ushort_t port;
// Reads data into the IO port (IN, INS)
- int (*read)(ushort_t port, void * dst, uint_t length);
+ int (*read)(ushort_t port, void * dst, uint_t length, void * priv_data);
// Writes data from the IO port (OUT, OUTS)
- int (*write)(ushort_t port, void * src, uint_t length);
+ int (*write)(ushort_t port, void * src, uint_t length, void * priv_data);
+
+ void * priv_data;
struct vmm_io_hook * next;
struct vmm_io_hook * prev;
/* External API */
void hook_io_port(vmm_io_map_t * io_map, uint_t port,
- int (*read)(ushort_t port, void * dst, uint_t length),
- int (*write)(ushort_t port, void * src, uint_t length));
+ int (*read)(ushort_t port, void * dst, uint_t length, void * priv_data),
+ int (*write)(ushort_t port, void * src, uint_t length, void * priv_data),
+ void * priv_data );
void init_vmm_io_map(vmm_io_map_t * io_map);
-int IO_Read(ushort_t port, void * dst, uint_t length) {
+int IO_Read(ushort_t port, void * dst, uint_t length, void * priv_data) {
uchar_t * iter = dst;
uint_t i;
-int IO_Write(ushort_t port, void * src, uint_t length) {
+int IO_Write(ushort_t port, void * src, uint_t length, void * priv_data) {
uchar_t * iter = src;
uint_t i;
}
-int IO_Read_to_Serial(ushort_t port, void * dst, uint_t length) {
+int IO_Read_to_Serial(ushort_t port, void * dst, uint_t length, void * priv_data) {
PrintBoth("Input from Guest on port %d (0x%x) Length=%d\n", port, port, length);
return 0;
int bochs_debug_offset = 0;
-int IO_BOCHS_debug(ushort_t port, void * src, uint_t length) {
+int IO_BOCHS_debug(ushort_t port, void * src, uint_t length, void * priv_data) {
if (!bochs_debug_buf) {
bochs_debug_buf = (char*)Malloc(1024);
}
}
-int IO_Write_to_Serial(ushort_t port, void * src, uint_t length) {
+int IO_Write_to_Serial(ushort_t port, void * src, uint_t length, void * priv_data) {
SerialPrint("Output from Guest on port %d (0x%x) Length=%d\n", port, port, length);
switch (length) {
add_shadow_region_passthrough(&vm_info, 0x0, 0x100000, 0x100000);
- hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write);
- hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial);
+ hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
+ hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
/*
vm_info.cr0 = 0;
print_shadow_map(&(vm_info.mem_map));
- hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write);
- hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial);
+ hook_io_port(&(vm_info.io_map), 0x61, &IO_Read, &IO_Write, NULL);
+ hook_io_port(&(vm_info.io_map), 0x05, &IO_Read, &IO_Write_to_Serial, NULL);
- hook_io_port(&(vm_info.io_map), 0x20, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0x21, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0xa0, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0xa1, &IO_Read, &IO_Write_to_Serial);
+ hook_io_port(&(vm_info.io_map), 0x20, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0x21, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0xa0, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0xa1, &IO_Read, &IO_Write_to_Serial, NULL);
- hook_io_port(&(vm_info.io_map), 0x400, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0x401, &IO_Read, &IO_Write_to_Serial);
- hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_debug);
- hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_Write_to_Serial);
+ hook_io_port(&(vm_info.io_map), 0x400, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0x401, &IO_Read, &IO_Write_to_Serial, NULL);
+ hook_io_port(&(vm_info.io_map), 0x402, &IO_Read, &IO_BOCHS_debug, NULL);
+ hook_io_port(&(vm_info.io_map), 0x403, &IO_Read, &IO_Write_to_Serial, NULL);
vm_info.rip = 0xfff0;
vm_info.vm_regs.rsp = 0x0;
}
- if (hook->read(io_info->port, &(info->vm_regs.rax), read_size) != read_size) {
+ if (hook->read(io_info->port, &(info->vm_regs.rax), read_size, hook->priv_data) != read_size) {
// not sure how we handle errors.....
return -1;
}
// either page fault or gpf...
}
- if (hook->read(io_info->port, (char*)host_addr, read_size) != read_size) {
+ if (hook->read(io_info->port, (char*)host_addr, read_size, hook->priv_data) != read_size) {
// not sure how we handle errors.....
return -1;
}
}
- if (hook->write(io_info->port, &(info->vm_regs.rax), write_size) != write_size) {
+ if (hook->write(io_info->port, &(info->vm_regs.rax), write_size, hook->priv_data) != write_size) {
// not sure how we handle errors.....
return -1;
}
// either page fault or gpf...
}
- if (hook->write(io_info->port, (char*)host_addr, write_size) != write_size) {
+ if (hook->write(io_info->port, (char*)host_addr, write_size, hook->priv_data) != write_size) {
// not sure how we handle errors.....
return -1;
}