Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alexandre Courbot | 722 | 98.90% | 3 | 75.00% |
Christophe Jaillet | 8 | 1.10% | 1 | 25.00% |
Total | 730 | 4 |
/* * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "ls_ucode.h" #include "acr.h" #include <core/firmware.h> #define BL_DESC_BLK_SIZE 256 /** * Build a ucode image and descriptor from provided bootloader, code and data. * * @bl: bootloader image, including 16-bytes descriptor * @code: LS firmware code segment * @data: LS firmware data segment * @desc: ucode descriptor to be written * * Return: allocated ucode image with corresponding descriptor information. desc * is also updated to contain the right offsets within returned image. */ static void * ls_ucode_img_build(const struct firmware *bl, const struct firmware *code, const struct firmware *data, struct ls_ucode_img_desc *desc) { struct fw_bin_header *bin_hdr = (void *)bl->data; struct fw_bl_desc *bl_desc = (void *)bl->data + bin_hdr->header_offset; void *bl_data = (void *)bl->data + bin_hdr->data_offset; u32 pos = 0; void *image; desc->bootloader_start_offset = pos; desc->bootloader_size = ALIGN(bl_desc->code_size, sizeof(u32)); desc->bootloader_imem_offset = bl_desc->start_tag * 256; desc->bootloader_entry_point = bl_desc->start_tag * 256; pos = ALIGN(pos + desc->bootloader_size, BL_DESC_BLK_SIZE); desc->app_start_offset = pos; desc->app_size = ALIGN(code->size, BL_DESC_BLK_SIZE) + ALIGN(data->size, BL_DESC_BLK_SIZE); desc->app_imem_offset = 0; desc->app_imem_entry = 0; desc->app_dmem_offset = 0; desc->app_resident_code_offset = 0; desc->app_resident_code_size = ALIGN(code->size, BL_DESC_BLK_SIZE); pos = ALIGN(pos + desc->app_resident_code_size, BL_DESC_BLK_SIZE); desc->app_resident_data_offset = pos - desc->app_start_offset; desc->app_resident_data_size = ALIGN(data->size, BL_DESC_BLK_SIZE); desc->image_size = ALIGN(bl_desc->code_size, BL_DESC_BLK_SIZE) + desc->app_size; image = kzalloc(desc->image_size, GFP_KERNEL); if (!image) return ERR_PTR(-ENOMEM); memcpy(image + desc->bootloader_start_offset, bl_data, bl_desc->code_size); memcpy(image + desc->app_start_offset, code->data, code->size); memcpy(image + desc->app_start_offset + desc->app_resident_data_offset, data->data, data->size); return image; } /** * ls_ucode_img_load_gr() - load and prepare a LS GR ucode image * * Load the LS microcode, bootloader and signature and pack them into a single * blob. Also generate the corresponding ucode descriptor. */ static int ls_ucode_img_load_gr(const struct nvkm_subdev *subdev, struct ls_ucode_img *img, const char *falcon_name) { const struct firmware *bl, *code, *data, *sig; char f[64]; int ret; snprintf(f, sizeof(f), "gr/%s_bl", falcon_name); ret = nvkm_firmware_get(subdev->device, f, &bl); if (ret) goto error; snprintf(f, sizeof(f), "gr/%s_inst", falcon_name); ret = nvkm_firmware_get(subdev->device, f, &code); if (ret) goto free_bl; snprintf(f, sizeof(f), "gr/%s_data", falcon_name); ret = nvkm_firmware_get(subdev->device, f, &data); if (ret) goto free_inst; snprintf(f, sizeof(f), "gr/%s_sig", falcon_name); ret = nvkm_firmware_get(subdev->device, f, &sig); if (ret) goto free_data; img->sig = kmemdup(sig->data, sig->size, GFP_KERNEL); if (!img->sig) { ret = -ENOMEM; goto free_sig; } img->sig_size = sig->size; img->ucode_data = ls_ucode_img_build(bl, code, data, &img->ucode_desc); if (IS_ERR(img->ucode_data)) { kfree(img->sig); ret = PTR_ERR(img->ucode_data); goto free_sig; } img->ucode_size = img->ucode_desc.image_size; free_sig: nvkm_firmware_put(sig); free_data: nvkm_firmware_put(data); free_inst: nvkm_firmware_put(code); free_bl: nvkm_firmware_put(bl); error: return ret; } int acr_ls_ucode_load_fecs(const struct nvkm_secboot *sb, struct ls_ucode_img *img) { return ls_ucode_img_load_gr(&sb->subdev, img, "fecs"); } int acr_ls_ucode_load_gpccs(const struct nvkm_secboot *sb, struct ls_ucode_img *img) { return ls_ucode_img_load_gr(&sb->subdev, img, "gpccs"); }
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