_TEXT_SRAM_LOC void
cp_trace_buffer_ctrl(enum HAL_TRACE_BUF_STATE_T buf_state) {
uint32_t time;
if (cp_sys_evt != CP_SYS_EVENT_NONE) {
return;
}
time = hal_sys_timer_get();
if (buf_state == HAL_TRACE_BUF_STATE_FLUSH) {
cp_sys_evt = CP_SYS_EVENT_TRACE_FLUSH;
if (!cp_in_crash) {
send_sys_ctrl_cp2mcu(0);
}
while (cp_sys_evt == CP_SYS_EVENT_TRACE_FLUSH &&
hal_sys_timer_get() - time < CP_TRACE_FLUSH_TIMEOUT)
;
} else if (buf_state == HAL_TRACE_BUF_STATE_FULL ||
buf_state == HAL_TRACE_BUF_STATE_NEAR_FULL) {
if (time - cp_buf_full_time >= CP_TRACE_BUF_FULL_INTVL) {
cp_buf_full_time = time;
if (!cp_in_crash) {
cp_sys_evt = CP_SYS_EVENT_TRACE_BUF_FULL;
send_sys_ctrl_cp2mcu(0);
}
}
}
}
static SRAM_TEXT_LOC unsigned int cp2mcu_sys_arrived(const unsigned char *data,
unsigned int len) {
uint32_t time;
uint8_t task_id = 0;
if (cp_sys_evt == CP_SYS_EVENT_TRACE_FLUSH) {
TRACE_FLUSH();
cp_sys_evt = CP_SYS_EVENT_NONE;
} else if (cp_sys_evt == CP_SYS_EVENT_TRACE_BUF_FULL) {
TRACE(0, " ");
cp_sys_evt = CP_SYS_EVENT_NONE;
} else if (cp_sys_evt == CP_SYS_EVENT_CRASH_START) {
cp_sys_evt = CP_SYS_EVENT_NONE;
TRACE(0, " ");
TRACE(0, "CP Crash starts ...");
UNLOCK_CP_PROCESS(); // Forced release lock
// Wait CP crash dump finishes in interrupt context
time = hal_sys_timer_get();
while (cp_sys_evt != CP_SYS_EVENT_CRASH_END &&
hal_sys_timer_get() - time < CP_CRASH_DUMP_TIMEOUT) {
if (cp_sys_evt == CP_SYS_EVENT_TRACE_FLUSH) {
TRACE_FLUSH();
cp_sys_evt = CP_SYS_EVENT_NONE;
}
}
for (task_id = 0; task_id < CP_TASK_MAX; task_id++) {
if (cp_task_env.p_desc[task_id].mcu_sys_ctrl_hdlr) {
cp_task_env.p_desc[task_id].mcu_sys_ctrl_hdlr(CP_SYS_EVENT_CRASH_END);
}
}
TRACE(0, "CP Crash ends ...");
TRACE(0, " ");
}
return len;
}
static CP_TEXT_SRAM_LOC unsigned int
mcu2cp_msg_arrived(const unsigned char *data, unsigned int len) {
uint8_t task_id = CP_TASK_ID_GET(*data);
uint8_t event_type = CP_EVENT_GET(*data);
cp_env.cp_msg[task_id][event_type] = 1;
cp_env.cp_msg_recv = true;
if (cp_task_env.p_desc[task_id].cp_evt_hdlr) {
cp_task_env.p_desc[task_id].cp_evt_hdlr((uint32_t)data);
}
return len;
}
static CP_TEXT_SRAM_LOC void mcu2cp_msg_sent(const unsigned char *data,
unsigned int len) {
// TRACE(1, "mcu2cp_msg_sent,pending count = %d", cp_env.mcu2cp_tx_count);
if (cp_env.mcu2cp_tx_count > 1) {
cp_env.mcu2cp_tx_count--;
pending_event = cp_env.mcu2cp_tx_pending[0];
hal_mcu2cp_send_mcu(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0, &pending_event,
1);
for (uint8_t index = 0; index < cp_env.mcu2cp_tx_count - 1; index++) {
cp_env.mcu2cp_tx_pending[index] = cp_env.mcu2cp_tx_pending[index + 1];
}
} else {
cp_env.mcu2cp_tx_count = 0;
}
}
#if defined(__ARM_ARCH_8M_MAIN__)
#define CP_CODE_MAP_BASE (ROM_BASE + 0x800)
#define CP_CODE_MAP_SIZE (RAMX_BASE + RAM_TOTAL_SIZE - CP_CODE_MAP_BASE)
static CP_DATA_LOC const mpu_regions_t mpu_table_cp[] = {
{CP_CODE_MAP_BASE, CP_CODE_MAP_SIZE, MPU_ATTR_EXEC, MAIR_ATTR_INT_SRAM},
{RAM_BASE, RAM_TOTAL_SIZE, MPU_ATTR_READ_WRITE, MAIR_ATTR_INT_SRAM},
{CMU_BASE, 0x01000000, MPU_ATTR_READ_WRITE, MAIR_ATTR_DEVICE},
};
#else
static CP_DATA_LOC const mpu_regions_t mpu_table_cp[] = {
{0, 0x800, MPU_ATTR_NO_ACCESS},
{FLASHX_BASE, 0x4000000, MPU_ATTR_NO_ACCESS},
{FLASH_BASE, 0x4000000, MPU_ATTR_NO_ACCESS},
{FLASH_NC_BASE, 0x4000000, MPU_ATTR_NO_ACCESS},
};
#endif
static CP_TEXT_SRAM_LOC NOINLINE void accel_loop(void) {
uint32_t lock;
uint8_t task_index = 0, event_index = 0;
bool msg_flag = false;
uint8_t msg[CP_TASK_MAX][CP_EVENT_MAX];
mpu_setup_cp(mpu_table_cp, ARRAY_SIZE(mpu_table_cp));
while (1) {
lock = int_lock_global();
msg_flag = cp_env.cp_msg_recv;
cp_env.cp_msg_recv = false;
memcpy(msg, (uint8_t *)cp_env.cp_msg, sizeof(cp_env.cp_msg));
memset((uint8_t *)cp_env.cp_msg, 0, sizeof(cp_env.cp_msg));
if (false == msg_flag) {
cp_in_sleep = true;
__WFI();
cp_in_sleep = false;
}
int_unlock_global(lock);
if (msg_flag) {
for (task_index = 0; task_index < CP_TASK_MAX; task_index++) {
for (event_index = 0; event_index < CP_EVENT_MAX; event_index++) {
LOCK_CP_PROCESS();
if ((msg[task_index][event_index]) &&
(cp_task_env.p_desc[task_index].cp_work_main)) {
cp_task_env.p_desc[task_index].cp_work_main(event_index);
}
UNLOCK_CP_PROCESS();
}
}
}
}
}
static void accel_main(void) {
system_cp_init(!ram_inited);
TRACE(1, "%s", __func__);
ram_inited = true;
memset((uint8_t *)&cp_env, 0, sizeof(cp_env));
hal_trace_open_cp();
hal_mcu2cp_open_cp(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0, mcu2cp_msg_arrived,
NULL, false);
hal_mcu2cp_open_cp(HAL_MCU2CP_ID_1, HAL_MCU2CP_MSG_TYPE_0, NULL, NULL, false);
hal_mcu2cp_start_recv_cp(HAL_MCU2CP_ID_0);
// hal_mcu2cp_start_recv_cp(HAL_MCU2CP_ID_1);
cp_accel_inited = true;
accel_loop();
}
static SRAM_TEXT_LOC unsigned int cp2mcu_msg_arrived(const unsigned char *data,
unsigned int len) {
uint8_t task_id = CP_TASK_ID_GET((uint32_t)data);
// TRACE(2, "%s, task_id = %d", __func__, task_id);
if (task_id >= CP_TASK_MAX) {
return -1;
}
if (cp_task_env.p_desc[task_id].mcu_evt_hdlr) {
cp_task_env.p_desc[task_id].mcu_evt_hdlr((uint32_t)data);
}
return len;
}
int cp_accel_open(enum CP_TASK_TYPE task_id,
struct cp_task_desc const *p_task_desc) {
TRACE(4, "%s, task id = %d, cp_state = %d init %d", __func__, task_id,
cp_task_env.p_desc[task_id].cp_accel_state, cp_accel_inited);
if ((task_id >= CP_TASK_MAX) || (p_task_desc == NULL)) {
TRACE(1, "%s task id error", __func__);
return -1;
}
if (cp_task_env.p_desc[task_id].cp_accel_state != CP_ACCEL_STATE_CLOSED) {
TRACE(1, "%s cp_accel_state error", __func__);
return -1;
}
cp_task_env.p_desc[task_id].cp_accel_state = CP_ACCEL_STATE_OPENING;
cp_task_env.p_desc[task_id].cp_work_main = p_task_desc->cp_work_main;
cp_task_env.p_desc[task_id].cp_evt_hdlr = p_task_desc->cp_evt_hdlr;
cp_task_env.p_desc[task_id].mcu_evt_hdlr = p_task_desc->mcu_evt_hdlr;
cp_task_env.p_desc[task_id].mcu_sys_ctrl_hdlr =
p_task_desc->mcu_sys_ctrl_hdlr;
if (false == cp_accel_inited) {
hal_trace_cp_register(cp_trace_crash_notify, cp_trace_buffer_ctrl);
hal_cmu_cp_enable(RAMCP_BASE + RAMCP_SIZE, (uint32_t)accel_main);
hal_mcu2cp_open_mcu(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0,
cp2mcu_msg_arrived, mcu2cp_msg_sent, false);
hal_mcu2cp_open_mcu(HAL_MCU2CP_ID_1, HAL_MCU2CP_MSG_TYPE_0,
cp2mcu_sys_arrived, NULL, false);
hal_mcu2cp_start_recv_mcu(HAL_MCU2CP_ID_0);
hal_mcu2cp_start_recv_mcu(HAL_MCU2CP_ID_1);
}
cp_task_env.p_desc[task_id].cp_accel_state = CP_ACCEL_STATE_OPENED;
return 0;
}
int cp_accel_close(enum CP_TASK_TYPE task_id) {
uint8_t i = 0;
TRACE(4, "%s, task id = %d, cp_state = %d init %d", __func__, task_id,
cp_task_env.p_desc[task_id].cp_accel_state, cp_accel_inited);
LOCK_CP_PROCESS(); // avoid hangup
if (cp_task_env.p_desc[task_id].cp_accel_state == CP_ACCEL_STATE_CLOSED) {
goto accel_close_end;
}
cp_task_env.p_desc[task_id].cp_accel_state = CP_ACCEL_STATE_CLOSING;
cp_task_env.p_desc[task_id].cp_work_main = NULL;
cp_task_env.p_desc[task_id].cp_evt_hdlr = NULL;
cp_task_env.p_desc[task_id].mcu_evt_hdlr = NULL;
for (i = 0; i < CP_TASK_MAX; i++) {
if (cp_task_env.p_desc[i].cp_accel_state == CP_ACCEL_STATE_OPENED ||
cp_task_env.p_desc[i].cp_accel_state == CP_ACCEL_STATE_OPENING) {
goto accel_close_end;
}
}
if (cp_accel_inited) {
cp_accel_inited = false;
hal_mcu2cp_close_mcu(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0);
hal_mcu2cp_close_mcu(HAL_MCU2CP_ID_1, HAL_MCU2CP_MSG_TYPE_0);
hal_cmu_cp_disable();
system_cp_term();
hal_mcu2cp_close_cp(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0);
hal_mcu2cp_close_cp(HAL_MCU2CP_ID_1, HAL_MCU2CP_MSG_TYPE_0);
hal_trace_cp_register(NULL, NULL);
}
accel_close_end:
cp_task_env.p_desc[task_id].cp_accel_state = CP_ACCEL_STATE_CLOSED;
UNLOCK_CP_PROCESS();
return 0;
}
int SRAM_TEXT_LOC cp_accel_init_done(void) {
// TRACE(2, "%s, cp_inited = %d", __func__, cp_accel_inited);
return cp_accel_inited;
}
int cp_accel_send_event_mcu2cp(uint8_t event) {
if ((false == cp_accel_inited) || (cp_env.mcu2cp_tx_count > MAX_CP_MSG_NUM)) {
TRACE(2, "send_evt error, cp_accel_inited = %d, event pending count = %d",
cp_accel_inited, cp_env.mcu2cp_tx_count);
TRACE(2, "send evt task_id = %d, event = %d", CP_TASK_ID_GET(event),
CP_EVENT_GET(event));
return -1;
}
// TRACE(1, "current CP tx count:%d", cp_env.mcu2cp_tx_count);
if (cp_env.mcu2cp_tx_count > 0) {
cp_env.mcu2cp_tx_pending[cp_env.mcu2cp_tx_count - 1] = event;
cp_env.mcu2cp_tx_count++;
} else {
req_event = event;
cp_env.mcu2cp_tx_count = 1;
hal_mcu2cp_send_mcu(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0, &req_event, 1);
}
return 0;
}
int CP_TEXT_SRAM_LOC cp_accel_send_event_cp2mcu(uint8_t event) {
return hal_mcu2cp_send_cp(HAL_MCU2CP_ID_0, HAL_MCU2CP_MSG_TYPE_0,
(unsigned char *)(uint32_t)event, 0);
}
int SRAM_TEXT_LOC cp_accel_busy(enum CP_TASK_TYPE task_id) {
if (cp_task_env.p_desc[task_id].cp_accel_state != CP_ACCEL_STATE_CLOSED) {
if (cp_task_env.p_desc[task_id].cp_accel_state == CP_ACCEL_STATE_OPENED &&
cp_in_sleep && !hal_mcu2cp_local_irq_pending_cp(HAL_MCU2CP_ID_0)) {
return false;
}
return true;
}
return false;
}
#endif
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