Squashed 'third_party/pico-sdk/' content from commit 2062372d2
Change-Id: Ic20f199d3ed0ea8d3a6a1bbf513f875ec7500cc6
git-subtree-dir: third_party/pico-sdk
git-subtree-split: 2062372d203b372849d573f252cf7c6dc2800c0a
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/tools/pioasm/c_sdk_output.cpp b/tools/pioasm/c_sdk_output.cpp
new file mode 100644
index 0000000..9388c0d
--- /dev/null
+++ b/tools/pioasm/c_sdk_output.cpp
@@ -0,0 +1,144 @@
+/*
+ * 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, "#pragma once\n");
+ fprintf(out, "\n");
+ 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;