X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fvmm_stubs.c;h=15ae58902d425a2ce0f45b641be20eebab661f28;hb=645c766b13d15fd70cd360e577eac1f62e07149f;hp=6a436b84be08f12ac26c31b6cff8655b167cee83;hpb=4b013fe3750a387fc034352a7e4379f025dad7c2;p=palacios-OLD.git diff --git a/palacios/src/geekos/vmm_stubs.c b/palacios/src/geekos/vmm_stubs.c index 6a436b8..15ae589 100644 --- a/palacios/src/geekos/vmm_stubs.c +++ b/palacios/src/geekos/vmm_stubs.c @@ -1,13 +1,43 @@ #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; }; void * Allocate_VMM_Pages(int num_pages) { void * start_page = Alloc_Page(); - //SerialPrint("Allocating Page: %x (%d of %d)\n",start_page, 1, num_pages); + //SerialPrint("Starting by Allocating Page: %x (%d of %d)\n",start_page, 1, num_pages); int i = 1; while (i < num_pages) { @@ -21,7 +51,7 @@ void * Allocate_VMM_Pages(int num_pages) { i--; } start_page = Alloc_Page(); - //SerialPrint("Allocating Page: %x (%d of %d)\n",start_page, 1, num_pages); + //SerialPrint("Starting over by Allocating Page: %x (%d of %d)\n",start_page, 1, num_pages); i = 1; continue; } @@ -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); @@ -73,6 +103,9 @@ 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; + Disable_IRQ(irq); Install_IRQ(irq, pic_intr_handler); Enable_IRQ(irq); return 0; @@ -88,3 +121,15 @@ 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; +} +