143 lines
5.3 KiB
C++
143 lines
5.3 KiB
C++
/*
|
|
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <algorithm>
|
|
#include <iostream>
|
|
#include "output_format.h"
|
|
#include "pio_disassembler.h"
|
|
|
|
struct c_sdk_output : public output_format {
|
|
struct factory {
|
|
factory() {
|
|
output_format::add(new c_sdk_output());
|
|
}
|
|
};
|
|
|
|
c_sdk_output() : output_format("c-sdk") {}
|
|
|
|
std::string get_description() override {
|
|
return "C header suitable for use with the Raspberry Pi Pico SDK";
|
|
}
|
|
|
|
void output_symbols(FILE *out, std::string prefix, const std::vector<compiled_source::symbol> &symbols) {
|
|
int count = 0;
|
|
for (const auto &s : symbols) {
|
|
if (!s.is_label) {
|
|
fprintf(out, "#define %s%s %d\n", prefix.c_str(), s.name.c_str(), s.value);
|
|
count++;
|
|
}
|
|
}
|
|
if (count) {
|
|
fprintf(out, "\n");
|
|
count = 0;
|
|
}
|
|
for (const auto &s : symbols) {
|
|
if (s.is_label) {
|
|
fprintf(out, "#define %soffset_%s %du\n", prefix.c_str(), s.name.c_str(), s.value);
|
|
count++;
|
|
}
|
|
}
|
|
if (count) {
|
|
fprintf(out, "\n");
|
|
}
|
|
}
|
|
|
|
void header(FILE *out, std::string msg) {
|
|
std::string dashes = std::string(msg.length(), '-');
|
|
fprintf(out, "// %s //\n", dashes.c_str());
|
|
fprintf(out, "// %s //\n", msg.c_str());
|
|
fprintf(out, "// %s //\n", dashes.c_str());
|
|
fprintf(out, "\n");
|
|
}
|
|
|
|
int output(std::string destination, std::vector<std::string> output_options,
|
|
const compiled_source &source) override {
|
|
|
|
for (const auto &program : source.programs) {
|
|
for(const auto &p : program.lang_opts) {
|
|
if (p.first.size() >= name.size() && p.first.compare(0, name.size(), name) == 0) {
|
|
std::cerr << "warning: " << name << " does not support output options; " << p.first << " lang_opt ignored.\n";
|
|
}
|
|
}
|
|
}
|
|
FILE *out = open_single_output(destination);
|
|
if (!out) return 1;
|
|
|
|
header(out, "This file is autogenerated by pioasm; do not edit!");
|
|
|
|
fprintf(out, "#if !PICO_NO_HARDWARE\n");
|
|
fprintf(out, "#include \"hardware/pio.h\"\n");
|
|
fprintf(out, "#endif\n");
|
|
fprintf(out, "\n");
|
|
|
|
output_symbols(out, "", source.global_symbols);
|
|
|
|
for (const auto &program : source.programs) {
|
|
header(out, program.name);
|
|
|
|
std::string prefix = program.name + "_";
|
|
|
|
fprintf(out, "#define %swrap_target %d\n", prefix.c_str(), program.wrap_target);
|
|
fprintf(out, "#define %swrap %d\n", prefix.c_str(), program.wrap);
|
|
fprintf(out, "\n");
|
|
|
|
output_symbols(out, prefix, program.symbols);
|
|
|
|
fprintf(out, "static const uint16_t %sprogram_instructions[] = {\n", prefix.c_str());
|
|
for (int i = 0; i < (int)program.instructions.size(); i++) {
|
|
const auto &inst = program.instructions[i];
|
|
if (i == program.wrap_target) {
|
|
fprintf(out, " // .wrap_target\n");
|
|
}
|
|
fprintf(out, " 0x%04x, // %2d: %s\n", inst, i,
|
|
disassemble(inst, program.sideset_bits_including_opt.get(), program.sideset_opt).c_str());
|
|
if (i == program.wrap) {
|
|
fprintf(out, " // .wrap\n");
|
|
}
|
|
}
|
|
fprintf(out, "};\n");
|
|
fprintf(out, "\n");
|
|
|
|
fprintf(out, "#if !PICO_NO_HARDWARE\n");
|
|
fprintf(out, "static const struct pio_program %sprogram = {\n", prefix.c_str());
|
|
fprintf(out, " .instructions = %sprogram_instructions,\n", prefix.c_str());
|
|
fprintf(out, " .length = %d,\n", (int) program.instructions.size());
|
|
fprintf(out, " .origin = %d,\n", program.origin.get());
|
|
fprintf(out, "};\n");
|
|
fprintf(out, "\n");
|
|
fprintf(out, "static inline pio_sm_config %sprogram_get_default_config(uint offset) {\n", prefix.c_str());
|
|
fprintf(out, " pio_sm_config c = pio_get_default_sm_config();\n");
|
|
fprintf(out, " sm_config_set_wrap(&c, offset + %swrap_target, offset + %swrap);\n", prefix.c_str(),
|
|
prefix.c_str());
|
|
if (program.sideset_bits_including_opt.is_specified()) {
|
|
fprintf(out, " sm_config_set_sideset(&c, %d, %s, %s);\n", program.sideset_bits_including_opt.get(),
|
|
program.sideset_opt ? "true" : "false",
|
|
program.sideset_pindirs ? "true" : "false");
|
|
}
|
|
fprintf(out, " return c;\n");
|
|
fprintf(out, "}\n");
|
|
|
|
// todo maybe have some code blocks inside or outside here?
|
|
for(const auto& o : program.code_blocks) {
|
|
fprintf(out, "\n");
|
|
if (o.first == name) {
|
|
for(const auto &contents : o.second) {
|
|
fprintf(out, "%s", contents.c_str());
|
|
fprintf(out, "\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
fprintf(out, "#endif\n");
|
|
fprintf(out, "\n");
|
|
}
|
|
if (out != stdout) { fclose(out); }
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
static c_sdk_output::factory creator;
|