blob: e47bd5e7494b5cb5934456debe05b9c6cddb0fcf [file] [log] [blame]
// Copyright 2023 Google LLC
//
// 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.
// A Simple kelvin program.
#include <stddef.h>
#include <stdint.h>
typedef struct {
uint32_t return_code; // Populated in kelvin_start.S.
uint32_t output_ptr;
uint32_t length;
} OutputHeader;
__attribute__((section(".model_output_header"))) OutputHeader output_header = {
.output_ptr = 0,
.length = 0,
};
__attribute__((section(".model_output"))) uint32_t output;
int main(int argc, char *argv[]) {
const uint32_t kDataSize = 0x1000 / sizeof(uint32_t);
uint32_t data[kDataSize];
for (int i = 0; i < sizeof(data) / sizeof(uint32_t); ++i) {
data[i] = i;
}
for (int i = 0; i < sizeof(data) / sizeof(uint32_t); ++i) {
data[i] += 1;
}
// Setup output.
output_header.length = sizeof(output);
output = data[kDataSize - 1];
output_header.output_ptr = (uint32_t)&output;
// invalidate all cache.
asm volatile("flushall");
return 0;
}