X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fdos%2Fcdpmi.h;fp=src%2Fdos%2Fcdpmi.h;h=9ce64e19c00545675a1ce356ce262382a1e23fd9;hb=0165ec15f868a16a70b56ada2d42db0cb69ea193;hp=0000000000000000000000000000000000000000;hpb=a1f76b7a26c675e16cb78fecc9b6a1c0fc9c05c3;p=dosdemo

diff --git a/src/dos/cdpmi.h b/src/dos/cdpmi.h
new file mode 100644
index 0000000..9ce64e1
--- /dev/null
+++ b/src/dos/cdpmi.h
@@ -0,0 +1,44 @@
+#ifndef DPMI_H_
+#define DPMI_H_
+
+#ifdef __DJGPP__
+#include <dpmi.h>
+#endif
+
+#include "inttypes.h"
+
+struct dpmi_real_regs {
+	uint32_t edi, esi, ebp;
+	uint32_t reserved;
+	uint32_t ebx, edx, ecx, eax;
+	uint16_t flags;
+	uint16_t es, ds, fs, gs;
+	uint16_t ip, cs, sp, ss;
+};
+
+uint16_t dpmi_alloc(unsigned int par, uint16_t *sel);
+void dpmi_free(uint16_t sel);
+
+#ifdef __WATCOMC__
+#pragma aux dpmi_alloc = \
+		"mov eax, 0x100" \
+		"int 0x31" \
+		"mov [edi], dx" \
+		value[ax] parm[ebx][edi];
+
+#pragma aux dpmi_free = \
+		"mov eax, 0x101" \
+		"int 0x31" \
+		parm[dx];
+
+void dpmi_real_int(int inum, struct dpmi_real_regs *regs);
+#endif	/* __WATCOMC__ */
+
+#ifdef __DJGPP__
+#define dpmi_real_int(inum, regs) __dpmi_int((inum), (__dpmi_regs*)(regs))
+#endif
+
+void *dpmi_mmap(uint32_t phys_addr, unsigned int size);
+void dpmi_munmap(void *addr);
+
+#endif	/* DPMI_H_ */