xref: /kvmtool/x86/interrupt.c (revision f3150089290c543bc9792248af73f9103a5847d5)
1eda03319SPekka Enberg #include "kvm/interrupt.h"
2eda03319SPekka Enberg 
3*f3150089SPekka Enberg #include "kvm/util.h"
4b1b71cd9SCyrill Gorcunov 
506f82371SPekka Enberg #include <string.h>
606f82371SPekka Enberg 
7da8883c1SPekka Enberg void interrupt_table__copy(struct interrupt_table *self, void *dst, unsigned int size)
8b1b71cd9SCyrill Gorcunov {
9da8883c1SPekka Enberg 	if (size < sizeof(self->entries))
10b1b71cd9SCyrill Gorcunov 		die("An attempt to overwrite host memory");
11da8883c1SPekka Enberg 
12da8883c1SPekka Enberg 	memcpy(dst, self->entries, sizeof(self->entries));
13b1b71cd9SCyrill Gorcunov }
14b1b71cd9SCyrill Gorcunov 
154b62331fSPekka Enberg void interrupt_table__setup(struct interrupt_table *self, struct ivt_entry *entry)
16ea684828SCyrill Gorcunov {
17ea684828SCyrill Gorcunov 	unsigned int i;
18ea684828SCyrill Gorcunov 
19ea684828SCyrill Gorcunov 	for (i = 0; i < IVT_VECTORS; i++)
204b62331fSPekka Enberg 		self->entries[i] = *entry;
21ea684828SCyrill Gorcunov }
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