| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_BRINGUP_LIB_MEXEC_MEXEC_H_ |
| #define SRC_BRINGUP_LIB_MEXEC_MEXEC_H_ |
| |
| #include <lib/zx/resource.h> |
| #include <lib/zx/vmo.h> |
| #include <zircon/types.h> |
| |
| namespace mexec { |
| |
| // Given an mexec-privileged resource, this method prepares the desired data |
| // ZBI to be passed to `zx_system_mexec()`: it is extended with the |
| // system-specified items given by `zx_system_mexec_payload_get()`, as well as |
| // a SECURE_ENTROPY item for good measure. |
| // |
| // Returns |
| // * ZX_ERR_IO_DATA_INTEGRITY: if any ZBI format or storage access errors are |
| // encountered; |
| // * any status returned by `zx_system_mexec_payload_get()`. |
| // |
| zx_status_t PrepareDataZbi(zx::unowned_resource resource, zx::unowned_vmo data_zbi); |
| |
| // Boot a new kernel from the separate kernel and data ZBIs in the two VMOs. |
| // This never returns if successful. |
| zx_status_t BootZbi(zx::unowned_resource resource, zx::vmo kernel_zbi, zx::vmo data_zbi); |
| |
| } // namespace mexec |
| |
| #endif // SRC_BRINGUP_LIB_MEXEC_MEXEC_H_ |
