Files
dongheng 913188fdf3 feat(freertos): Simplify xtensa platform code
All normal ISRs are called by "_xt_isr_handler".
2019-04-16 19:49:06 +08:00

134 lines
2.6 KiB
C

// Copyright 2019-2020 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>
#ifdef __cplusplus
extern "C" {
#endif
#define ETS_INT_MASK 0x00003FFF
#define ESP_TICKS_MAX UINT32_MAX
typedef uint32_t esp_tick_t;
typedef uint32_t esp_irqflag_t;
static inline esp_tick_t soc_get_ticks(void)
{
esp_tick_t ticks;
__asm__ __volatile__(
"rsr %0, ccount\n"
: "=a"(ticks)
:
: "memory"
);
return ticks;
}
static inline esp_irqflag_t soc_save_local_irq(void)
{
esp_irqflag_t flag;
__asm__ __volatile__(
"rsil %0, 1\n"
: "=a"(flag)
:
: "memory"
);
return flag;
}
static inline void soc_restore_local_irq(esp_irqflag_t flag)
{
__asm__ __volatile__(
"wsr %0, ps\n"
:
: "a"(flag)
: "memory"
);
}
static inline void soc_set_ccompare(uint32_t ticks)
{
__asm__ __volatile__(
"wsr %0, ccompare0\n"
:
: "a"(ticks)
: "memory"
);
}
static inline uint32_t soc_get_ccompare(void)
{
uint32_t ticks;
__asm__ __volatile__(
"rsr %0, ccompare0\n"
: "=a"(ticks)
:
: "memory"
);
return ticks;
}
static inline uint32_t soc_get_ccount(void)
{
uint32_t ticks;
__asm__ __volatile__(
"rsr %0, ccount\n"
: "=a"(ticks)
:
: "memory"
);
return ticks;
}
static inline void soc_clear_int_mask(uint32_t mask)
{
__asm__ __volatile__(
"wsr %0, intclear\n"
:
: "a"(mask)
: "memory"
);
}
static inline uint32_t soc_get_int_mask(void)
{
uint32_t mask, enable;
__asm__ __volatile__(
"rsr %0, interrupt\n"
"rsr %1, intenable\n"
"rsync\n"
: "=a"(mask), "=a"(enable)
:
: "memory"
);
return mask & enable & ETS_INT_MASK;
}
#ifdef __cplusplus
}
#endif