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Merge branch 'refactor/esp_hw_support_cpu' into 'master'

Browse Source 
esp_hw_support: Add new esp_cpu.h abstraction

Closes IDF-4769

See merge request espressif/esp-idf!17091
This commit is contained in:
Darian
2022-06-14 21:11:30 +08:00
parent b20aa0612b a8a3756b38
commit e213e66ba3
92 changed files with 2637 additions and 3804 deletions
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221
components/hal/esp32s2/include/hal/cpu_ll.h
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/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
#include "esp_attr.h"
#include "soc/soc_caps.h"
#include "xt_instr_macros.h"
#include "xtensa/config/specreg.h"
#include "xtensa/config/extreg.h"
#include "esp_bit_defs.h"
#include "xtensa/config/core.h"
#include "xtensa/xtruntime.h"
#ifdef __cplusplus
extern "C" {
#endif
static inline uint32_t IRAM_ATTR cpu_ll_get_core_id(void)
{
return 0;
}
static inline uint32_t IRAM_ATTR cpu_ll_get_cycle_count(void)
{
uint32_t result;
RSR(CCOUNT, result);
return result;
}
static inline void IRAM_ATTR cpu_ll_set_cycle_count(uint32_t val)
{
WSR(CCOUNT, val);
}
static inline void* cpu_ll_get_sp(void)
{
void *sp;
asm volatile ("mov %0, sp;" : "=r" (sp));
return sp;
}
static inline void cpu_ll_init_hwloop(void)
{
#if XCHAL_ERRATUM_572
uint32_t memctl = XCHAL_CACHE_MEMCTL_DEFAULT;
WSR(MEMCTL, memctl);
#endif // XCHAL_ERRATUM_572
}
static inline void cpu_ll_set_breakpoint(int id, uint32_t pc)
{
uint32_t en;
// Set the break address register to the appropriate PC
if (id) {
WSR(IBREAKA_1, pc);
} else {
WSR(IBREAKA_0, pc);
}
// Enable the breakpoint using the break enable register
RSR(IBREAKENABLE, en);
en |= BIT(id);
WSR(IBREAKENABLE, en);
}
static inline void cpu_ll_clear_breakpoint(int id)
{
uint32_t en = 0;
uint32_t pc = 0;
// Set the break address register to the appropriate PC
if (id) {
WSR(IBREAKA_1, pc);
} else {
WSR(IBREAKA_0, pc);
}
// Enable the breakpoint using the break enable register
RSR(IBREAKENABLE, en);
en &= ~BIT(id);
WSR(IBREAKENABLE, en);
}
static inline uint32_t cpu_ll_ptr_to_pc(const void* addr)
{
return ((uint32_t) addr);
}
static inline void* cpu_ll_pc_to_ptr(uint32_t pc)
{
return (void*) ((pc & 0x3fffffffU) | 0x40000000U);
}
static inline void cpu_ll_set_watchpoint(int id,
const void* addr,
size_t size,
bool on_read,
bool on_write)
{
uint32_t dbreakc = 0x3F;
//We support watching 2^n byte values, from 1 to 64. Calculate the mask for that.
for (int x = 0; x < 7; x++) {
if (size == (size_t)(1U << x)) {
break;
}
dbreakc <<= 1;
}
dbreakc = (dbreakc & 0x3F);
if (on_read) {
dbreakc |= BIT(30);
}
if (on_write) {
dbreakc |= BIT(31);
}
// Write the break address register and the size to control
// register.
if (id) {
WSR(DBREAKA_1, (uint32_t) addr);
WSR(DBREAKC_1, dbreakc);
} else {
WSR(DBREAKA_0, (uint32_t) addr);
WSR(DBREAKC_0, dbreakc);
}
}
static inline void cpu_ll_clear_watchpoint(int id)
{
// Clear both break address register and control register
if (id) {
WSR(DBREAKA_1, 0);
WSR(DBREAKC_1, 0);
} else {
WSR(DBREAKA_0, 0);
WSR(DBREAKC_0, 0);
}
}
static inline bool cpu_ll_is_debugger_attached(void)
{
uint32_t dcr = 0;
uint32_t reg = DSRSET;
RER(reg, dcr);
return (dcr & 0x1);
}
static inline void cpu_ll_break(void)
{
__asm__ ("break 1,15");
}
static inline void cpu_ll_set_vecbase(const void* vecbase)
{
asm volatile ("wsr %0, vecbase" :: "r" (vecbase));
}
static inline uint32_t cpu_ll_read_dedic_gpio_in(void)
{
uint32_t value = 0;
asm volatile("get_gpio_in %0" : "=r"(value) : :);
return value;
}
static inline uint32_t cpu_ll_read_dedic_gpio_out(void)
{
uint32_t value = 0;
asm volatile("rur.gpio_out %0" : "=r"(value) : :);
return value;
}
static inline void cpu_ll_write_dedic_gpio_all(uint32_t value)
{
asm volatile("wur.gpio_out %0"::"r"(value):);
}
static inline void cpu_ll_write_dedic_gpio_mask(uint32_t mask, uint32_t value)
{
asm volatile("wr_mask_gpio_out %0, %1" : : "r"(value), "r"(mask):);
}
static inline void cpu_ll_waiti(void)
{
asm volatile ("waiti 0\n");
}
static inline void cpu_ll_compare_and_set_native(volatile uint32_t *addr, uint32_t compare, uint32_t *set)
{
uint32_t old_value;
// No S32C1I, so do this by disabling and re-enabling interrupts (slower)
uint32_t intlevel;
__asm__ __volatile__ ("rsil %0, " XTSTR(XCHAL_EXCM_LEVEL) "\n"
: "=r"(intlevel));
old_value = *addr;
if (old_value == compare) {
*addr = *set;
}
__asm__ __volatile__ ("memw \n"
"wsr %0, ps\n"
:: "r"(intlevel));
*set = old_value;
}
#ifdef __cplusplus
}
#endif

41
components/hal/esp32s2/include/hal/dedic_gpio_cpu_ll.h Normal file
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/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
static inline uint32_t dedic_gpio_cpu_ll_read_in(void)
{
uint32_t value = 0;
asm volatile("get_gpio_in %0" : "=r"(value) : :);
return value;
}
static inline uint32_t dedic_gpio_cpu_ll_read_out(void)
{
uint32_t value = 0;
asm volatile("rur.gpio_out %0" : "=r"(value) : :);
return value;
}
static inline void dedic_gpio_cpu_ll_write_all(uint32_t value)
{
asm volatile("wur.gpio_out %0"::"r"(value):);
}
static inline void dedic_gpio_cpu_ll_write_mask(uint32_t mask, uint32_t value)
{
asm volatile("wr_mask_gpio_out %0, %1" : : "r"(value), "r"(mask):);
}
#ifdef __cplusplus
}
#endif

107
components/hal/esp32s2/include/hal/interrupt_controller_ll.h
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// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <stdint.h>
#include "soc/soc_caps.h"
#include "soc/soc.h"
#include "xtensa/xtensa_api.h"
#include "xtensa/config/specreg.h"
#include "xt_instr_macros.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief enable interrupts specified by the mask
*
* @param mask bitmask of interrupts that needs to be enabled
*/
static inline void intr_cntrl_ll_enable_interrupts(uint32_t mask)
{
xt_ints_on(mask);
}
/**
* @brief disable interrupts specified by the mask
*
* @param mask bitmask of interrupts that needs to be disabled
*/
static inline void intr_cntrl_ll_disable_interrupts(uint32_t mask)
{
xt_ints_off(mask);
}
/**
* @brief Read the current interrupt mask of the CPU running this code.
*
* @return The current interrupt bitmask.
*/
static inline uint32_t intr_cntrl_ll_read_interrupt_mask(void)
{
uint32_t int_mask;
RSR(INTENABLE, int_mask);
return int_mask;
}
/**
* @brief checks if given interrupt number has a valid handler
*
* @param intr interrupt number ranged from 0 to 31
* @param cpu cpu number ranged betweeen 0 to SOC_CPU_CORES_NUM - 1
* @return true for valid handler, false otherwise
*/
static inline bool intr_cntrl_ll_has_handler(uint8_t intr, uint8_t cpu)
{
return xt_int_has_handler(intr, cpu);
}
/**
* @brief sets interrupt handler and optional argument of a given interrupt number
*
* @param intr interrupt number ranged from 0 to 31
* @param handler handler invoked when an interrupt occurs
* @param arg optional argument to pass to the handler
*/
static inline void intr_cntrl_ll_set_int_handler(uint8_t intr, interrupt_handler_t handler, void *arg)
{
xt_set_interrupt_handler(intr, (xt_handler)handler, arg);
}
/**
* @brief Gets argument passed to handler of a given interrupt number
*
* @param intr interrupt number ranged from 0 to 31
*
* @return argument used by handler of passed interrupt number
*/
static inline void *intr_cntrl_ll_get_int_handler_arg(uint8_t intr)
{
return xt_get_interrupt_handler_arg(intr);
}
/**
* @brief Acknowledge an edge-trigger interrupt by clearing its pending flag
*
* @param intr interrupt number ranged from 0 to 31
*/
static inline void intr_cntrl_ll_edge_int_acknowledge (int intr)
{
xthal_set_intclear(1 << intr);
}
#ifdef __cplusplus
}
#endif

32
components/hal/esp32s2/include/hal/soc_ll.h
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// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
#include "soc/soc_caps.h"
#include "soc/rtc.h"
#ifdef __cplusplus
extern "C" {
#endif
static inline void soc_ll_reset_core(int core)
{
SET_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, RTC_CNTL_SW_PROCPU_RST_M);
}
#ifdef __cplusplus
}
#endif