X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/a7a9d75b88768cbc4c61cbdaa0bc9fad7392af00..9e2a82e4e9495f33b8e6423c335a9a157f056254:/aseg/counter.c?ds=inline diff --git a/aseg/counter.c b/aseg/counter.c index 7b34f3a..055ceec 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -3,32 +3,80 @@ #include #include #include +#include +#include "../net/net.h" #include "vga-overlay.h" #include "packet.h" +#include "keyboard.h" unsigned int counter = 0; +unsigned int lastctr = 0; unsigned long pcisave; unsigned char vgasave; +static int curdev = 0; /* 0 if kbd, 1 if mouse */ + +static void cause_kbd_irq() +{ + outl(0x844, 0x0); + outl(0x848, 0x0); + while (inb(0x64) & 0x1) + inb(0x60); + outb(0x60, 0xee); /* Cause an IRQ. */ + while (inb(0x60) != 0xEE) + ; +} void pci_dump() { unsigned long cts; - static int curdev = 0; /* 0 if kbd, 1 if mouse */ cts = inl(0x84C); - outl(0x848, 0x0); outl(0x840, 0x0); + outl(0x848, 0x0); switch(cts&0xF0000) { case 0x20000: { unsigned char b; - b = inb(cts & 0xFFFF); - dologf("READ: %08x (%02x)", cts, b); - if ((cts & 0xFFFF) == 0x64) - curdev = (b & 0x20) ? 1 : 0; - if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01)) - outb(0xCF9, 0x4); + + switch (cts & 0xFFFF) + { + case 0x64: + /* Read the real hardware and mask in our OBF if need be. */ + b = inb(0x64); + if (kbd_has_injected_scancode()) + { + dologf("OS wants to know; we have data"); + lastctr = counter; + b |= 0x01; + b &= ~0x20; /* no mouse for you! */ + curdev = 0; + } else + curdev = (b & 0x20) ? 1 : 0; + *(unsigned char*)0xAFFD0 /* EAX */ = b; + break; + case 0x60: + if (kbd_has_injected_scancode()) + { + b = kbd_get_injected_scancode(); + lastctr = counter; + while (inb(0x64) & 0x1) + inb(0x60); + } else + b = inb(0x60); + if ((curdev == 0) && (b == 0x01)) { /* Escape */ + outb(0xCF9, 0x4); /* Reboot */ + return; + } + + /* If there is more nus to come, generate another IRQ. */ + if (kbd_has_injected_scancode()) + cause_kbd_irq(); + + *(unsigned char*)0xAFFD0 /* EAX */ = b; + break; + } + *(unsigned char*)0xAFFD0 /* EAX */ = b; break; } @@ -45,8 +93,8 @@ void pci_dump() { dolog("Unhandled PCI cycle"); } + outl(0x844, 0x1000); outl(0x848, 0x1000); - outl(0x840, 0x0100); } void timer_handler(smi_event_t ev) @@ -56,6 +104,14 @@ 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() && (counter > (lastctr + 2))) + { + smi_disable_event(SMI_EVENT_DEVTRAP_KBC); + dolog("Kicking timer"); + cause_kbd_irq(); + smi_enable_event(SMI_EVENT_DEVTRAP_KBC); + } + outb(0x80, (ticks++) & 0xFF); outlog(); @@ -81,7 +137,14 @@ void gbl_rls_handler(smi_event_t ev) dologf("Got packet: type %08x", packet->type); - *(unsigned long*)0xAFFD4 = 0x2BADD00D; + if (packet->type == 42) { + dump_log((char *)packet->data); + *(unsigned long*)0xAFFD4 = 42; + } else if (packet->type == 0xAA) { + kbd_inject_key('A'); + } else { + *(unsigned long*)0xAFFD4 = 0x2BADD00D; + } } void smi_entry(void) @@ -90,11 +153,14 @@ void smi_entry(void) pcisave = inl(0xCF8); vgasave = inb(0x3D4); + pci_unbother_all(); counter++; sprintf(statstr, "15-412! %08x %08x", smi_status(), counter); strblit(statstr, 0, 0); + eth_poll(); + if (inl(0x840) & 0x1000) { pci_dump(); @@ -104,6 +170,7 @@ void smi_entry(void) smi_poll(); + pci_bother_all(); outl(0xCF8, pcisave); outb(0x3D4, vgasave); }