794 lines
12 KiB
C
794 lines
12 KiB
C
/*
|
|
* Copyright (c) 2021 Intel Corporation.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/kernel.h>
|
|
#include <xtensa-asm2-context.h>
|
|
#include <zephyr/debug/gdbstub.h>
|
|
|
|
/*
|
|
* Address Mappings From ESP32 Technical Reference Manual Version 4.5
|
|
* https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_en.pdf
|
|
*/
|
|
const struct gdb_mem_region gdb_mem_region_array[] = {
|
|
{
|
|
/* External Memory (Data Bus) */
|
|
.start = 0x3F400000,
|
|
.end = 0x3FBFFFFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* Peripheral (Data Bus) */
|
|
.start = 0x3FF00000,
|
|
.end = 0x3FF7FFFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* RTC FAST Memory (Data Bus) */
|
|
.start = 0x3FF80000,
|
|
.end = 0x3FF81FFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* Internal ROM 1 (Data Bus) */
|
|
.start = 0x3FF90000,
|
|
.end = 0x3FF9FFFF,
|
|
.attributes = GDB_MEM_REGION_RO,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* Internal SRAM 1 and 2 (Data Bus) */
|
|
.start = 0x3FFAE000,
|
|
.end = 0x3FFFFFFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* Internal ROM 0 (Instruction Bus) */
|
|
.start = 0x40000000,
|
|
.end = 0x4005FFFF,
|
|
.attributes = GDB_MEM_REGION_RO,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* Internal SRAM 0 and 1 (Instruction Bus) */
|
|
.start = 0x40070000,
|
|
.end = 0x400BFFFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* RTC FAST Memory (Instruction Bus) */
|
|
.start = 0x400C0000,
|
|
.end = 0x400C1FFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* External Memory (Instruction Bus) */
|
|
.start = 0x400C2000,
|
|
.end = 0x400CFFFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/*
|
|
* Flash memory obtained via GDB memory map
|
|
* with ESP32's OpenOCD
|
|
*/
|
|
.start = 0x400D0000,
|
|
.end = 0x400D5FFF,
|
|
.attributes = GDB_MEM_REGION_RO,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* External Memory (Instruction Bus) */
|
|
.start = 0x400D6000,
|
|
.end = 0x40BFFFFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
{
|
|
/* RTC SLOW Memory (Data/Instruction Bus) */
|
|
.start = 0x50000000,
|
|
.end = 0x50001FFF,
|
|
.attributes = GDB_MEM_REGION_RW,
|
|
.alignment = 4,
|
|
},
|
|
};
|
|
|
|
const size_t gdb_mem_num_regions = ARRAY_SIZE(gdb_mem_region_array);
|
|
|
|
static struct xtensa_register gdb_reg_list[] = {
|
|
{
|
|
/* PC */
|
|
.idx = 0,
|
|
.regno = 0x0020,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 0,
|
|
.stack_offset = BSA_PC_OFF,
|
|
},
|
|
{
|
|
/* AR0 */
|
|
.idx = 1,
|
|
.regno = 0x100,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 4,
|
|
},
|
|
{
|
|
/* AR1 */
|
|
.idx = 2,
|
|
.regno = 0x101,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 8,
|
|
},
|
|
{
|
|
/* AR2 */
|
|
.idx = 3,
|
|
.regno = 0x102,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 12,
|
|
},
|
|
{
|
|
/* AR3 */
|
|
.idx = 4,
|
|
.regno = 0x103,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 16,
|
|
},
|
|
{
|
|
/* AR4 */
|
|
.idx = 5,
|
|
.regno = 0x104,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 20,
|
|
},
|
|
{
|
|
/* AR5 */
|
|
.idx = 6,
|
|
.regno = 0x105,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 24,
|
|
},
|
|
{
|
|
/* AR6 */
|
|
.idx = 7,
|
|
.regno = 0x106,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 28,
|
|
},
|
|
{
|
|
/* AR7 */
|
|
.idx = 8,
|
|
.regno = 0x107,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 32,
|
|
},
|
|
{
|
|
/* AR8 */
|
|
.idx = 9,
|
|
.regno = 0x108,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 36,
|
|
},
|
|
{
|
|
/* AR9 */
|
|
.idx = 10,
|
|
.regno = 0x109,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 40,
|
|
},
|
|
{
|
|
/* AR10 */
|
|
.idx = 11,
|
|
.regno = 0x10a,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 44,
|
|
},
|
|
{
|
|
/* AR11 */
|
|
.idx = 12,
|
|
.regno = 0x10b,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 48,
|
|
},
|
|
{
|
|
/* AR12 */
|
|
.idx = 13,
|
|
.regno = 0x10c,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 52,
|
|
},
|
|
{
|
|
/* AR13 */
|
|
.idx = 14,
|
|
.regno = 0x10d,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 56,
|
|
},
|
|
{
|
|
/* AR14 */
|
|
.idx = 15,
|
|
.regno = 0x10e,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 60,
|
|
},
|
|
{
|
|
/* AR15 */
|
|
.idx = 16,
|
|
.regno = 0x10f,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 64,
|
|
},
|
|
{
|
|
/* AR16 */
|
|
.idx = 17,
|
|
.regno = 0x110,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 68,
|
|
},
|
|
{
|
|
/* AR17 */
|
|
.idx = 18,
|
|
.regno = 0x111,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 72,
|
|
},
|
|
{
|
|
/* AR18 */
|
|
.idx = 19,
|
|
.regno = 0x112,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 76,
|
|
},
|
|
{
|
|
/* AR19 */
|
|
.idx = 20,
|
|
.regno = 0x113,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 80,
|
|
},
|
|
{
|
|
/* AR20 */
|
|
.idx = 21,
|
|
.regno = 0x114,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 84,
|
|
},
|
|
{
|
|
/* AR21 */
|
|
.idx = 22,
|
|
.regno = 0x115,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 88,
|
|
},
|
|
{
|
|
/* AR22 */
|
|
.idx = 23,
|
|
.regno = 0x116,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 92,
|
|
},
|
|
{
|
|
/* AR23 */
|
|
.idx = 24,
|
|
.regno = 0x117,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 96,
|
|
},
|
|
{
|
|
/* AR24 */
|
|
.idx = 25,
|
|
.regno = 0x118,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 100,
|
|
},
|
|
{
|
|
/* AR25 */
|
|
.idx = 26,
|
|
.regno = 0x119,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 104,
|
|
},
|
|
{
|
|
/* AR26 */
|
|
.idx = 27,
|
|
.regno = 0x11a,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 108,
|
|
},
|
|
{
|
|
/* AR27 */
|
|
.idx = 28,
|
|
.regno = 0x11b,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 112,
|
|
},
|
|
{
|
|
/* AR28 */
|
|
.idx = 29,
|
|
.regno = 0x11c,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 116,
|
|
},
|
|
{
|
|
/* AR29 */
|
|
.idx = 30,
|
|
.regno = 0x11d,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 120,
|
|
},
|
|
{
|
|
/* AR30 */
|
|
.idx = 31,
|
|
.regno = 0x11e,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 124,
|
|
},
|
|
{
|
|
/* AR31 */
|
|
.idx = 32,
|
|
.regno = 0x11f,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 128,
|
|
},
|
|
{
|
|
/* AR32 */
|
|
.idx = 33,
|
|
.regno = 0x120,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 132,
|
|
},
|
|
{
|
|
/* AR33 */
|
|
.idx = 34,
|
|
.regno = 0x121,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 136,
|
|
},
|
|
{
|
|
/* AR34 */
|
|
.idx = 35,
|
|
.regno = 0x122,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 140,
|
|
},
|
|
{
|
|
/* AR35 */
|
|
.idx = 36,
|
|
.regno = 0x123,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 144,
|
|
},
|
|
{
|
|
/* AR36 */
|
|
.idx = 37,
|
|
.regno = 0x124,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 148,
|
|
},
|
|
{
|
|
/* AR37 */
|
|
.idx = 38,
|
|
.regno = 0x125,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 152,
|
|
},
|
|
{
|
|
/* AR38 */
|
|
.idx = 39,
|
|
.regno = 0x126,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 156,
|
|
},
|
|
{
|
|
/* AR39 */
|
|
.idx = 40,
|
|
.regno = 0x127,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 160,
|
|
},
|
|
{
|
|
/* AR40 */
|
|
.idx = 41,
|
|
.regno = 0x128,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 164,
|
|
},
|
|
{
|
|
/* AR41 */
|
|
.idx = 42,
|
|
.regno = 0x129,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 168,
|
|
},
|
|
{
|
|
/* AR42 */
|
|
.idx = 43,
|
|
.regno = 0x12a,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 172,
|
|
},
|
|
{
|
|
/* AR43 */
|
|
.idx = 44,
|
|
.regno = 0x12b,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 176,
|
|
},
|
|
{
|
|
/* AR44 */
|
|
.idx = 45,
|
|
.regno = 0x12c,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 180,
|
|
},
|
|
{
|
|
/* AR45 */
|
|
.idx = 46,
|
|
.regno = 0x12d,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 184,
|
|
},
|
|
{
|
|
/* AR46 */
|
|
.idx = 47,
|
|
.regno = 0x12e,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 188,
|
|
},
|
|
{
|
|
/* AR47 */
|
|
.idx = 48,
|
|
.regno = 0x12f,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 192,
|
|
},
|
|
{
|
|
/* AR48 */
|
|
.idx = 49,
|
|
.regno = 0x130,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 196,
|
|
},
|
|
{
|
|
/* AR49 */
|
|
.idx = 50,
|
|
.regno = 0x131,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 200,
|
|
},
|
|
{
|
|
/* AR50 */
|
|
.idx = 51,
|
|
.regno = 0x132,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 204,
|
|
},
|
|
{
|
|
/* AR51 */
|
|
.idx = 52,
|
|
.regno = 0x133,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 208,
|
|
},
|
|
{
|
|
/* AR52 */
|
|
.idx = 53,
|
|
.regno = 0x134,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 212,
|
|
},
|
|
{
|
|
/* AR53 */
|
|
.idx = 54,
|
|
.regno = 0x135,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 216,
|
|
},
|
|
{
|
|
/* AR54 */
|
|
.idx = 55,
|
|
.regno = 0x136,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 220,
|
|
},
|
|
{
|
|
/* AR55 */
|
|
.idx = 56,
|
|
.regno = 0x137,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 224,
|
|
},
|
|
{
|
|
/* AR56 */
|
|
.idx = 57,
|
|
.regno = 0x138,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 228,
|
|
},
|
|
{
|
|
/* AR57 */
|
|
.idx = 58,
|
|
.regno = 0x139,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 232,
|
|
},
|
|
{
|
|
/* AR58 */
|
|
.idx = 59,
|
|
.regno = 0x13a,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 236,
|
|
},
|
|
{
|
|
/* AR59 */
|
|
.idx = 60,
|
|
.regno = 0x13b,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 240,
|
|
},
|
|
{
|
|
/* AR60 */
|
|
.idx = 61,
|
|
.regno = 0x13c,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 244,
|
|
},
|
|
{
|
|
/* AR61 */
|
|
.idx = 62,
|
|
.regno = 0x13d,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 248,
|
|
},
|
|
{
|
|
/* AR62 */
|
|
.idx = 63,
|
|
.regno = 0x13e,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 252,
|
|
},
|
|
{
|
|
/* AR63 */
|
|
.idx = 64,
|
|
.regno = 0x13f,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 256,
|
|
},
|
|
{
|
|
/* LBEG */
|
|
.idx = 65,
|
|
.regno = 0x0200,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 260,
|
|
.stack_offset = BSA_LBEG_OFF,
|
|
},
|
|
{
|
|
/* LEND */
|
|
.idx = 66,
|
|
.regno = 0x0201,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 264,
|
|
.stack_offset = BSA_LBEG_OFF,
|
|
},
|
|
{
|
|
/* LCOUNT */
|
|
.idx = 67,
|
|
.regno = 0x0202,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 268,
|
|
.stack_offset = BSA_LBEG_OFF,
|
|
},
|
|
{
|
|
/* SAR */
|
|
.idx = 68,
|
|
.regno = 0x0203,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 272,
|
|
.stack_offset = BSA_SAR_OFF,
|
|
},
|
|
{
|
|
/* WINDOWBASE */
|
|
.idx = 69,
|
|
.regno = 0x0248,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 276,
|
|
.is_read_only = 1,
|
|
},
|
|
{
|
|
/* WINDOWSTART */
|
|
.idx = 70,
|
|
.regno = 0x0249,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 280,
|
|
.is_read_only = 1,
|
|
},
|
|
{
|
|
/* PS */
|
|
.idx = 73,
|
|
.regno = 0x02E6,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 292,
|
|
.stack_offset = BSA_PS_OFF,
|
|
},
|
|
{
|
|
/* THREADPTR */
|
|
.idx = 74,
|
|
.regno = 0x02E7,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 296,
|
|
#ifdef CONFIG_THREAD_LOCAL_STORAGE
|
|
/* Only saved in stack if TLS is enabled */
|
|
.stack_offset = BSA_THREADPTR_OFF,
|
|
#endif
|
|
},
|
|
{
|
|
/* SCOMPARE1 */
|
|
.idx = 76,
|
|
.regno = 0x020C,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 304,
|
|
.stack_offset = BSA_SCOMPARE1_OFF,
|
|
},
|
|
{
|
|
/* EXCCAUSE */
|
|
.idx = 143,
|
|
.regno = 0x02E8,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 572,
|
|
.stack_offset = BSA_EXCCAUSE_OFF,
|
|
},
|
|
{
|
|
/* DEBUGCAUSE */
|
|
.idx = 144,
|
|
.regno = 0x02E9,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 576,
|
|
},
|
|
{
|
|
/* EXCVADDR */
|
|
.idx = 149,
|
|
.regno = 0x02EE,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 596,
|
|
},
|
|
{
|
|
/* A0 */
|
|
.idx = 157,
|
|
.regno = 0x0000,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 628,
|
|
.stack_offset = BSA_A0_OFF,
|
|
},
|
|
{
|
|
/* A1 */
|
|
.idx = 158,
|
|
.regno = 0x0001,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 632,
|
|
},
|
|
{
|
|
/* A2 */
|
|
.idx = 159,
|
|
.regno = 0x0002,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 636,
|
|
.stack_offset = BSA_A2_OFF,
|
|
},
|
|
{
|
|
/* A3 */
|
|
.idx = 160,
|
|
.regno = 0x0003,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 640,
|
|
.stack_offset = BSA_A3_OFF,
|
|
},
|
|
{
|
|
/* A4 */
|
|
.idx = 161,
|
|
.regno = 0x0004,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 644,
|
|
.stack_offset = -16,
|
|
},
|
|
{
|
|
/* A5 */
|
|
.idx = 162,
|
|
.regno = 0x0005,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 648,
|
|
.stack_offset = -12,
|
|
},
|
|
{
|
|
/* A6 */
|
|
.idx = 163,
|
|
.regno = 0x0006,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 652,
|
|
.stack_offset = -8,
|
|
},
|
|
{
|
|
/* A7 */
|
|
.idx = 164,
|
|
.regno = 0x0007,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 656,
|
|
.stack_offset = -4,
|
|
},
|
|
{
|
|
/* A8 */
|
|
.idx = 165,
|
|
.regno = 0x0008,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 660,
|
|
.stack_offset = -32,
|
|
},
|
|
{
|
|
/* A9 */
|
|
.idx = 166,
|
|
.regno = 0x0009,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 664,
|
|
.stack_offset = -28,
|
|
},
|
|
{
|
|
/* A10 */
|
|
.idx = 167,
|
|
.regno = 0x000A,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 668,
|
|
.stack_offset = -24,
|
|
},
|
|
{
|
|
/* A11 */
|
|
.idx = 168,
|
|
.regno = 0x000B,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 672,
|
|
.stack_offset = -20,
|
|
},
|
|
{
|
|
/* A12 */
|
|
.idx = 169,
|
|
.regno = 0x000C,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 676,
|
|
.stack_offset = -48,
|
|
},
|
|
{
|
|
/* A13 */
|
|
.idx = 170,
|
|
.regno = 0x000D,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 680,
|
|
.stack_offset = -44,
|
|
},
|
|
{
|
|
/* A14 */
|
|
.idx = 171,
|
|
.regno = 0x000E,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 684,
|
|
.stack_offset = -40,
|
|
},
|
|
{
|
|
/* A15 */
|
|
.idx = 172,
|
|
.regno = 0x000F,
|
|
.byte_size = 4,
|
|
.gpkt_offset = 688,
|
|
.stack_offset = -36,
|
|
},
|
|
};
|
|
|
|
struct gdb_ctx xtensa_gdb_ctx = {
|
|
.regs = gdb_reg_list,
|
|
.num_regs = ARRAY_SIZE(gdb_reg_list),
|
|
};
|