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gdbstub: move to a separate component, support multiple targets

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Ivan Grokhotkov
2019-06-14 00:43:49 +08:00
parent 240192f9fa
commit 66e0b2f9df
16 changed files with 1023 additions and 576 deletions
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51
components/esp_gdbstub/esp32/gdbstub_esp32.c Normal file
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// Copyright 2015-2019 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.
#include "soc/uart_periph.h"
#include "soc/gpio_periph.h"
#include "esp_gdbstub_common.h"
#include "sdkconfig.h"
#define UART_NUM CONFIG_CONSOLE_UART_NUM
void esp_gdbstub_target_init()
{
}
int esp_gdbstub_getchar()
{
while (REG_GET_FIELD(UART_STATUS_REG(UART_NUM), UART_RXFIFO_CNT) == 0) {
;
}
return REG_READ(UART_FIFO_REG(UART_NUM));
}
void esp_gdbstub_putchar(int c)
{
while (REG_GET_FIELD(UART_STATUS_REG(UART_NUM), UART_TXFIFO_CNT) >= 126) {
;
}
REG_WRITE(UART_FIFO_REG(UART_NUM), c);
}
int esp_gdbstub_readmem(intptr_t addr)
{
if (addr < 0x20000000 || addr >= 0x80000000) {
/* see cpu_configure_region_protection */
return -1;
}
uint32_t val_aligned = *(uint32_t *)(addr & (~3));
uint32_t shift = (addr & 3) * 8;
return (val_aligned >> shift) & 0xff;
}

18
components/esp_gdbstub/esp32/gdbstub_target_config.h Normal file
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// Copyright 2019 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
/* Number of extra TIE defined registers, not listed in the XCHAL */
#define GDBSTUB_EXTRA_TIE_SIZE 0