Taylor Simpson | 9def75f | 2021-02-07 23:45:58 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "qemu/osdep.h" |
Alex Bennée | 4ea5fe9 | 2023-03-02 18:57:56 -0800 | [diff] [blame] | 19 | #include "gdbstub/helpers.h" |
Taylor Simpson | 9def75f | 2021-02-07 23:45:58 -0600 | [diff] [blame] | 20 | #include "cpu.h" |
| 21 | #include "internal.h" |
| 22 | |
| 23 | int hexagon_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) |
| 24 | { |
Philippe Mathieu-Daudé | 7ab7428 | 2024-01-29 17:44:53 +0100 | [diff] [blame] | 25 | CPUHexagonState *env = cpu_env(cs); |
Taylor Simpson | 9def75f | 2021-02-07 23:45:58 -0600 | [diff] [blame] | 26 | |
Brian Cain | b0bd9d8 | 2023-05-04 12:37:34 -0300 | [diff] [blame] | 27 | if (n == HEX_REG_P3_0_ALIASED) { |
| 28 | uint32_t p3_0 = 0; |
| 29 | for (int i = 0; i < NUM_PREGS; i++) { |
| 30 | p3_0 = deposit32(p3_0, i * 8, 8, env->pred[i]); |
| 31 | } |
| 32 | return gdb_get_regl(mem_buf, p3_0); |
| 33 | } |
| 34 | |
Taylor Simpson | 9def75f | 2021-02-07 23:45:58 -0600 | [diff] [blame] | 35 | if (n < TOTAL_PER_THREAD_REGS) { |
| 36 | return gdb_get_regl(mem_buf, env->gpr[n]); |
| 37 | } |
| 38 | |
| 39 | g_assert_not_reached(); |
| 40 | } |
| 41 | |
| 42 | int hexagon_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) |
| 43 | { |
Philippe Mathieu-Daudé | 7ab7428 | 2024-01-29 17:44:53 +0100 | [diff] [blame] | 44 | CPUHexagonState *env = cpu_env(cs); |
Taylor Simpson | 9def75f | 2021-02-07 23:45:58 -0600 | [diff] [blame] | 45 | |
Brian Cain | b0bd9d8 | 2023-05-04 12:37:34 -0300 | [diff] [blame] | 46 | if (n == HEX_REG_P3_0_ALIASED) { |
| 47 | uint32_t p3_0 = ldtul_p(mem_buf); |
| 48 | for (int i = 0; i < NUM_PREGS; i++) { |
| 49 | env->pred[i] = extract32(p3_0, i * 8, 8); |
| 50 | } |
| 51 | return sizeof(target_ulong); |
| 52 | } |
| 53 | |
Taylor Simpson | 9def75f | 2021-02-07 23:45:58 -0600 | [diff] [blame] | 54 | if (n < TOTAL_PER_THREAD_REGS) { |
| 55 | env->gpr[n] = ldtul_p(mem_buf); |
| 56 | return sizeof(target_ulong); |
| 57 | } |
| 58 | |
| 59 | g_assert_not_reached(); |
| 60 | } |
Taylor Simpson | b647652 | 2023-05-04 12:37:35 -0300 | [diff] [blame] | 61 | |
| 62 | static int gdb_get_vreg(CPUHexagonState *env, GByteArray *mem_buf, int n) |
| 63 | { |
| 64 | int total = 0; |
| 65 | int i; |
| 66 | for (i = 0; i < ARRAY_SIZE(env->VRegs[n].uw); i++) { |
| 67 | total += gdb_get_regl(mem_buf, env->VRegs[n].uw[i]); |
| 68 | } |
| 69 | return total; |
| 70 | } |
| 71 | |
| 72 | static int gdb_get_qreg(CPUHexagonState *env, GByteArray *mem_buf, int n) |
| 73 | { |
| 74 | int total = 0; |
| 75 | int i; |
| 76 | for (i = 0; i < ARRAY_SIZE(env->QRegs[n].uw); i++) { |
| 77 | total += gdb_get_regl(mem_buf, env->QRegs[n].uw[i]); |
| 78 | } |
| 79 | return total; |
| 80 | } |
| 81 | |
Akihiko Odaki | 6626015 | 2024-02-27 14:43:16 +0000 | [diff] [blame] | 82 | int hexagon_hvx_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n) |
Taylor Simpson | b647652 | 2023-05-04 12:37:35 -0300 | [diff] [blame] | 83 | { |
Akihiko Odaki | 6626015 | 2024-02-27 14:43:16 +0000 | [diff] [blame] | 84 | HexagonCPU *cpu = HEXAGON_CPU(cs); |
| 85 | CPUHexagonState *env = &cpu->env; |
| 86 | |
Taylor Simpson | b647652 | 2023-05-04 12:37:35 -0300 | [diff] [blame] | 87 | if (n < NUM_VREGS) { |
| 88 | return gdb_get_vreg(env, mem_buf, n); |
| 89 | } |
| 90 | n -= NUM_VREGS; |
| 91 | |
| 92 | if (n < NUM_QREGS) { |
| 93 | return gdb_get_qreg(env, mem_buf, n); |
| 94 | } |
| 95 | |
| 96 | g_assert_not_reached(); |
| 97 | } |
| 98 | |
| 99 | static int gdb_put_vreg(CPUHexagonState *env, uint8_t *mem_buf, int n) |
| 100 | { |
| 101 | int i; |
| 102 | for (i = 0; i < ARRAY_SIZE(env->VRegs[n].uw); i++) { |
| 103 | env->VRegs[n].uw[i] = ldtul_p(mem_buf); |
| 104 | mem_buf += 4; |
| 105 | } |
| 106 | return MAX_VEC_SIZE_BYTES; |
| 107 | } |
| 108 | |
| 109 | static int gdb_put_qreg(CPUHexagonState *env, uint8_t *mem_buf, int n) |
| 110 | { |
| 111 | int i; |
| 112 | for (i = 0; i < ARRAY_SIZE(env->QRegs[n].uw); i++) { |
| 113 | env->QRegs[n].uw[i] = ldtul_p(mem_buf); |
| 114 | mem_buf += 4; |
| 115 | } |
| 116 | return MAX_VEC_SIZE_BYTES / 8; |
| 117 | } |
| 118 | |
Akihiko Odaki | 6626015 | 2024-02-27 14:43:16 +0000 | [diff] [blame] | 119 | int hexagon_hvx_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) |
Taylor Simpson | b647652 | 2023-05-04 12:37:35 -0300 | [diff] [blame] | 120 | { |
Akihiko Odaki | 6626015 | 2024-02-27 14:43:16 +0000 | [diff] [blame] | 121 | HexagonCPU *cpu = HEXAGON_CPU(cs); |
| 122 | CPUHexagonState *env = &cpu->env; |
| 123 | |
Taylor Simpson | b647652 | 2023-05-04 12:37:35 -0300 | [diff] [blame] | 124 | if (n < NUM_VREGS) { |
| 125 | return gdb_put_vreg(env, mem_buf, n); |
| 126 | } |
| 127 | n -= NUM_VREGS; |
| 128 | |
| 129 | if (n < NUM_QREGS) { |
| 130 | return gdb_put_qreg(env, mem_buf, n); |
| 131 | } |
| 132 | |
| 133 | g_assert_not_reached(); |
| 134 | } |