Files
jsix_import/src/kernel/debugcon.cpp
Justin C. Miller b137c75eb2 [kernel] Use box-drawing characters in debugcon
Slight change to debugcon display format that replaces | with the
box-drawing character equivalent to seperate area/level from log
messages.
2024-08-08 19:46:32 -07:00

88 lines
2.1 KiB
C++

#include <util/format.h>
#include "debugcon.h"
#include "interrupts.h"
#include "logger.h"
namespace debugcon {
namespace {
static const uint8_t level_colors[] = {0x00, 0x09, 0x01, 0x0b, 0x0f, 0x07, 0x08};
const char *level_names[] = {"", "fatal", "error", "warn", "info", "verbose", "spam"};
const char *area_names[] = {
#define LOG(name, lvl) #name ,
#include <j6/tables/log_areas.inc>
#undef LOG
nullptr
};
inline void debug_out(const char *msg, size_t size) {
asm ( "rep outsb;" :: "c"(size), "d"(port), "S"(msg) );
}
inline void debug_endline() {
static const char *newline = "\e[0m\r\n";
asm ( "rep outsb;" :: "c"(6), "d"(port), "S"(newline) );
}
} // anon namespace
void
write(const char *fmt, ...)
{
char buffer[256];
va_list va;
va_start(va, fmt);
size_t n = util::vformat({buffer, sizeof(buffer)}, fmt, va);
va_end(va);
debug_out(buffer, n);
debug_out("\r\n", 2);
}
void
output(j6_log_entry *entry)
{
char buffer [256];
size_t dlen = util::format({buffer, sizeof(buffer)}, "\e[38;5;%dm%7s %7s\e[38;5;14m\u2502\e[38;5;%dm ",
level_colors[entry->severity],
area_names[entry->area],
level_names[entry->severity],
level_colors[entry->severity]);
debug_out(buffer, dlen);
debug_out(entry->message, entry->bytes - sizeof(j6_log_entry));
debug_endline();
}
void
logger_task()
{
using entry = j6_log_entry;
uint64_t seen = 0;
size_t buf_size = 128;
uint8_t *buf = new uint8_t [buf_size];
while (true) {
size_t size = g_logger.get_entry(seen, buf, buf_size);
if (size > buf_size) {
delete [] buf;
buf_size *= 2;
buf = new uint8_t [buf_size];
continue;
}
entry *header = reinterpret_cast<entry*>(buf);
while (size > sizeof(entry)) {
output(header);
seen = header->id;
size -= header->bytes;
header = util::offset_pointer(header, header->bytes);
}
}
}
} // namespace debugcon