From 692f070ede4a413337c573b8d1592f0f5d1ea7ed Mon Sep 17 00:00:00 2001 From: Joshua Wise Date: Fri, 12 Dec 2008 18:56:18 -0500 Subject: [PATCH] latest --- aseg-paging/main.c | 57 ++++++++++++++++++++++++++++------------------ 1 file changed, 35 insertions(+), 22 deletions(-) diff --git a/aseg-paging/main.c b/aseg-paging/main.c index 586935c..21aaeeb 100644 --- a/aseg-paging/main.c +++ b/aseg-paging/main.c @@ -18,6 +18,30 @@ static int _ibf_ready = 0; static int _waiting_for_data = 0; static int curdev = 0; +static int _inject_ready() +{ + return _ibf_ready && !_waiting_for_data; +} + +void _try_inject() +{ + if (kbd_has_injected_scancode() && _inject_ready()) + { + smi_disable_event(SMI_EVENT_DEVTRAP_KBC); + int i = 1000; + while (inb(0x64) & 0x02) /* Busy? */ + ; + outb(0x64, 0xD2); /* "Inject, please!" */ + while (inb(0x64) & 0x02) /* Busy? */ + ; + outb(0x60, kbd_get_injected_scancode()); /* data */ + while ((inb(0x64) & 0x02) && i--) /* wait for completion */ + ; + smi_enable_event(SMI_EVENT_DEVTRAP_KBC); + } else if (kbd_has_injected_scancode()) + outputf("Would like to inject, but %d %d", _ibf_ready, _waiting_for_data); +} + void pci_dump() { unsigned long cts; @@ -38,18 +62,26 @@ void pci_dump() { b = inb(0x64); curdev = (b & 0x20 /* KBD_STAT_MOUSE_OBF */) ? 1 : 0; + + if ((curdev == 0) && kbd_has_injected_scancode()) + b |= 0x1; + _ibf_ready = (b & 0x2 /* IBF */) ? 0 : 1; break; case 0x60: - b = inb(0x60); + if ((curdev == 0) && kbd_has_injected_scancode()) + b = kbd_get_injected_scancode(); + else + b = inb(0x60); if ((curdev == 0) && (b == 0x01)) { /* Escape */ outb(0xCF9, 0x4); /* Reboot */ return; } break; } - + + dologf("READ : %08x (%02x)", cts, b); *(unsigned char*)0xAFFD0 /* EAX */ = b; break; } @@ -83,11 +115,6 @@ void pci_dump() { outl(0x848, 0x1000); } -static int _inject_ready() -{ - return _ibf_ready && !_waiting_for_data; -} - void timer_handler(smi_event_t ev) { static unsigned int ticks = 0; @@ -95,21 +122,7 @@ void timer_handler(smi_event_t ev) smi_disable_event(SMI_EVENT_FAST_TIMER); smi_enable_event(SMI_EVENT_FAST_TIMER); - if (kbd_has_injected_scancode() && _inject_ready()) - { - smi_disable_event(SMI_EVENT_DEVTRAP_KBC); - while (kbd_has_injected_scancode() && !(inb(0x64) & 0x01)) { - int i = 1000; - outb(0x64, 0xD2); /* "Inject, please!" */ - while (inb(0x64) & 0x02) /* Busy? */ - ; - outb(0x60, kbd_get_injected_scancode()); /* data */ - while ((inb(0x64) & 0x02) && i--) /* wait for completion */ - ; - } - smi_enable_event(SMI_EVENT_DEVTRAP_KBC); - } else if (kbd_has_injected_scancode()) - outputf("Would like to inject, but %d %d", _ibf_ready, _waiting_for_data); + _try_inject(); outb(0x80, (ticks++) & 0xFF); -- 2.43.0