X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fvmm_stubs.c;h=1e6a3a35e7f623b027d97257b9ebbcff7e60a629;hb=77cb02d9352065f780345e876eb104dd44237f66;hp=aae237676aded553b802a7eccfae817bc2b79bc0;hpb=2b1f4ef19d766727f873476861c64339c8836a40;p=palacios-OLD.git diff --git a/palacios/src/geekos/vmm_stubs.c b/palacios/src/geekos/vmm_stubs.c index aae2376..1e6a3a3 100644 --- a/palacios/src/geekos/vmm_stubs.c +++ b/palacios/src/geekos/vmm_stubs.c @@ -1,6 +1,36 @@ #include #include #include +#include + + + +static inline void VM_Out_Byte(ushort_t port, uchar_t value) +{ + __asm__ __volatile__ ( + "outb %b0, %w1" + : + : "a" (value), "Nd" (port) + ); +} + +/* + * Read a byte from an I/O port. + */ +static inline uchar_t VM_In_Byte(ushort_t port) +{ + uchar_t value; + + __asm__ __volatile__ ( + "inb %w1, %b0" + : "=a" (value) + : "Nd" (port) + ); + + return value; +} + + void * Identity(void *addr) { return addr; }; @@ -55,7 +85,7 @@ static void pic_intr_handler(struct Interrupt_State * state) { SerialPrint("Interrupt %d (IRQ=%d)\n", state->intNum, state->intNum - 32); if (info) { - info->vm_ops.raise_irq(info, state->intNum - 32, state->errorCode); + info->vm_ops.raise_irq(info, state->intNum - 32); } else { SerialPrint("Interrupt handler error: NULL pointer found, no action taken\n"); End_IRQ(state); @@ -74,7 +104,11 @@ int hook_irq_stub(struct guest_info * info, int irq) { SerialPrint("Hooking IRQ: %d (vm=0x%x)\n", irq, info); irq_map[irq] = info; volatile void *foo = pic_intr_handler; - foo=0; + + /* This is disabled for the time being */ + foo = 0; + + Disable_IRQ(irq); Install_IRQ(irq, pic_intr_handler); Enable_IRQ(irq); @@ -91,3 +125,15 @@ int ack_irq(int irq) { void Init_Stubs() { memset(irq_map, 0, sizeof(struct guest_info *) * 256); } + + +unsigned int get_cpu_khz() { + extern uint_t cpu_khz_freq; + + unsigned long print_khz = (unsigned long)(cpu_khz_freq & 0xffffffff); + + PrintBoth("Detected %lu.%lu MHz CPU\n", print_khz / 1000, print_khz % 1000); + + return cpu_khz_freq; +} +