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Platarmboardfvpfvp Io Storagecvsplatarmboardfvp Rfvp R Io Storagec
Updated 82 Days AgoPublic

/*                                                            /*
 * Copyright (c) 2014-2020, ARM Limited and Contributors.  |   * Copyright (c) 2014-2021, ARM Limited and Contributors. 
 *                                                             *
 * SPDX-License-Identifier: BSD-3-Clause                       * SPDX-License-Identifier: BSD-3-Clause
 */                                                            */

#include <assert.h>                                           #include <assert.h>

#include <common/debug.h>                                     #include <common/debug.h>
#include <drivers/io/io_driver.h>                             #include <drivers/io/io_driver.h>
#include <drivers/io/io_semihosting.h>                        #include <drivers/io/io_semihosting.h>
#include <drivers/io/io_storage.h>                            #include <drivers/io/io_storage.h>
#include <lib/semihosting.h>                                  #include <lib/semihosting.h>
#include <plat/arm/common/plat_arm.h>                         #include <plat/arm/common/plat_arm.h>
#include <plat/common/common_def.h>                           #include <plat/common/common_def.h>

/* Semihosting filenames */                                   /* Semihosting filenames */
#define BL2_IMAGE_NAME                  "bl2.bin"          <
#define BL31_IMAGE_NAME                 "bl31.bin"         <
#define BL32_IMAGE_NAME                 "bl32.bin"         <
#define BL33_IMAGE_NAME                 "bl33.bin"            #define BL33_IMAGE_NAME                 "bl33.bin"
#define TB_FW_CONFIG_NAME               "fvp_tb_fw_config. <
#define HW_CONFIG_NAME                  "hw_config.dtb"    <

#if TRUSTED_BOARD_BOOT                                        #if TRUSTED_BOARD_BOOT
#define TRUSTED_BOOT_FW_CERT_NAME       "tb_fw.crt"        <
#define TRUSTED_KEY_CERT_NAME           "trusted_key.crt"     #define TRUSTED_KEY_CERT_NAME           "trusted_key.crt"
#define SOC_FW_KEY_CERT_NAME            "soc_fw_key.crt"   <
#define TOS_FW_KEY_CERT_NAME            "tos_fw_key.crt"   <
#define NT_FW_KEY_CERT_NAME             "nt_fw_key.crt"       #define NT_FW_KEY_CERT_NAME             "nt_fw_key.crt"
#define SOC_FW_CONTENT_CERT_NAME        "soc_fw_content.cr <
#define TOS_FW_CONTENT_CERT_NAME        "tos_fw_content.cr <
#define NT_FW_CONTENT_CERT_NAME         "nt_fw_content.crt    #define NT_FW_CONTENT_CERT_NAME         "nt_fw_content.crt
#endif /* TRUSTED_BOARD_BOOT */                               #endif /* TRUSTED_BOARD_BOOT */

/* IO devices */                                              /* IO devices */
static const io_dev_connector_t *sh_dev_con;                  static const io_dev_connector_t *sh_dev_con;
static uintptr_t sh_dev_handle;                               static uintptr_t sh_dev_handle;

static const io_file_spec_t sh_file_spec[] = {                static const io_file_spec_t sh_file_spec[] = {
        [BL2_IMAGE_ID] = {                                 <
                .path = BL2_IMAGE_NAME,                    <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [BL31_IMAGE_ID] = {                                <
                .path = BL31_IMAGE_NAME,                   <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [BL32_IMAGE_ID] = {                                <
                .path = BL32_IMAGE_NAME,                   <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [BL33_IMAGE_ID] = {                                           [BL33_IMAGE_ID] = {
                .path = BL33_IMAGE_NAME,                                      .path = BL33_IMAGE_NAME,
                .mode = FOPEN_MODE_RB                                         .mode = FOPEN_MODE_RB
        },                                                            },
        [TB_FW_CONFIG_ID] = {                              <
                .path = TB_FW_CONFIG_NAME,                 <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [HW_CONFIG_ID] = {                                 <
                .path = HW_CONFIG_NAME,                    <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
#if TRUSTED_BOARD_BOOT                                        #if TRUSTED_BOARD_BOOT
        [TRUSTED_BOOT_FW_CERT_ID] = {                      <
                .path = TRUSTED_BOOT_FW_CERT_NAME,         <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [TRUSTED_KEY_CERT_ID] = {                                     [TRUSTED_KEY_CERT_ID] = {
                .path = TRUSTED_KEY_CERT_NAME,                                .path = TRUSTED_KEY_CERT_NAME,
                .mode = FOPEN_MODE_RB                                         .mode = FOPEN_MODE_RB
        },                                                            },
        [SOC_FW_KEY_CERT_ID] = {                           <
                .path = SOC_FW_KEY_CERT_NAME,              <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [TRUSTED_OS_FW_KEY_CERT_ID] = {                    <
                .path = TOS_FW_KEY_CERT_NAME,              <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [NON_TRUSTED_FW_KEY_CERT_ID] = {                              [NON_TRUSTED_FW_KEY_CERT_ID] = {
                .path = NT_FW_KEY_CERT_NAME,                                  .path = NT_FW_KEY_CERT_NAME,
                .mode = FOPEN_MODE_RB                                         .mode = FOPEN_MODE_RB
        },                                                            },
        [SOC_FW_CONTENT_CERT_ID] = {                       <
                .path = SOC_FW_CONTENT_CERT_NAME,          <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [TRUSTED_OS_FW_CONTENT_CERT_ID] = {                <
                .path = TOS_FW_CONTENT_CERT_NAME,          <
                .mode = FOPEN_MODE_RB                      <
        },                                                 <
        [NON_TRUSTED_FW_CONTENT_CERT_ID] = {                          [NON_TRUSTED_FW_CONTENT_CERT_ID] = {
                .path = NT_FW_CONTENT_CERT_NAME,                              .path = NT_FW_CONTENT_CERT_NAME,
                .mode = FOPEN_MODE_RB                                         .mode = FOPEN_MODE_RB
        },                                                            },
#endif /* TRUSTED_BOARD_BOOT */                               #endif /* TRUSTED_BOARD_BOOT */
};                                                            };


static int open_semihosting(const uintptr_t spec)             static int open_semihosting(const uintptr_t spec)
{                                                             {
        int result;                                                   int result;
        uintptr_t local_image_handle;                                 uintptr_t local_image_handle;

        /* See if the file exists on semi-hosting.*/                  /* See if the file exists on semi-hosting.*/
        result = io_dev_init(sh_dev_handle, (uintptr_t)NUL            result = io_dev_init(sh_dev_handle, (uintptr_t)NUL
        if (result == 0) {                                            if (result == 0) {
                result = io_open(sh_dev_handle, spec, &loc                    result = io_open(sh_dev_handle, spec, &loc
                if (result == 0) {                                            if (result == 0) {
                        VERBOSE("Using Semi-hosting IO\n")                            VERBOSE("Using Semi-hosting IO\n")
                        io_close(local_image_handle);                                 io_close(local_image_handle);
                }                                                             }
        }                                                             }
        return result;                                                return result;
}                                                             }

void plat_arm_io_setup(void)                                  void plat_arm_io_setup(void)
{                                                             {
        int io_result;                                                int io_result;

        io_result = arm_io_setup();                                   io_result = arm_io_setup();
        if (io_result < 0) {                                          if (io_result < 0) {
                panic();                                                      panic();
        }                                                             }

        /* Register the additional IO devices on this plat            /* Register the additional IO devices on this plat
        io_result = register_io_dev_sh(&sh_dev_con);                  io_result = register_io_dev_sh(&sh_dev_con);
        if (io_result < 0) {                                          if (io_result < 0) {
                panic();                                                      panic();
        }                                                             }

        /* Open connections to devices and cache the handl            /* Open connections to devices and cache the handl
        io_result = io_dev_open(sh_dev_con, (uintptr_t)NUL            io_result = io_dev_open(sh_dev_con, (uintptr_t)NUL
        if (io_result < 0) {                                          if (io_result < 0) {
                panic();                                                      panic();
        }                                                             }
}                                                             }

/*                                                            /*
 * FVP provides semihosting as an alternative to load imag |   * FVP_R provides semihosting as an alternative to load im
 */                                                            */
int plat_arm_get_alt_image_source(unsigned int image_id, u    int plat_arm_get_alt_image_source(unsigned int image_id, u
                                  uintptr_t *image_spec)                                        uintptr_t *image_spec)
{                                                             {
        int result = open_semihosting((const uintptr_t)&sh            int result = open_semihosting((const uintptr_t)&sh
        if (result == 0) {                                            if (result == 0) {
                *dev_handle = sh_dev_handle;                                  *dev_handle = sh_dev_handle;
                *image_spec = (uintptr_t)&sh_file_spec[ima                    *image_spec = (uintptr_t)&sh_file_spec[ima
        }                                                             }

        return result;                                                return result;
}                                                             }
Last Author
garymorrison-arm
Last Edited
Jul 2 2021, 10:40 PM