X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fvmm_stubs.c;h=25f300be437539d5bc0aa8bd6b41c3edf32b471a;hb=c34c7a69079dd6165db965454104f20c7d873c20;hp=a9db9c66accd6b7181b7afc57304e8dec479f7e0;hpb=ebf600fd1dc3b43e8100be168452c6e03b8a2dda;p=palacios.git diff --git a/palacios/src/geekos/vmm_stubs.c b/palacios/src/geekos/vmm_stubs.c index a9db9c6..25f300b 100644 --- a/palacios/src/geekos/vmm_stubs.c +++ b/palacios/src/geekos/vmm_stubs.c @@ -1,18 +1,18 @@ #include #include - +#include 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("Allocating Page: %x (%d of %d)\n",start_page, 1, num_pages); int i = 1; while (i < num_pages) { void * tmp_page = Alloc_Page(); - SerialPrint("Allocating Page: %x (%d of %d)\n",tmp_page, i+1, num_pages); + //SerialPrint("Allocating Page: %x (%d of %d)\n",tmp_page, i+1, num_pages); if (tmp_page != start_page + (PAGE_SIZE * i)) { //we have to start over...; @@ -21,7 +21,7 @@ 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("Allocating Page: %x (%d of %d)\n",start_page, 1, num_pages); i = 1; continue; } @@ -36,11 +36,56 @@ void Free_VMM_Page(void * page) { } -void * VMM_Malloc(uint_t size) { - return Malloc((ulong_t) size); +void * VMM_Malloc(unsigned int size) { + return Malloc((unsigned long) size); } void VMM_Free(void * addr) { Free(addr); } + + + +struct guest_info * irq_map[256]; + +static void pic_intr_handler(struct Interrupt_State * state) { + Begin_IRQ(state); + struct guest_info * info = irq_map[state->intNum - 32]; + SerialPrint("Interrupt %d\n", state->intNum); + + if (info) { + SerialPrint("Calling handler(info=%x)->%x\n", info, info->vm_ops.raise_irq); + info->vm_ops.raise_irq(info, state->intNum - 32, state->errorCode); + } else { + SerialPrint("Interrupt handler error: NULL pointer found, no action taken\n"); + End_IRQ(state); + return; + } + + // End_IRQ(state); +} + + +int hook_irq_stub(struct guest_info * info, int irq) { + if (irq_map[irq]) { + return -1; + } + + SerialPrint("Hooking IRQ: %d (vm=0x%x)\n", irq, info); + irq_map[irq] = info; + Install_IRQ(irq, pic_intr_handler); + Enable_IRQ(irq); + return 0; +} + + +int ack_irq(int irq) { + End_IRQ_num(irq); + return 0; +} + + +void Init_Stubs() { + memset(irq_map, 0, sizeof(struct guest_info *) * 256); +}