diff options
| author | Kevin O'Connor <kevin@koconnor.net> | 2015-08-13 11:43:27 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2015-08-17 12:22:05 -0400 |
| commit | bc46ebe2edeb624c1d1ae6f5c914dd0ae12fb0fa (patch) | |
| tree | be0073416279f423aadec7d44e70e215d17eefba /src/clock.c | |
| parent | 4c904957cdadd8232fdf87fc370ffa97b22f1e17 (diff) | |
| download | seabios-bc46ebe2edeb624c1d1ae6f5c914dd0ae12fb0fa.tar.gz | |
rtc: Support disabling the RTC timer irq support
Add a build time config option to remove support for RTC timer
interrupts along with the associated bios calls requiring that
support.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/clock.c')
| -rw-r--r-- | src/clock.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/clock.c b/src/clock.c index ee2b53ff..2bb5209a 100644 --- a/src/clock.c +++ b/src/clock.c @@ -56,7 +56,8 @@ clock_setup(void) } enable_hwirq(0, FUNC16(entry_08)); - enable_hwirq(8, FUNC16(entry_70)); + if (CONFIG_RTC_TIMER) + enable_hwirq(8, FUNC16(entry_70)); } @@ -374,6 +375,10 @@ clear_usertimer(void) void handle_1586(struct bregs *regs) { + if (!CONFIG_RTC_TIMER) { + set_code_unimplemented(regs, RET_EUNSUPPORTED); + return; + } // Use the rtc to wait for the specified time. u8 statusflag = 0; u32 count = (regs->cx << 16) | regs->dx; @@ -417,6 +422,10 @@ handle_1583XX(struct bregs *regs) void handle_1583(struct bregs *regs) { + if (!CONFIG_RTC_TIMER) { + handle_1583XX(regs); + return; + } switch (regs->al) { case 0x00: handle_158300(regs); break; case 0x01: handle_158301(regs); break; @@ -430,6 +439,8 @@ handle_1583(struct bregs *regs) void VISIBLE16 handle_70(void) { + if (!CONFIG_RTC_TIMER) + return; debug_isr(DEBUG_ISR_70); // Check which modes are enabled and have occurred. |