X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=geekos%2Finclude%2Fgeekos%2Fvmm_stubs.h;fp=geekos%2Finclude%2Fgeekos%2Fvmm_stubs.h;h=d2d0ce45d148f5597b400007ee3fe60d1107d663;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3 diff --git a/geekos/include/geekos/vmm_stubs.h b/geekos/include/geekos/vmm_stubs.h new file mode 100644 index 0000000..d2d0ce4 --- /dev/null +++ b/geekos/include/geekos/vmm_stubs.h @@ -0,0 +1,115 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + +#ifndef __VMM_STUBS_H +#define __VMM_STUBS_H + + +#include +#include + + +struct guest_info; + + + + +void * Allocate_VMM_Pages(int num_pages); +void Free_VMM_Page(void * page); + +void * VMM_Malloc(unsigned int size); +void VMM_Free(void * addr); + +void * Identity(void *addr); + + + + +int hook_irq_stub(struct guest_info * info, int irq); +int ack_irq(int irq); + + + +int geekos_hook_interrupt(struct guest_info * info, uint_t irq); + + + +unsigned int get_cpu_khz(); + +void Init_Stubs(struct guest_info * info); + + + + +/**** + * + * stubs called by geekos.... + * + ***/ +void send_key_to_vmm(unsigned char status, unsigned char scancode); +void send_mouse_to_vmm(unsigned char packet[3]); +void send_tick_to_vmm(unsigned int period_us); + + +#if 0 + +# define do_div(n,base) ({ \ + uint32_t __base = (base); \ + uint32_t __rem; \ + __rem = ((uint64_t)(n)) % __base; \ + (n) = ((uint64_t)(n)) / __base; \ + __rem; \ + }) + +#else + +/* + * do_div() is NOT a C function. It wants to return + * two values (the quotient and the remainder), but + * since that doesn't work very well in C, what it + * does is: + * + * - modifies the 64-bit dividend _in_place_ + * - returns the 32-bit remainder + * + * This ends up being the most efficient "calling + * convention" on x86. + */ +#define do_div(n,base) ({ \ + unsigned long __upper, __low, __high, __mod, __base; \ + __base = (base); \ + asm("":"=a" (__low), "=d" (__high):"A" (n)); \ + __upper = __high; \ + if (__high) { \ + __upper = __high % (__base); \ + __high = __high / (__base); \ + } \ + asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper)); \ + asm("":"=A" (n):"a" (__low),"d" (__high)); \ + __mod; \ + }) + +#endif + + + + + + +#endif