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inlined a version of putch for better cache locality

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shockrah 2020-05-02 20:44:47 -07:00
parent 9f793bfd2a
commit ee7e44fbaf
1 changed files with 12 additions and 3 deletions
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15
stlio.c
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@ -50,6 +50,15 @@ static void __char_set(u8* dest, u8 desire) {
*dest = desire; *dest = desire;
} }
static inline void __put_ch(const char c) {
if(c == '\n') {
frame_buffer_newline();
}
else {
write_char(c);
}
}
u32 read(char* buffer, u32 size) { u32 read(char* buffer, u32 size) {
// try the timing thing again after this // try the timing thing again after this
u32 bytes = 0; u32 bytes = 0;
@ -64,12 +73,12 @@ u32 read(char* buffer, u32 size) {
if(pit_timer_ticks - kbd_time < 0x20 && state == KBD_RELEASE) { if(pit_timer_ticks - kbd_time < 0x20 && state == KBD_RELEASE) {
__char_set(&(buffer[bytes]), (u8)kbd_key); __char_set(&(buffer[bytes]), (u8)kbd_key);
if(kbd_key == '\n') { if(kbd_key == '\n') {
putch('\n'); __put_ch('\n');
return bytes; return ++bytes;
} }
bytes++; bytes++;
__char_set(&kbd_state, KBD_WAITING); // reset the kbd_state since we've now used it __char_set(&kbd_state, KBD_WAITING); // reset the kbd_state since we've now used it
putch(kbd_key); __put_ch(kbd_key);
} }
pit_timer_wait(1); pit_timer_wait(1);
} }