It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00
commit 52a3801208
2025 changed files with 472889 additions and 0 deletions
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+/* 
+** Copyright 2001, Travis Geiselbrecht. All rights reserved.
+** Distributed under the terms of the NewOS License.
+*/
+#ifndef _VCPU_H
+#define _VCPU_H
+
+#include <boot/stage2.h>
+
+// layout of the iframe is defined in boot/sh4/vcpu.S
+struct iframe {
+	unsigned int page_fault_addr;
+	unsigned int excode;
+	unsigned int spc;
+	unsigned int ssr;
+	unsigned int sgr;
+	unsigned int pr;
+	unsigned int macl;
+	unsigned int mach;
+	unsigned int gbr;
+	unsigned int fpscr;
+	unsigned int fpul;
+
+	float	fr15_1;
+	float	fr14_1;
+	float	fr13_1;
+	float	fr12_1;
+	float	fr11_1;
+	float	fr10_1;
+	float	fr9_1;
+	float	fr8_1;
+	float	fr7_1;
+	float	fr6_1;
+	float	fr5_1;
+	float	fr4_1;
+	float	fr3_1;
+	float	fr2_1;
+	float	fr1_1;
+	float	fr0_1;
+
+	float	fr15_0;
+	float	fr14_0;
+	float	fr13_0;
+	float	fr12_0;
+	float	fr11_0;
+	float	fr10_0;
+	float	fr9_0;
+	float	fr8_0;
+	float	fr7_0;
+	float	fr6_0;
+	float	fr5_0;
+	float	fr4_0;
+	float	fr3_0;
+	float	fr2_0;
+	float	fr1_0;
+	float	fr0_0;
+
+	unsigned int r7;	
+	unsigned int r6;	
+	unsigned int r5;	
+	unsigned int r4;	
+	unsigned int r3;	
+	unsigned int r2;	
+	unsigned int r1;	
+	unsigned int r0;	
+	unsigned int r14;	
+	unsigned int r13;	
+	unsigned int r12;	
+	unsigned int r11;	
+	unsigned int r10;	
+	unsigned int r9;	
+	unsigned int r8;	
+};
+
+// page table structures
+struct pdent {
+	unsigned int v:1;
+	unsigned int unused0:11;
+	unsigned int ppn:17;
+	unsigned int unused1:3;
+};
+
+struct ptent {
+	unsigned int v:1;
+	unsigned int d:1;
+	unsigned int sh:1;
+	unsigned int sz:2;
+	unsigned int c:1;
+	unsigned int tlb_ent:6;
+	unsigned int ppn:17;
+	unsigned int pr:2;
+	unsigned int wt:1;
+};
+
+// soft faults
+#define EXCEPTION_PAGE_FAULT_READ 0xfe
+#define EXCEPTION_PAGE_FAULT_WRITE 0xff
+
+// can only be used in stage2
+int vcpu_init(kernel_args *ka);
+
+#endif
+