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Added Memory Dump app for Debug (#1588)

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* Added single word read/write support

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Mark Thompson 2023-11-18 07:16:56 -06:00 • committed by GitHub
parent 2c0446e83d
commit de937f02d4
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 113 additions and 20 deletions
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31
firmware/application/debug.cpp
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@ -258,38 +258,43 @@ void draw_stack_dump() {
}
}
// Disk I/O in this function doesn't work after a fault
// Using the stack while dumping the stack isn't ideal, but hopefully anything imporant is still on the call stack.
bool stack_dump() {
uint32_t num_words = &__process_stack_end__ - &__process_stack_base__;
return memory_dump(&__process_stack_base__, num_words, true);
}
bool memory_dump(uint32_t* addr_start, uint32_t num_words, bool stack_flag) {
Painter painter;
std::string debug_dir = "DEBUG";
std::filesystem::path filename{};
File stack_dump_file{};
File dump_file{};
bool error;
std::string str;
uint32_t* addr_end;
uint32_t* p;
int n{0};
bool data_found{false};
make_new_directory(debug_dir);
filename = next_filename_matching_pattern(debug_dir + "/STACK_DUMP_????.TXT");
filename = next_filename_matching_pattern(debug_dir + "/" + (stack_flag ? "STACK" : "MEMORY") + "_DUMP_????.TXT");
error = filename.empty();
if (!error)
error = stack_dump_file.create(filename) != 0;
error = dump_file.create(filename) != 0;
if (error) {
painter.draw_string({16, 320 - 32}, ui::Styles::red, "ERROR DUMPING " + filename.filename().string() + "!");
return false;
}
for (p = &__process_stack_base__; p < &__process_stack_end__; p++) {
addr_end = addr_start + num_words;
for (p = addr_start; p < addr_end; p++) {
// skip past unused stack words
if (!data_found) {
if (stack_flag && !data_found) {
if (*p == CRT0_STACKS_FILL_PATTERN)
continue;
else {
data_found = true;
auto stack_space_left = p - &__process_stack_base__;
stack_dump_file.write_line(to_string_hex((uint32_t)&__process_stack_base__, 8) + ": Unused words " + to_string_dec_uint(stack_space_left));
auto stack_space_left = p - addr_start;
dump_file.write_line(to_string_hex((uint32_t)addr_start, 8) + ": Unused words " + to_string_dec_uint(stack_space_left));
// align subsequent lines to start on 16-byte boundaries
p -= (stack_space_left & 3);
@ -299,20 +304,20 @@ bool stack_dump() {
// write address
if (n++ == 0) {
str = to_string_hex((uint32_t)p, 8) + ":";
stack_dump_file.write(str.data(), 9);
dump_file.write(str.data(), 9);
}
// write stack dword
str = " " + to_string_hex(*p, 8);
stack_dump_file.write(str.data(), 9);
dump_file.write(str.data(), 9);
if (n == 4) {
stack_dump_file.write("\r\n", 2);
dump_file.write("\r\n", 2);
n = 0;
}
}
painter.draw_string({16, 320 - 32}, ui::Styles::green, filename.filename().string() + " dumped!");
painter.draw_string({0, 320 - 16}, ui::Styles::green, filename.filename().string() + " dumped!");
return true;
}