mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-10-27 20:58:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

ps2: don't wait forever on machines with no controller

Browse Source
This commit is contained in:
Matheus
2026-05-12 22:18:42 -03:00
parent 62f8b8cddc
commit 3fda97332f
3 changed files with 23 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel-src/include/x86-64/arch/ps2.h
+15
View File
@@ -63,6 +63,21 @@ static inline void ps2_write_command(uint8_t cmd) {
outb(PS2_PORT_COMMAND, cmd);
}
static inline void ps2_write_command_timeout(uint8_t cmd, int ms, bool *timeout) {
timespec_t initial = timekeeper_timefromboot();
while (ps2_inbuffer_full()) {
timespec_t current = timekeeper_timefromboot();
if (timespec_diffms(initial, current) >= ms) {
*timeout = true;
return;
}
}
*timeout = false;
outb(PS2_PORT_COMMAND, cmd);
}
static inline void ps2_write_data(uint8_t cmd) {
while (ps2_inbuffer_full());
outb(PS2_PORT_DATA, cmd);