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98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "pulse_bulkio_domain_handler.h"
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#include "console/pulse_protocol_impl.h"
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#include "drivers/flash.h"
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#include "kernel/core_dump.h"
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#include "kernel/core_dump_private.h"
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#include "system/status_codes.h"
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#include "util/attributes.h"
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#include <stdint.h>
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typedef struct PACKED CoredumpStatResp {
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uint8_t flags;
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uint8_t unread;
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uint32_t size;
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} CoredumpStatResp;
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static uint32_t prv_get_coredump_index(void *packet_data) {
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return *(uint32_t*)packet_data;
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}
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static int coredump_domain_read(uint8_t *buf, uint32_t address, uint32_t length,
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void *context) {
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uint32_t index = (uintptr_t)context;
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uint32_t core_base_addr = core_dump_get_slot_address(index) + sizeof(CoreDumpFlashRegionHeader);
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flash_read_bytes(buf, core_base_addr + address, length);
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return length;
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}
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static int coredump_domain_write(uint8_t *buf, uint32_t address, uint32_t length,
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void *context) {
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return E_INVALID_OPERATION;
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}
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static int coredump_domain_stat(uint8_t *resp, size_t resp_max_len, void *context) {
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uint32_t index = (uintptr_t)context;
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uint32_t addr = core_dump_get_slot_address(index);
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CoredumpStatResp *stat_resp = (CoredumpStatResp*)resp;
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*stat_resp = (CoredumpStatResp) {
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.flags = 0,
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.unread = core_dump_is_unread_available(addr),
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// Size of 0 indicates no core dump available
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.size = 0
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};
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if (stat_resp->unread == 1) {
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status_t ret = core_dump_size(addr, &stat_resp->size);
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if (FAILED(ret)) {
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return ret;
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}
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}
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return sizeof(CoredumpStatResp);
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}
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static status_t coredump_domain_erase(uint8_t *packet_data, size_t length, uint8_t cookie) {
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uint32_t index = prv_get_coredump_index(packet_data);
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uint32_t addr = core_dump_get_slot_address(index);
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core_dump_mark_read(addr);
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return S_SUCCESS;
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}
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static status_t coredump_domain_open(uint8_t *packet_data, size_t length, void **resp) {
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*resp = (void*)(uintptr_t)prv_get_coredump_index(packet_data);
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return S_SUCCESS;
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}
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static status_t coredump_domain_close(void *context) {
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return S_SUCCESS;
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}
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PulseBulkIODomainHandler pulse_bulkio_domain_coredump = {
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.id = PulseBulkIODomainType_Coredump,
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.open_proc = coredump_domain_open,
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.close_proc = coredump_domain_close,
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.read_proc = coredump_domain_read,
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.write_proc = coredump_domain_write,
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.stat_proc = coredump_domain_stat,
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.erase_proc = coredump_domain_erase
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};
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