It is accomplished ...
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
ejakowatz
@@ -0,0 +1,25 @@
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/*
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** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
|
||||
*/
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||||
#ifndef _NEWOS_KERNEL_ARCH_SH4_CPU_H
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#define _NEWOS_KERNEL_ARCH_SH4_CPU_H
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#include <arch/cpu.h>
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#include <arch/sh4/sh4.h>
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unsigned int get_fpscr();
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unsigned int get_sr();
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void sh4_context_switch(unsigned int **old_sp, unsigned int *new_sp);
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void sh4_function_caller();
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void sh4_set_kstack(addr kstack);
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void sh4_enter_uspace(addr entry, void *args, addr ustack_top);
|
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void sh4_set_user_pgdir(addr pgdir);
|
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void sh4_invl_page(addr va);
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void sh4_switch_stack_and_call(addr stack, void (*func)(void *), void *arg);
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#define PAGE_SIZE 4096
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|
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#define _BIG_ENDIAN 0
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#define _LITTLE_ENDIAN 1
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#endif
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Executable
+36
@@ -0,0 +1,36 @@
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/* $Id: defs.h,v 1.1 2002/07/09 12:24:34 ejakowatz Exp $
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**
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||||
** Copyright 2001 Brian J. Swetland
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||||
** All rights reserved.
|
||||
**
|
||||
** Redistribution and use in source and binary forms, with or without
|
||||
** modification, are permitted provided that the following conditions
|
||||
** are met:
|
||||
** 1. Redistributions of source code must retain the above copyright
|
||||
** notice, this list of conditions, and the following disclaimer.
|
||||
** 2. Redistributions in binary form must reproduce the above copyright
|
||||
** notice, this list of conditions, and the following disclaimer in the
|
||||
** documentation and/or other materials provided with the distribution.
|
||||
** 3. The name of the author may not be used to endorse or promote products
|
||||
** derived from this software without specific prior written permission.
|
||||
**
|
||||
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
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#ifndef _DEFS_H
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#define _DEFS_H
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typedef unsigned char u1;
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typedef unsigned short u2;
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typedef unsigned int u4;
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#endif
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@@ -0,0 +1,30 @@
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/*
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||||
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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||||
** Distributed under the terms of the NewOS License.
|
||||
*/
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||||
#ifndef _NEWOS_KERNEL_ARCH_SH4_KERNEL_H
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#define _NEWOS_KERNEL_ARCH_SH4_KERNEL_H
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#include <arch/sh4/sh4.h>
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// memory layout
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#define KERNEL_BASE P3_AREA
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#define KERNEL_SIZE P3_AREA_LEN
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#define KERNEL_TOP (KERNEL_BASE + (KERNEL_SIZE - 1))
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/*
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** User space layout is a little special:
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** The user space does not completely cover the space not covered by the kernel.
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** This is accomplished by starting user space at 1Mb and running to 64kb short of kernel space.
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** The lower 1Mb reserved spot makes it easy to find null pointer references and guarantees a
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** region wont be placed there. The 64kb region assures a user space thread cannot pass
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** a buffer into the kernel as part of a syscall that would cross into kernel space.
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*/
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#define USER_BASE (U0_AREA + 0x100000)
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#define USER_SIZE (U0_AREA_LEN - (0x10000 + 0x100000))
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#define USER_TOP (USER_BASE + USER_SIZE)
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#define USER_STACK_REGION (USER_BASE + USER_SIZE - USER_STACK_REGION_SIZE)
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#define USER_STACK_REGION_SIZE 0x10000000
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#endif
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@@ -0,0 +1,11 @@
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/*
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** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _NEWOS_KERNEL_ARCH_SH4_KTYPES_H
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#define _NEWOS_KERNEL_ARCH_SH4_KTYPES_H
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typedef unsigned long addr;
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||||
|
||||
#endif
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|
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@@ -0,0 +1,14 @@
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/*
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** Copyright 2001, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _MMU_H
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#define _MMU_H
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#include <boot/stage2.h>
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|
||||
void mmu_init(kernel_args *ka, unsigned int *next_paddr);
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void mmu_map_page(unsigned int vaddr, unsigned int paddr);
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#endif
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+13
@@ -0,0 +1,13 @@
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/*
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** Copyright 2001, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _RTL8139_PRIV_H
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#define _RTL8139_PRIV_H
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int rtl8139_detect();
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int rtl8139_init();
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void rtl8139_xmit(const char *ptr, int len);
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int rtl8139_rx(char *buf, int buf_len);
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#endif
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Executable
+84
@@ -0,0 +1,84 @@
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||||
/*
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||||
**
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||||
** Naive RealTek 8139C driver for the DC Broadband Adapter. Some
|
||||
** assistance on names of things from the NetBSD-DC sources.
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**
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||||
** (c)2001 Dan Potter
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** License: X11
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**
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*/
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#ifndef _RTL_8139C_H
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#define _RTL_8139C_H
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|
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/* RTL8139C register definitions */
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#define RT_IDR0 0x00 /* Mac address */
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#define RT_MAR0 0x08 /* Multicast filter */
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#define RT_TXSTATUS0 0x10 /* Transmit status (4 32bit regs) */
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#define RT_TXADDR0 0x20 /* Tx descriptors (also 4 32bit) */
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#define RT_RXBUF 0x30 /* Receive buffer start address */
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#define RT_RXEARLYCNT 0x34 /* Early Rx byte count */
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#define RT_RXEARLYSTATUS 0x36 /* Early Rx status */
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#define RT_CHIPCMD 0x37 /* Command register */
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#define RT_RXBUFTAIL 0x38 /* Current address of packet read (queue tail) */
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#define RT_RXBUFHEAD 0x3A /* Current buffer address (queue head) */
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#define RT_INTRMASK 0x3C /* Interrupt mask */
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#define RT_INTRSTATUS 0x3E /* Interrupt status */
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#define RT_TXCONFIG 0x40 /* Tx config */
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||||
#define RT_RXCONFIG 0x44 /* Rx config */
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#define RT_TIMER 0x48 /* A general purpose counter */
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#define RT_RXMISSED 0x4C /* 24 bits valid, write clears */
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#define RT_CFG9346 0x50 /* 93C46 command register */
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#define RT_CONFIG0 0x51 /* Configuration reg 0 */
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#define RT_CONFIG1 0x52 /* Configuration reg 1 */
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||||
#define RT_TIMERINT 0x54 /* Timer interrupt register (32 bits) */
|
||||
#define RT_MEDIASTATUS 0x58 /* Media status register */
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#define RT_CONFIG3 0x59 /* Config register 3 */
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#define RT_CONFIG4 0x5A /* Config register 4 */
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#define RT_MULTIINTR 0x5C /* Multiple interrupt select */
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#define RT_MII_TSAD 0x60 /* Transmit status of all descriptors (16 bits) */
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#define RT_MII_BMCR 0x62 /* Basic Mode Control Register (16 bits) */
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#define RT_MII_BMSR 0x64 /* Basic Mode Status Register (16 bits) */
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#define RT_AS_ADVERT 0x66 /* Auto-negotiation advertisement reg (16 bits) */
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#define RT_AS_LPAR 0x68 /* Auto-negotiation link partner reg (16 bits) */
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#define RT_AS_EXPANSION 0x6A /* Auto-negotiation expansion reg (16 bits) */
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||||
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||||
/* RTL8193C command bits; or these together and write teh resulting value
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into CHIPCMD to execute it. */
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#define RT_CMD_RESET 0x10
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#define RT_CMD_RX_ENABLE 0x08
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#define RT_CMD_TX_ENABLE 0x04
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||||
#define RT_CMD_RX_BUF_EMPTY 0x01
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||||
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||||
/* RTL8139C interrupt status bits */
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#define RT_INT_PCIERR 0x8000 /* PCI Bus error */
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#define RT_INT_TIMEOUT 0x4000 /* Set when TCTR reaches TimerInt value */
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#define RT_INT_RXFIFO_OVERFLOW 0x0040 /* Rx FIFO overflow */
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#define RT_INT_RXFIFO_UNDERRUN 0x0020 /* Packet underrun / link change */
|
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#define RT_INT_RXBUF_OVERFLOW 0x0010 /* Rx BUFFER overflow */
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#define RT_INT_TX_ERR 0x0008
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#define RT_INT_TX_OK 0x0004
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#define RT_INT_RX_ERR 0x0002
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#define RT_INT_RX_OK 0x0001
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|
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/* RTL8139C transmit status bits */
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#define RT_TX_CARRIER_LOST 0x80000000 /* Carrier sense lost */
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#define RT_TX_ABORTED 0x40000000 /* Transmission aborted */
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#define RT_TX_OUT_OF_WINDOW 0x20000000 /* Out of window collision */
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#define RT_TX_STATUS_OK 0x00008000 /* Status ok: a good packet was transmitted */
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#define RT_TX_UNDERRUN 0x00004000 /* Transmit FIFO underrun */
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#define RT_TX_HOST_OWNS 0x00002000 /* Set to 1 when DMA operation is completed */
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#define RT_TX_SIZE_MASK 0x00001fff /* Descriptor size mask */
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||||
|
||||
/* RTL8139C receive status bits */
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#define RT_RX_MULTICAST 0x00008000 /* Multicast packet */
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#define RT_RX_PAM 0x00004000 /* Physical address matched */
|
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#define RT_RX_BROADCAST 0x00002000 /* Broadcast address matched */
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#define RT_RX_BAD_SYMBOL 0x00000020 /* Invalid symbol in 100TX packet */
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#define RT_RX_RUNT 0x00000010 /* Packet size is <64 bytes */
|
||||
#define RT_RX_TOO_LONG 0x00000008 /* Packet size is >4K bytes */
|
||||
#define RT_RX_CRC_ERR 0x00000004 /* CRC error */
|
||||
#define RT_RX_FRAME_ALIGN 0x00000002 /* Frame alignment error */
|
||||
#define RT_RX_STATUS_OK 0x00000001 /* Status ok: a good packet was received */
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||||
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||||
#endif
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@@ -0,0 +1,14 @@
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/*
|
||||
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _SERIAL_H
|
||||
#define _SERIAL_H
|
||||
|
||||
int dprintf(const char *fmt, ...);
|
||||
int serial_init();
|
||||
char serial_putch(const char c);
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||||
void serial_puts(const char *str);
|
||||
|
||||
#endif
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|
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@@ -0,0 +1,152 @@
|
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/*
|
||||
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _SH4_H
|
||||
#define _SH4_H
|
||||
|
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#define P4_AREA 0xe0000000
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#define P4_AREA_LEN 0x20000000
|
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#define P3_AREA 0xc0000000
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#define P3_AREA_LEN (P4_AREA - P3_AREA)
|
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#define P2_AREA 0xa0000000
|
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#define P2_AREA_LEN (P3_AREA - P2_AREA)
|
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#define P1_AREA 0x80000000
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#define P1_AREA_LEN (P2_AREA - P1_AREA)
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#define P0_AREA 0
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#define P0_AREA_LEN (P1_AREA - P0_AREA)
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#define U0_AREA P0_AREA
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#define U0_AREA_LEN P0_AREA_LEN
|
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|
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#define PHYS_MEM_START 0x0c000000
|
||||
#define PHYS_MEM_LEN 0x01000000
|
||||
#define PHYS_MEM_END (PHYS_MEM_START + PHYS_MEM_LEN)
|
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#define P1_PHYS_MEM_START (P1_AREA + PHYS_MEM_START)
|
||||
#define P1_PHYS_MEM_LEN PHYS_MEM_LEN
|
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#define P1_PHYS_MEM_END (P1_PHYS_MEM_START + P1_PHYS_MEM_LEN)
|
||||
|
||||
#define PHYS_ADDR_TO_P1(x) (((unsigned int)(x)) + P1_AREA)
|
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#define PHYS_ADDR_TO_P2(x) (((unsigned int)(x)) + P2_AREA)
|
||||
#define P1_TO_PHYS_ADDR(x) (((unsigned int)(x)) - P1_AREA)
|
||||
|
||||
#define PHYS_ADDR_SIZE (0x1fffffff+1)
|
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|
||||
//#define PAGE_SIZE 4096
|
||||
#define PAGE_SIZE_1K 0
|
||||
#define PAGE_SIZE_4K 1
|
||||
#define PAGE_SIZE_64K 2
|
||||
#define PAGE_SIZE_1M 3
|
||||
|
||||
#define PTEH 0xff000000
|
||||
#define PTEL 0xff000004
|
||||
#define PTEA 0xff000034
|
||||
#define TTB 0xff000008
|
||||
#define TEA 0xff00000c
|
||||
#define MMUCR 0xff000010
|
||||
|
||||
#define UTLB 0xf6000000
|
||||
#define UTLB1 0xf7000000
|
||||
#define UTLB2 0xf3800000
|
||||
#define UTLB_ADDR_SHIFT 0x8
|
||||
#define UTLB_COUNT 64
|
||||
|
||||
struct utlb_addr_array {
|
||||
unsigned int asid: 8;
|
||||
unsigned int valid: 1;
|
||||
unsigned int dirty: 1;
|
||||
unsigned int vpn: 22;
|
||||
};
|
||||
|
||||
struct utlb_data_array_1 {
|
||||
unsigned int wt: 1;
|
||||
unsigned int sh: 1;
|
||||
unsigned int dirty: 1;
|
||||
unsigned int cacheability: 1;
|
||||
unsigned int psize0: 1;
|
||||
unsigned int prot_key: 2;
|
||||
unsigned int psize1: 1;
|
||||
unsigned int valid: 1;
|
||||
unsigned int unused: 1;
|
||||
unsigned int ppn: 19;
|
||||
unsigned int unused2: 3;
|
||||
};
|
||||
|
||||
struct utlb_data_array_2 {
|
||||
unsigned int sa: 2;
|
||||
unsigned int tc: 1;
|
||||
unsigned int unused: 29;
|
||||
};
|
||||
|
||||
struct utlb_data {
|
||||
struct utlb_addr_array a;
|
||||
struct utlb_data_array_1 da1;
|
||||
struct utlb_data_array_2 da2;
|
||||
};
|
||||
|
||||
#define ITLB 0xf2000000
|
||||
#define ITLB1 0xf3000000
|
||||
#define ITLB2 0xf3800000
|
||||
#define ITLB_ADDR_SHIFT 0x8
|
||||
#define ITLB_COUNT 4
|
||||
|
||||
struct itlb_addr_array {
|
||||
unsigned int asid: 8;
|
||||
unsigned int valid: 1;
|
||||
unsigned int unused: 1;
|
||||
unsigned int vpn: 22;
|
||||
};
|
||||
|
||||
struct itlb_data_array_1 {
|
||||
unsigned int unused1: 1;
|
||||
unsigned int sh: 1;
|
||||
unsigned int unused2: 1;
|
||||
unsigned int cacheability: 1;
|
||||
unsigned int psize0: 1;
|
||||
unsigned int unused3: 1;
|
||||
unsigned int prot_key: 1;
|
||||
unsigned int psize1: 1;
|
||||
unsigned int valid: 1;
|
||||
unsigned int unused4: 1;
|
||||
unsigned int ppn: 19;
|
||||
unsigned int unused5: 3;
|
||||
};
|
||||
|
||||
struct itlb_data_array_2 {
|
||||
unsigned int sa: 2;
|
||||
unsigned int tc: 1;
|
||||
unsigned int unused: 29;
|
||||
};
|
||||
|
||||
struct itlb_data {
|
||||
struct itlb_addr_array a;
|
||||
struct itlb_data_array_1 da1;
|
||||
struct itlb_data_array_2 da2;
|
||||
};
|
||||
|
||||
// timer stuff
|
||||
#define TOCR 0xffd80000
|
||||
#define TSTR 0xffd80004
|
||||
#define TCOR0 0xffd80008
|
||||
#define TCNT0 0xffd8000c
|
||||
#define TCR0 0xffd80010
|
||||
#define TCOR1 0xffd80014
|
||||
#define TCNT1 0xffd80018
|
||||
#define TCR1 0xffd8001c
|
||||
#define TCOR2 0xffd80020
|
||||
#define TCNT2 0xffd80024
|
||||
#define TCR2 0xffd80028
|
||||
#define TCPR2 0xffd8002c
|
||||
|
||||
// interrupt controller stuff
|
||||
#define ICR 0xffd00000
|
||||
#define IPRA 0xffd00004
|
||||
#define IPRB 0xffd00008
|
||||
#define IPRC 0xffd0000c
|
||||
|
||||
// cache stuff
|
||||
#define CCR 0xff00001c
|
||||
#define QACR0 0xff000038
|
||||
#define QACR1 0xff00003c
|
||||
|
||||
#endif
|
||||
|
||||
@@ -0,0 +1,19 @@
|
||||
/*
|
||||
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _SH4_STAGE2_H
|
||||
#define _SH4_STAGE2_H
|
||||
|
||||
#include <boot/stage2_struct.h>
|
||||
|
||||
#include <arch/sh4/vcpu_struct.h>
|
||||
|
||||
// kernel args
|
||||
typedef struct {
|
||||
// architecture specific
|
||||
vcpu_struct *vcpu;
|
||||
} arch_kernel_args;
|
||||
|
||||
#endif
|
||||
|
||||
@@ -0,0 +1,17 @@
|
||||
/*
|
||||
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _NEWOS_KERNEL_ARCH_SH4_THREAD_STRUCT_H
|
||||
#define _NEWOS_KERNEL_ARCH_SH4_THREAD_STRUCT_H
|
||||
|
||||
// architecture specific thread info
|
||||
struct arch_thread {
|
||||
unsigned int *sp;
|
||||
};
|
||||
|
||||
struct arch_proc {
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
@@ -0,0 +1,19 @@
|
||||
/*
|
||||
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _SH4_TYPES_H
|
||||
#define _SH4_TYPES_H
|
||||
|
||||
// XXX is this accurate?
|
||||
typedef unsigned long long uint64;
|
||||
typedef long long int64;
|
||||
typedef unsigned int uint32;
|
||||
typedef int int32;
|
||||
typedef unsigned short uint16;
|
||||
typedef short int16;
|
||||
typedef unsigned char uint8;
|
||||
typedef char int8;
|
||||
|
||||
#endif
|
||||
|
||||
@@ -0,0 +1,230 @@
|
||||
/* The ! __SH3E_VARG case is similar to the default gvarargs.h . */
|
||||
|
||||
#if (defined (__SH3E__) || defined (__SH4_SINGLE__) || defined (__SH4__) || defined (__SH4_SINGLE_ONLY__)) && ! defined (__HITACHI__)
|
||||
#define __SH3E_VARG
|
||||
#endif
|
||||
|
||||
/* Define __gnuc_va_list. */
|
||||
|
||||
#ifndef __GNUC_VA_LIST
|
||||
#define __GNUC_VA_LIST
|
||||
|
||||
#ifdef __SH3E_VARG
|
||||
|
||||
typedef long __va_greg;
|
||||
typedef float __va_freg;
|
||||
|
||||
typedef struct {
|
||||
__va_greg * __va_next_o; /* next available register */
|
||||
__va_greg * __va_next_o_limit; /* past last available register */
|
||||
__va_freg * __va_next_fp; /* next available fp register */
|
||||
__va_freg * __va_next_fp_limit; /* last available fp register */
|
||||
__va_greg * __va_next_stack; /* next extended word on stack */
|
||||
} __gnuc_va_list;
|
||||
|
||||
#else /* ! SH3E */
|
||||
|
||||
typedef void *__gnuc_va_list;
|
||||
|
||||
#endif /* ! SH3E */
|
||||
|
||||
#endif /* __GNUC_VA_LIST */
|
||||
|
||||
/* If this is for internal libc use, don't define anything but
|
||||
__gnuc_va_list. */
|
||||
#if defined (_STDARG_H) || defined (_VARARGS_H)
|
||||
|
||||
#ifdef _STDARG_H
|
||||
|
||||
#ifdef __SH3E_VARG
|
||||
|
||||
#define va_start(AP, LASTARG) \
|
||||
__extension__ \
|
||||
({ \
|
||||
(AP).__va_next_fp = (__va_freg *) __builtin_saveregs (); \
|
||||
(AP).__va_next_fp_limit = ((AP).__va_next_fp + \
|
||||
(__builtin_args_info (1) < 8 ? 8 - __builtin_args_info (1) : 0)); \
|
||||
(AP).__va_next_o = (__va_greg *) (AP).__va_next_fp_limit; \
|
||||
(AP).__va_next_o_limit = ((AP).__va_next_o + \
|
||||
(__builtin_args_info (0) < 4 ? 4 - __builtin_args_info (0) : 0)); \
|
||||
(AP).__va_next_stack = (__va_greg *) __builtin_next_arg (LASTARG); \
|
||||
})
|
||||
|
||||
#else /* ! SH3E */
|
||||
|
||||
#define va_start(AP, LASTARG) \
|
||||
((AP) = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
|
||||
|
||||
#endif /* ! SH3E */
|
||||
|
||||
#else /* _VARARGS_H */
|
||||
|
||||
#define va_alist __builtin_va_alist
|
||||
#define va_dcl int __builtin_va_alist;...
|
||||
|
||||
#ifdef __SH3E_VARG
|
||||
|
||||
#define va_start(AP) \
|
||||
__extension__ \
|
||||
({ \
|
||||
(AP).__va_next_fp = (__va_freg *) __builtin_saveregs (); \
|
||||
(AP).__va_next_fp_limit = ((AP).__va_next_fp + \
|
||||
(__builtin_args_info (1) < 8 ? 8 - __builtin_args_info (1) : 0)); \
|
||||
(AP).__va_next_o = (__va_greg *) (AP).__va_next_fp_limit; \
|
||||
(AP).__va_next_o_limit = ((AP).__va_next_o + \
|
||||
(__builtin_args_info (0) < 4 ? 4 - __builtin_args_info (0) : 0)); \
|
||||
(AP).__va_next_stack \
|
||||
= ((__va_greg *) __builtin_next_arg (__builtin_va_alist) \
|
||||
- (__builtin_args_info (0) >= 4 || __builtin_args_info (1) >= 8 \
|
||||
? 1 : 0)); \
|
||||
})
|
||||
|
||||
#else /* ! SH3E */
|
||||
|
||||
#define va_start(AP) ((AP) = (char *) &__builtin_va_alist)
|
||||
|
||||
#endif /* ! SH3E */
|
||||
|
||||
#endif /* _STDARG */
|
||||
|
||||
#ifndef va_end
|
||||
void va_end (__gnuc_va_list); /* Defined in libgcc.a */
|
||||
|
||||
/* Values returned by __builtin_classify_type. */
|
||||
|
||||
enum __va_type_classes {
|
||||
__no_type_class = -1,
|
||||
__void_type_class,
|
||||
__integer_type_class,
|
||||
__char_type_class,
|
||||
__enumeral_type_class,
|
||||
__boolean_type_class,
|
||||
__pointer_type_class,
|
||||
__reference_type_class,
|
||||
__offset_type_class,
|
||||
__real_type_class,
|
||||
__complex_type_class,
|
||||
__function_type_class,
|
||||
__method_type_class,
|
||||
__record_type_class,
|
||||
__union_type_class,
|
||||
__array_type_class,
|
||||
__string_type_class,
|
||||
__set_type_class,
|
||||
__file_type_class,
|
||||
__lang_type_class
|
||||
};
|
||||
|
||||
#endif
|
||||
#define va_end(pvar) ((void)0)
|
||||
|
||||
#ifdef __LITTLE_ENDIAN__
|
||||
#define __LITTLE_ENDIAN_P 1
|
||||
#else
|
||||
#define __LITTLE_ENDIAN_P 0
|
||||
#endif
|
||||
|
||||
#define __SCALAR_TYPE(TYPE) \
|
||||
((TYPE) == __integer_type_class \
|
||||
|| (TYPE) == __char_type_class \
|
||||
|| (TYPE) == __enumeral_type_class)
|
||||
|
||||
/* RECORD_TYPE args passed using the C calling convention are
|
||||
passed by invisible reference. ??? RECORD_TYPE args passed
|
||||
in the stack are made to be word-aligned; for an aggregate that is
|
||||
not word-aligned, we advance the pointer to the first non-reg slot. */
|
||||
|
||||
/* When this is a smaller-than-int integer, using
|
||||
auto-increment in the promoted (SImode) is fastest;
|
||||
however, there is no way to express that is C. Therefore,
|
||||
we use an asm.
|
||||
We want the MEM_IN_STRUCT_P bit set in the emitted RTL, therefore we
|
||||
use unions even when it would otherwise be unnecessary. */
|
||||
|
||||
/* gcc has an extension that allows to use a casted lvalue as an lvalue,
|
||||
But it doesn't work in C++ with -pedantic - even in the presence of
|
||||
__extension__ . We work around this problem by using a reference type. */
|
||||
#ifdef __cplusplus
|
||||
#define __VA_REF &
|
||||
#else
|
||||
#define __VA_REF
|
||||
#endif
|
||||
|
||||
#define __va_arg_sh1(AP, TYPE) __extension__ \
|
||||
({(sizeof (TYPE) == 1 \
|
||||
? ({union {TYPE t; char c;} __t; \
|
||||
__asm("" \
|
||||
: "=r" (__t.c) \
|
||||
: "0" ((((union { int i, j; } *__VA_REF) (AP))++)->i)); \
|
||||
__t.t;}) \
|
||||
: sizeof (TYPE) == 2 \
|
||||
? ({union {TYPE t; short s;} __t; \
|
||||
__asm("" \
|
||||
: "=r" (__t.s) \
|
||||
: "0" ((((union { int i, j; } *__VA_REF) (AP))++)->i)); \
|
||||
__t.t;}) \
|
||||
: sizeof (TYPE) >= 4 || __LITTLE_ENDIAN_P \
|
||||
? (((union { TYPE t; int i;} *__VA_REF) (AP))++)->t \
|
||||
: ((union {TYPE t;TYPE u;}*) ((char *)++(int *__VA_REF)(AP) - sizeof (TYPE)))->t);})
|
||||
|
||||
#ifdef __SH3E_VARG
|
||||
|
||||
#define __PASS_AS_FLOAT(TYPE_CLASS,SIZE) \
|
||||
(TYPE_CLASS == __real_type_class && SIZE == 4)
|
||||
|
||||
#define __TARGET_SH4_P 0
|
||||
|
||||
#if defined(__SH4__) || defined(__SH4_SINGLE__)
|
||||
#undef __PASS_AS_FLOAT
|
||||
#define __PASS_AS_FLOAT(TYPE_CLASS,SIZE) \
|
||||
((TYPE_CLASS == __real_type_class && SIZE <= 8) \
|
||||
|| (TYPE_CLASS == __complex_type_class && SIZE <= 16))
|
||||
#undef __TARGET_SH4_P
|
||||
#define __TARGET_SH4_P 1
|
||||
#endif
|
||||
|
||||
#define va_arg(pvar,TYPE) \
|
||||
__extension__ \
|
||||
({int __type = __builtin_classify_type (* (TYPE *) 0); \
|
||||
void * __result_p; \
|
||||
if (__PASS_AS_FLOAT (__type, sizeof(TYPE))) \
|
||||
{ \
|
||||
if ((pvar).__va_next_fp < (pvar).__va_next_fp_limit) \
|
||||
{ \
|
||||
if (((__type == __real_type_class && sizeof (TYPE) > 4)\
|
||||
|| sizeof (TYPE) > 8) \
|
||||
&& (((int) (pvar).__va_next_fp ^ (int) (pvar).__va_next_fp_limit)\
|
||||
& 4)) \
|
||||
(pvar).__va_next_fp++; \
|
||||
__result_p = &(pvar).__va_next_fp; \
|
||||
} \
|
||||
else \
|
||||
__result_p = &(pvar).__va_next_stack; \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
if ((pvar).__va_next_o + ((sizeof (TYPE) + 3) / 4) \
|
||||
<= (pvar).__va_next_o_limit) \
|
||||
__result_p = &(pvar).__va_next_o; \
|
||||
else \
|
||||
{ \
|
||||
if (sizeof (TYPE) > 4) \
|
||||
if (! __TARGET_SH4_P) \
|
||||
(pvar).__va_next_o = (pvar).__va_next_o_limit; \
|
||||
\
|
||||
__result_p = &(pvar).__va_next_stack; \
|
||||
} \
|
||||
} \
|
||||
__va_arg_sh1(*(void **)__result_p, TYPE);})
|
||||
|
||||
#else /* ! SH3E */
|
||||
|
||||
#define va_arg(AP, TYPE) __va_arg_sh1((AP), TYPE)
|
||||
|
||||
#endif /* SH3E */
|
||||
|
||||
/* Copy __gnuc_va_list into another variable of this type. */
|
||||
#define __va_copy(dest, src) ((dest) = (src))
|
||||
|
||||
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
|
||||
|
||||
@@ -0,0 +1,103 @@
|
||||
/*
|
||||
** 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
|
||||
|
||||
@@ -0,0 +1,22 @@
|
||||
/*
|
||||
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
#ifndef _VCPU_STRUCT_H
|
||||
#define _VCPU_STRUCT_H
|
||||
|
||||
struct vector {
|
||||
int (*func)(void *iframe);
|
||||
};
|
||||
|
||||
typedef struct {
|
||||
unsigned int *kernel_pgdir;
|
||||
unsigned int *user_pgdir;
|
||||
unsigned int kernel_asid;
|
||||
unsigned int user_asid;
|
||||
unsigned int *kstack;
|
||||
struct vector vt[256];
|
||||
} vcpu_struct;
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user