bioscall.h

Revision 2, 0.9 kB (checked in by nextime, 2 years ago)
Initial import, branching from morphix svn

Line
1	#ifndef bioscall_h
2	#define bioscall_h
3
4	/* Print some of the interesting parts of a vm86_regs structure. */
5	void dump_regs(struct vm86_regs *regs);
6
7	/* Call vm86 using the given memory block, stopping if we break at a
8	given address. */
9	void do_vm86(struct vm86_struct vm, char memory, unsigned stop_eip);
10
11	/* Memory-map a megabyte at address 0, and copy the kernel's low megabyte
12	into the memory block, returning the result. */
13	unsigned char *vm86_ram_alloc();
14	void vm86_ram_free(unsigned char *ram);
15
16	/* Handle everything, using the memory mapped at address 0. The code that makes
17	the actual code to the bios is stored at segment BIOSCALL_START_SEG, offset
18	BIOSCALL_START_OFS, so expect that area to be destroyed if you use it. */
19	#define BIOSCALL_START_SEG 0x8000
20	#define BIOSCALL_START_OFS 0x0000
21	void bioscall(unsigned char int_no, struct vm86_regs regs, unsigned char mem);
22
23	#endif /* bioscall_h */

Note: See TracBrowser for help on using the browser.