From 2600990e640e3bef29ed89d565864cf16ee83833 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 5 Apr 2006 09:45:45 +0100 Subject: [MIPS] kpsd and other AP/SP improvements. Signed-off-by: Ralf Baechle --- include/asm-mips/kspd.h | 36 ++++++++++++++++++++++++++++++++++++ include/asm-mips/mipsmtregs.h | 5 ++++- include/asm-mips/rtlx.h | 38 +++++++++++++++++++++++++------------- include/asm-mips/vpe.h | 37 +++++++++++++++++++++++++++++++++++++ 4 files changed, 102 insertions(+), 14 deletions(-) create mode 100644 include/asm-mips/kspd.h create mode 100644 include/asm-mips/vpe.h (limited to 'include') diff --git a/include/asm-mips/kspd.h b/include/asm-mips/kspd.h new file mode 100644 index 00000000000..4e9e724c893 --- /dev/null +++ b/include/asm-mips/kspd.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + */ + +#ifndef _ASM_KSPD_H +#define _ASM_KSPD_H + +struct kspd_notifications { + void (*kspd_sp_exit)(int sp_id); + + struct list_head list; +}; + +#ifdef CONFIG_MIPS_APSP_KSPD +extern void kspd_notify(struct kspd_notifications *notify); +#else +static inline void kspd_notify(struct kspd_notifications *notify) +{ +} +#endif + +#endif diff --git a/include/asm-mips/mipsmtregs.h b/include/asm-mips/mipsmtregs.h index a669c0702c6..a5ac1a62f4f 100644 --- a/include/asm-mips/mipsmtregs.h +++ b/include/asm-mips/mipsmtregs.h @@ -234,7 +234,7 @@ static inline void __raw_emt(void) __asm__ __volatile__( " .set noreorder \n" " .set mips32r2 \n" - " emt \n" + " .word 0x41600be1 # emt \n" " ehb \n" " .set mips0 \n" " .set reorder"); @@ -364,6 +364,9 @@ do { \ #define read_vpe_c0_ebase() mftc0(15,1) #define write_vpe_c0_ebase(val) mttc0(15, 1, val) #define write_vpe_c0_compare(val) mttc0(11, 0, val) +#define read_vpe_c0_badvaddr() mftc0(8, 0) +#define read_vpe_c0_epc() mftc0(14, 0) +#define write_vpe_c0_epc(val) mttc0(14, 0, val) /* TC */ diff --git a/include/asm-mips/rtlx.h b/include/asm-mips/rtlx.h index 1298c3fdf6c..76cd51c6be3 100644 --- a/include/asm-mips/rtlx.h +++ b/include/asm-mips/rtlx.h @@ -3,32 +3,46 @@ * */ -#ifndef _RTLX_H -#define _RTLX_H_ +#ifndef __ASM_RTLX_H +#define __ASM_RTLX_H_ #define LX_NODE_BASE 10 #define MIPSCPU_INT_BASE 16 #define MIPS_CPU_RTLX_IRQ 0 -#define RTLX_VERSION 1 +#define RTLX_VERSION 2 #define RTLX_xID 0x12345600 #define RTLX_ID (RTLX_xID | RTLX_VERSION) #define RTLX_CHANNELS 8 -#define RTLX_BUFFER_SIZE 1024 +#define RTLX_CHANNEL_STDIO 0 +#define RTLX_CHANNEL_DBG 1 +#define RTLX_CHANNEL_SYSIO 2 -/* - * lx_state bits - */ -#define RTLX_STATE_OPENED 1UL +extern int rtlx_open(int index, int can_sleep); +extern int rtlx_release(int index); +extern ssize_t rtlx_read(int index, void *buff, size_t count, int user); +extern ssize_t rtlx_write(int index, void *buffer, size_t count, int user); +extern unsigned int rtlx_read_poll(int index, int can_sleep); +extern unsigned int rtlx_write_poll(int index); + +enum rtlx_state { + RTLX_STATE_UNUSED, + RTLX_STATE_INITIALISED, + RTLX_STATE_REMOTE_READY, + RTLX_STATE_OPENED +}; + +#define RTLX_BUFFER_SIZE 1024 /* each channel supports read and write. linux (vpe0) reads lx_buffer and writes rt_buffer SP (vpe1) reads rt_buffer and writes lx_buffer */ struct rtlx_channel { - unsigned long lx_state; + enum rtlx_state rt_state; + enum rtlx_state lx_state; int buffer_size; @@ -38,15 +52,13 @@ struct rtlx_channel { int lx_write, lx_read; char *lx_buffer; - - void *queues; - }; struct rtlx_info { unsigned long id; + enum rtlx_state state; struct rtlx_channel channel[RTLX_CHANNELS]; }; -#endif /* _RTLX_H_ */ +#endif /* __ASM_RTLX_H_ */ diff --git a/include/asm-mips/vpe.h b/include/asm-mips/vpe.h new file mode 100644 index 00000000000..c6e1b961537 --- /dev/null +++ b/include/asm-mips/vpe.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved. + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + */ + +#ifndef _ASM_VPE_H +#define _ASM_VPE_H + +struct vpe_notifications { + void (*start)(int vpe); + void (*stop)(int vpe); + + struct list_head list; +}; + + +extern int vpe_notify(int index, struct vpe_notifications *notify); + +extern void *vpe_get_shared(int index); +extern int vpe_getuid(int index); +extern int vpe_getgid(int index); +extern char *vpe_getcwd(int index); + +#endif /* _ASM_VPE_H */ -- cgit v1.2.3