mirror of https://github.com/bochs-emu/Bochs
146 lines
4.9 KiB
Plaintext
146 lines
4.9 KiB
Plaintext
Index: iodev/keyboard.cc
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===================================================================
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RCS file: /cvsroot/bochs/bochs/iodev/keyboard.cc,v
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retrieving revision 1.45
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retrieving revision 1.46
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diff -u -r1.45 -r1.46
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--- iodev/keyboard.cc 21 Feb 2002 20:26:48 -0000 1.45
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+++ iodev/keyboard.cc 23 Feb 2002 09:32:49 -0000 1.46
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@@ -1,5 +1,5 @@
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/////////////////////////////////////////////////////////////////////////
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-// $Id: keyboard.cc,v 1.45 2002/02/21 20:26:48 bdenney Exp $
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+// $Id: keyboard.cc,v 1.46 2002/02/23 09:32:49 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002 MandrakeSoft S.A.
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@@ -70,7 +70,7 @@
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memset( &s, 0, sizeof(s) );
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BX_KEY_THIS put("KBD");
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BX_KEY_THIS settype(KBDLOG);
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- BX_DEBUG(("Init $Id: keyboard.cc,v 1.45 2002/02/21 20:26:48 bdenney Exp $"));
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+ BX_DEBUG(("Init $Id: keyboard.cc,v 1.46 2002/02/23 09:32:49 vruppert Exp $"));
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}
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bx_keyb_c::~bx_keyb_c(void)
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@@ -110,7 +110,7 @@
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void
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bx_keyb_c::init(bx_devices_c *d, bx_cmos_c *cmos)
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{
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- BX_DEBUG(("Init $Id: keyboard.cc,v 1.45 2002/02/21 20:26:48 bdenney Exp $"));
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+ BX_DEBUG(("Init $Id: keyboard.cc,v 1.46 2002/02/23 09:32:49 vruppert Exp $"));
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Bit32u i;
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BX_KEY_THIS devices = d;
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@@ -179,8 +179,6 @@
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cmos->s.reg[0x14] |= 0x04;
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}
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-#define RETURN(x) do { ret = (x); goto read_return; } while (0)
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-
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// static IO port read callback handler
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// redirects to non-static class handler to avoid virtual functions
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@@ -208,8 +206,6 @@
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UNUSED(this_ptr);
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#endif // !BX_USE_KEY_SMF
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- Bit32u ret = 0;
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-
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if (io_len > 1)
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BX_PANIC(("kbd: io read to address %08x, len=%u",
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(unsigned) address, (unsigned) io_len));
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@@ -225,6 +221,7 @@
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// BX_INFO(("kbd: %04d outb 0 auxb 0",__LINE__)); // das
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BX_KEY_THIS s.kbd_controller.outb = 0;
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BX_KEY_THIS s.kbd_controller.auxb = 0;
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+ BX_KEY_THIS s.kbd_controller.irq12_requested = 0;
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if (BX_KEY_THIS s.controller_Qsize) {
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unsigned i;
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@@ -243,16 +240,18 @@
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//BX_DEBUG(("mouse: ___io_read aux = 0x%02x", (unsigned) val));
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+ BX_KEY_THIS devices->pic->lower_irq(12);
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activate_timer();
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BX_DEBUG(("READ(%02x) (from mouse) = %02x", (unsigned) address,
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(unsigned) val));
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- RETURN(val);
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+ return val;
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}
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else if (BX_KEY_THIS s.kbd_controller.outb) { /* kbd byte available */
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val = BX_KEY_THIS s.kbd_controller.kbd_output_buffer;
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// BX_INFO(("kbd: %04d outb 0 auxb 0",__LINE__)); // das
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BX_KEY_THIS s.kbd_controller.outb = 0;
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BX_KEY_THIS s.kbd_controller.auxb = 0;
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+ BX_KEY_THIS s.kbd_controller.irq1_requested = 0;
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//BX_DEBUG(( "___io_read kbd"));
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if (BX_KEY_THIS s.controller_Qsize) {
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@@ -267,27 +266,28 @@
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// move Q elements towards head of queue by one
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BX_KEY_THIS s.controller_Q[i] = BX_KEY_THIS s.controller_Q[i+1];
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}
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+ BX_DEBUG(("s.controller_Qsize: %02X",BX_KEY_THIS s.controller_Qsize));
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BX_KEY_THIS s.controller_Qsize--;
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}
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+ BX_KEY_THIS devices->pic->lower_irq(1);
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activate_timer();
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BX_DEBUG(("READ(%02x) = %02x", (unsigned) address,
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(unsigned) val));
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- RETURN(val);
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+ return val;
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}
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else {
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BX_DEBUG(("num_elements = %d", BX_KEY_THIS s.kbd_internal_buffer.num_elements));
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BX_DEBUG(("read from port 60h with outb empty"));
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- val = BX_KEY_THIS s.kbd_controller.kbd_output_buffer;
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- RETURN(val);
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+// val = BX_KEY_THIS s.kbd_controller.kbd_output_buffer;
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+ return BX_KEY_THIS s.kbd_controller.kbd_output_buffer;
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}
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}
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#if BX_CPU_LEVEL >= 2
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else if (address == 0x64) { /* status register */
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- Bit8u val;
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- val = (BX_KEY_THIS s.kbd_controller.pare << 7) |
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+ return (BX_KEY_THIS s.kbd_controller.pare << 7) |
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(BX_KEY_THIS s.kbd_controller.tim << 6) |
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(BX_KEY_THIS s.kbd_controller.auxb << 5) |
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(BX_KEY_THIS s.kbd_controller.keyl << 4) |
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@@ -295,28 +295,19 @@
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(BX_KEY_THIS s.kbd_controller.sysf << 2) |
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(BX_KEY_THIS s.kbd_controller.inpb << 1) |
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BX_KEY_THIS s.kbd_controller.outb;
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- BX_KEY_THIS devices->pic->lower_irq(1);
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- BX_KEY_THIS devices->pic->lower_irq(12);
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- RETURN(val);
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}
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#else /* BX_CPU_LEVEL > 0 */
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/* XT MODE, System 8255 Mode Register */
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else if (address == 0x64) { /* status register */
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BX_DEBUG(("IO read from port 64h, system 8255 mode register"));
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- RETURN(BX_KEY_THIS s.kbd_controller.outb);
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+ return BX_KEY_THIS s.kbd_controller.outb;
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}
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#endif /* BX_CPU_LEVEL > 0 */
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- else {
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- BX_PANIC(("unknown address in io read to keyboard port %x",
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+ BX_PANIC(("unknown address in io read to keyboard port %x",
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(unsigned) address));
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- RETURN(0); /* keep compiler happy */
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- }
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-
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- read_return:
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- BX_DEBUG(("keyboard: 8-bit read from %04x = %02x", (unsigned)address, ret));
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- return ret;
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+ return 0; /* keep compiler happy */
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}
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