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author	Theo de Raadt <deraadt@cvs.openbsd.org>	1996-04-24 11:09:01 +0000
committer	Theo de Raadt <deraadt@cvs.openbsd.org>	1996-04-24 11:09:01 +0000
commit	6bbb90fd25d2dcd7a4acdc8969a442fd71b98a06 (patch)
tree	da1eb150bc647bb89c88e694d8714e5193738055 /sys/arch/arm32/fpe-arm
parent	00287be7e84692788588bfeb60508f1022602abb (diff)

Initial import of arm32 port

Diffstat (limited to 'sys/arch/arm32/fpe-arm')

-rw-r--r--

sys/arch/arm32/fpe-arm/armfpe.h

137

-rw-r--r--

sys/arch/arm32/fpe-arm/armfpe.s

7459

-rw-r--r--

sys/arch/arm32/fpe-arm/armfpe_glue.S

411

-rw-r--r--

sys/arch/arm32/fpe-arm/armfpe_init.c

332

4 files changed, 8339 insertions, 0 deletions

diff --git a/sys/arch/arm32/fpe-arm/armfpe.h b/sys/arch/arm32/fpe-arm/armfpe.h
new file mode 100644
index 00000000000..fbcdaf46d10
--- /dev/null
+++ b/sys/arch/arm32/fpe-arm/armfpe.h

@@ -0,0 +1,137 @@

+/*

+ * $NetBSD: armfpe.h,v 1.3 1996/03/18 19:54:53 mark Exp $

+ *

+ * 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. All advertising materials mentioning features or use of this software

+ * must display the following acknowledgement:

+ * This product includes software developed by Brini.

+ * 4. The name of the company nor the name of the author may 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 OR CONTRIBUTORS 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.

+ *

+ * RiscBSD kernel project

+ *

+ * armfpe.h

+ *

+ * Details of functions and structures needed for ARM FP cor

+ * support in RiscBSD

+ *

+ * Created : 04/01/96

+ */

+#ifndef __ARM32_ARM_FPE_H

+#define __ARM32_ARM_FPE_H

+/************************************ Types ***********************************/

+/*

+ * An extended precision floating point number

+ */

+typedef struct {

+ u_int32_t exponent;

+ u_int32_t mantissa_hi;

+ u_int32_t mantissa_lo;

+} fp_extended_precision_t;

+/*

+ * Type for a saved FP context, if we want to translate the context to a

+ * user-readable form

+ */

+typedef struct fp_context_frame {

+ u_int32_t fpsr;

+ fp_extended_precision_t regs[8];

+} fp_context_frame_t;

+/************************************* Module *********************************/

+typedef struct {

+ /*

+ * Addresses of procedures/functions

+ */

+ u_int32_t core_abort_addr;

+ u_int32_t core_initws_addr;

+ u_int32_t core_initcontext_addr;

+ u_int32_t core_changecontext_addr;

+ u_int32_t core_shutdown_addr;

+ u_int32_t core_activatecontext_addr;

+ u_int32_t core_deactivatecontext_addr;

+ u_int32_t core_savecontext_addr;

+ u_int32_t core_loadcontext_addr;

+ u_int32_t core_disable_addr;

+ u_int32_t core_enable_addr;

+ /*

+ * Addresses of things that need to be filled in by the kernel on startup

+ */

+ u_int32_t *main_ws_ptr_addr;

+ u_int32_t *local_handler_ptr_addr;

+ u_int32_t *old_handler_ptr_addr;

+ u_int32_t *exc_handler_ptr_addr;

+ u_int32_t *fp_post_proc_addr;

+ /*

+ * Numbers that the kernel needs - these are not pointers so do not need to

+ * be relocated!

+ */

+ u_int32_t WorkspaceLength;

+ u_int32_t ContextLength;

+} arm_fpe_mod_hdr_t;

+/**************************** Procedures in arm_fpe.c *************************/

+#ifdef _KERNEL

+/* macro to return the FP context for a process */

+#define FP_CONTEXT(p) ((u_int)(((u_char *)(p)->p_addr) + sizeof(struct user)))

+/* Prototypes */

+void arm_fpe_mod_reloc __P((void));

+int arm_fpe_boot __P((void));

+int initialise_arm_fpe __P((cpu_t *cpu));

+void arm_fpe_postproc __P((u_int fpframe, struct trapframe *frame));

+void arm_fpe_exception __P((int exception, u_int pc, u_int fpframe));

+void arm_fpe_core_disable __P((void));

+void arm_fpe_core_enable __P((void));

+u_int arm_fpe_core_initws __P((u_int workspace, int handler1, int handler2));

+u_int arm_fpe_core_abort __P((u_int context, int r12, int pc));

+void arm_fpe_core_initcontext __P((u_int context));

+u_int arm_fpe_core_changecontext __P((u_int context));

+void arm_fpe_core_shutdown __P((void));

+void arm_fpe_core_activatecontext __P((u_int context));

+u_int arm_fpe_core_deactivatecontext __P((void));

+u_int arm_fpe_core_savecontext __P((u_int context, int *savearea, int pc));

+void arm_fpe_core_loadcontext __P((u_int context, int *loadarea));

+void arm_fpe_copycontext __P((u_int c1, u_int c2));

+#endif

diff --git a/sys/arch/arm32/fpe-arm/armfpe.s b/sys/arch/arm32/fpe-arm/armfpe.s
new file mode 100644
index 00000000000..71066caa95e
--- /dev/null
+++ b/sys/arch/arm32/fpe-arm/armfpe.s

@@ -0,0 +1,7459 @@

+/* $NetBSD: armfpe.s,v 1.2 1996/03/18 19:54:55 mark Exp $ */

+/*

+ *

+ * 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. All advertising materials mentioning features or use of this software

+ * must display the following acknowledgement:

+ * This product includes software developed by the RiscBSD kernel team.

+ * 4. The name of the company nor the name of the author may 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