risc0-zkvm-platform-sys 0.7.0-dev.2

// Copyright 2022 Risc0, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <cstddef>
#include <cstdint>

namespace risc0 {

#define MEM_REGION(name, start, len)                                                               \
  constexpr size_t kMem##name##Start = start;                                                      \
  constexpr size_t kMem##name##End = start + len;                                                  \
  constexpr size_t kMem##name##Len = len;

constexpr size_t kMemBits = 20;
constexpr size_t kMemSize = (1 << kMemBits) * 4;

constexpr size_t k256KB = 0x00040000;
constexpr size_t k512KB = 0x00080000;
constexpr size_t k1MB = 0x00100000;

// Must match riscv.ld
// clang-format off
MEM_REGION(Stack,  0x00000000, k256KB)
MEM_REGION(Data,   0x00040000, k256KB)
MEM_REGION(Heap,   0x00080000, k1MB)
MEM_REGION(Input,  0x00180000, k256KB)
MEM_REGION(GPIO,   0x001C0000, k256KB)
MEM_REGION(Prog,   0x00200000, k1MB)
MEM_REGION(SHA,    0x00300000, k256KB)
MEM_REGION(WOM,    0x00340000, k256KB * 2)
MEM_REGION(Output, 0x00340000, k256KB)
MEM_REGION(Commit, 0x00380000, k256KB)
// clang-format on

#define PTR_TO(type, name) reinterpret_cast<type*>(kMem##name##Start);

struct ShaDescriptor {
  uint32_t typeAndCount;
  uint32_t idx;
  uint32_t source;
  uint32_t digest;
};

inline uint32_t* GPIO_InputBase() {
  return reinterpret_cast<uint32_t*>(kMemInputStart);
}

inline uint32_t* GPIO_OutputBase() {
  return reinterpret_cast<uint32_t*>(kMemOutputStart);
}

inline uint32_t* GPIO_CommitBase() {
  return reinterpret_cast<uint32_t*>(kMemCommitStart);
}

} // namespace risc0