#include <geekos/vm.h>
#include <geekos/screen.h>
+#include <devices/generic.h>
#include <devices/nvram.h>
#include <devices/timer.h>
#include <devices/simple_pic.h>
+int passthrough_mem_read(addr_t guest_addr, void * dst, uint_t length, void * priv_data) {
+ memcpy(dst, (void*)guest_addr, length);
+ return length;
+}
+
+int passthrough_mem_write(addr_t guest_addr, void * src, uint_t length, void * priv_data) {
+ memcpy((void*)guest_addr, src, length);
+ return length;
+}
+
+
/* We need a configuration mechanism, so we can wrap this completely inside the VMM code,
* with no pollution into the HOST OS
init_shadow_map(&(vm_info.mem_map));
init_shadow_page_state(&(vm_info.shdw_pg_state));
v3_init_time(&(vm_info.time_state));
- vm_info.page_mode = SHADOW_PAGING;
+ vm_info.shdw_pg_mode = SHADOW_PAGING;
vm_info.cpu_mode = REAL;
+ vm_info.mem_mode = PHYSICAL_MEM;
//init_irq_map(&(vm_info.irq_map));
init_vmm_io_map(&(vm_info.io_map));
//
add_shadow_region_passthrough(&vm_info, 0x0, 0xa0000, (addr_t)Allocate_VMM_Pages(160));
- add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000);
+ add_shadow_region_passthrough(&vm_info, 0xa0000, 0xc0000, 0xa0000);
+ //hook_guest_mem(&vm_info, 0xa0000, 0xc0000, passthrough_mem_read, passthrough_mem_write, NULL);
// TEMP
//add_shadow_region_passthrough(&vm_info, 0x100000, 0x2000000, (addr_t)Allocate_VMM_Pages(8192));
add_shadow_region_passthrough(&vm_info, 0x100000, 0x1000000, (addr_t)Allocate_VMM_Pages(4096));
+ // test - give linux accesss to PCI space - PAD
+ add_shadow_region_passthrough(&vm_info, 0xc0000000,0xffffffff,0xc0000000);
+
print_shadow_map(&(vm_info.mem_map));
hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_Write_to_Serial, NULL);
{
+
struct vm_device * nvram = create_nvram();
//struct vm_device * timer = create_timer();
struct vm_device * pic = create_pic();
- //struct vm_device * keyboard = create_keyboard();
- struct vm_device * pit = create_pit();
+ struct vm_device * keyboard = create_keyboard();
+ struct vm_device * pit = create_pit();
+
+
+#define GENERIC 1
+
+#if GENERIC
+ generic_port_range_type range[] = {
+ /*
+ {0x00, 0x07, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channels 0,1,2,3 (address, counter)
+ {0xc0, 0xc7, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channels 4,5,6,7 (address, counter)
+ {0x87, 0x87, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 0 page register
+ {0x83, 0x83, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 1 page register
+ {0x81, 0x81, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 2 page register
+ {0x82, 0x82, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 channel 3 page register
+ {0x8f, 0x8f, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 4 page register
+ {0x8b, 0x8b, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 5 page register
+ {0x89, 0x89, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 6 page register
+ {0x8a, 0x8a, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 channel 7 page register
+ {0x08, 0x0f, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 1 misc registers (csr, req, smask,mode,clearff,reset,enable,mmask)
+ {0xd0, 0xde, GENERIC_PRINT_AND_PASSTHROUGH}, // DMA 2 misc registers
+ */
+ {0x3f8, 0x3f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 1
+ {0x2f8, 0x2f8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
+ {0x3e8, 0x3e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
+ {0x2e8, 0x2e8+7, GENERIC_PRINT_AND_IGNORE}, // COM 2
+
+ {0x170, 0x178, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
+ {0x376, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 1
+ {0x1f0, 0x1f8, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
+ {0x3f6, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // IDE 0
+ /*
+ {0x3f0, 0x3f2, GENERIC_PRINT_AND_PASSTHROUGH}, // Primary floppy controller (base,statusa/statusb,DOR)
+ {0x3f4, 0x3f5, GENERIC_PRINT_AND_PASSTHROUGH}, // Primary floppy controller (mainstat/datarate,data)
+ {0x3f7, 0x3f7, GENERIC_PRINT_AND_PASSTHROUGH}, // Primary floppy controller (DIR)
+ {0x370, 0x372, GENERIC_PRINT_AND_PASSTHROUGH}, // Secondary floppy controller (base,statusa/statusb,DOR)
+ {0x374, 0x375, GENERIC_PRINT_AND_PASSTHROUGH}, // Secondary floppy controller (mainstat/datarate,data)
+ {0x377, 0x377, GENERIC_PRINT_AND_PASSTHROUGH}, // Secondary floppy controller (DIR)
+ {0x378, 0x400, GENERIC_PRINT_AND_PASSTHROUGH}
+ */
+ };
+
+ struct vm_device * generic = create_generic(range,4, // THIS NUMBER IS CRITICAL
+ NULL,0,NULL,0);
+
+#endif
attach_device(&(vm_info), nvram);
//attach_device(&(vm_info), timer);
attach_device(&(vm_info), pic);
attach_device(&(vm_info), pit);
- //attach_device(&(vm_info), keyboard);
+ attach_device(&(vm_info), keyboard);
+
+
+#if GENERIC
+ // Important that this be attached last!
+ attach_device(&(vm_info), generic);
+
+#endif
PrintDebugDevMgr(&(vm_info.dev_mgr));
}
// give keyboard interrupts to vm
+ // no longer needed since we have a keyboard device
//hook_irq(&vm_info, 1);
+#if 0
// give floppy controller to vm
hook_irq(&vm_info, 6);
- // primary ide
+
+ //primary ide
hook_irq(&vm_info, 14);
// secondary ide
hook_irq(&vm_info, 15);
+#endif
vm_info.rip = 0xfff0;
vm_info.vm_regs.rsp = 0x0;
}
+
PrintBoth("Initializing Guest (eip=0x%.8x) (esp=0x%.8x)\n", (uint_t)vm_info.rip,(uint_t)vm_info.vm_regs.rsp);
(vmm_ops).init_guest(&vm_info);
PrintBoth("Starting Guest\n");
