diff options
author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2002-07-22 09:46:48 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2002-07-22 09:46:48 +0000 |
commit | 2b3e9d9b244e279ef5693a7cf5dacc7903164af5 (patch) | |
tree | 955e5242d4d08a8ec747c8350f55003bb9d4b519 /c/src/exec/score/cpu/i386 | |
parent | Remove everything. (diff) | |
download | rtems-2b3e9d9b244e279ef5693a7cf5dacc7903164af5.tar.bz2 |
Remove, moved to cpukit.
Diffstat (limited to 'c/src/exec/score/cpu/i386')
-rw-r--r-- | c/src/exec/score/cpu/i386/.cvsignore | 14 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/ChangeLog | 135 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/Makefile.am | 58 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/asm.h | 138 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/configure.ac | 30 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/cpu.c | 198 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/cpu_asm.S | 274 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/.cvsignore | 2 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/.cvsignore | 2 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/cpu.h | 513 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/i386.h | 244 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/idtr.h | 62 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/interrupts.h | 75 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/registers.h | 184 | ||||
-rw-r--r-- | c/src/exec/score/cpu/i386/rtems/score/types.h | 57 |
15 files changed, 0 insertions, 1986 deletions
diff --git a/c/src/exec/score/cpu/i386/.cvsignore b/c/src/exec/score/cpu/i386/.cvsignore deleted file mode 100644 index d29e5050f5..0000000000 --- a/c/src/exec/score/cpu/i386/.cvsignore +++ /dev/null @@ -1,14 +0,0 @@ -Makefile -Makefile.in -aclocal.m4 -autom4te.cache -config.cache -config.guess -config.log -config.status -config.sub -configure -depcomp -install-sh -missing -mkinstalldirs diff --git a/c/src/exec/score/cpu/i386/ChangeLog b/c/src/exec/score/cpu/i386/ChangeLog deleted file mode 100644 index 5ba423533b..0000000000 --- a/c/src/exec/score/cpu/i386/ChangeLog +++ /dev/null @@ -1,135 +0,0 @@ -2002-07-05 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * configure.ac: RTEMS_TOP(../../../..). - -2002-07-03 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * rtems.S: Remove. - * Makefile.am: Reflect changes above. - -2002-07-01 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * configure.ac: Remove RTEMS_PROJECT_ROOT. - -2002-06-27 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * configure.ac: Add RTEMS_PROG_CCAS - -2002-06-27 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * configure.ac: Use AC_CONFIG_AUX_DIR(../../../..). - Add AC_PROG_RANLIB. - -2002-06-17 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am: Include $(top_srcdir)/../../../automake/*.am. - Use ../../../aclocal. - -2002-03-29 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * rtems/score/idtr.h: New file, extracted from libcpu/cpu.h. - * rtems/score/interrupts.h: New file, extracted from libcpu/cpu.h. - * rtems/score/registers.h: New file, moved from libcpu. - * Makefile.am: Reflect changes above. - * cpu.c: Don't include cpuModel.h, - #include <rtems.h>, - #include <rtems/score/i386types.h>, - #include <rtems/score/idtr.h>. - * rtems/score/cpu.h: Don't include libcpu/cpu.h. - #include <rtems/score/interrupts.h>, - #include <rtems/score/registers.h>. - -2001-04-03 Joel Sherrill <joel@OARcorp.com> - - * Per PR94, all rtems/score/CPUtypes.h are named rtems/score/types.h. - * rtems/score/i386types.h: Removed. - * rtems/score/types.h: New file via CVS magic. - * Makefile.am, rtems/score/cpu.h: Account for name change. - -2002-03-27 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * configure.ac: - AC_INIT(package,_RTEMS_VERSION,_RTEMS_BUGS). - AM_INIT_AUTOMAKE([no-define foreign 1.6]). - * Makefile.am: Remove AUTOMAKE_OPTIONS. - -2001-02-05 Joel Sherrill <joel@OARcorp.com> - - * rtems/Makefile.am, rtems/score/Makefile.am: Removed again. - -2002-01-31 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * rtems/Makefile.am: Removed. - * rtems/score/Makefile.am: Removed. - * configure.ac: Reflect changes above. - * Makefile.am: Reflect changes above. - -2001-01-30 Joel Sherrill <joel@OARcorp.com> - - * Makefile.am: Corrected so .h files from rtems/score/ are installed. - -2002-01-03 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * cpu.c: Include rtems/bspIo.h instead of bspIo.h. - -2001-12-19 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am: Add multilib support. - -2001-11-28 Joel Sherrill <joel@OARcorp.com>, - - This was tracked as PR91. - * rtems/score/cpu.h: Added CPU_PROVIDES_ISR_IS_IN_PROGRESS macro which - is used to specify if the port uses the standard macro for this (FALSE). - A TRUE setting indicates the port provides its own implementation. - -2001-10-11 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * .cvsignore: Add autom4te.cache for autoconf > 2.52. - * configure.in: Remove. - * configure.ac: New file, generated from configure.in by autoupdate. - -2001-09-23 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * rtems/score/Makefile.am: Use 'PREINSTALL_FILES ='. - * Makefile.am: Use 'PREINSTALL_FILES ='. - -2001-02-04 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am, rtems/score/Makefile.am: - Apply include_*HEADERS instead of H_FILES. - -2001-01-03 Joel Sherrill <joel@OARcorp.com> - - * rtems/score/cpu.h: Added _CPU_Initialize_vectors(). - -2000-11-09 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am: Use ... instead of RTEMS_TOPdir in ACLOCAL_AMFLAGS. - -2000-11-02 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am: Switch to ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal. - -2000-10-25 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am: ACLOCAL_AMFLAGS= -I $(RTEMS_TOPdir)/macros. - Switch to GNU canonicalization. - -2000-09-12 Joel Sherrill <joel@OARcorp.com> - - * rtems/score/i386.h: Corrected "#elsif" to be "#elif". - -2000-09-04 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * Makefile.am: Include compile.am. - -2000-08-17 Ralf Corsepius <corsepiu@faw.uni-ulm.de> - - * rtems/score/i386.h: cpu-variant define handling - Rewrite due to introduction of multilib defines. - * asm.h: include cpuopts.h instead of targopts.h - -2000-08-10 Joel Sherrill <joel@OARcorp.com> - - * ChangeLog: New file. diff --git a/c/src/exec/score/cpu/i386/Makefile.am b/c/src/exec/score/cpu/i386/Makefile.am deleted file mode 100644 index efcc908a16..0000000000 --- a/c/src/exec/score/cpu/i386/Makefile.am +++ /dev/null @@ -1,58 +0,0 @@ -## -## $Id$ -## - -ACLOCAL_AMFLAGS = -I ../../../aclocal - -include $(top_srcdir)/../../../automake/multilib.am -include $(top_srcdir)/../../../automake/compile.am -include $(top_srcdir)/../../../automake/lib.am - -$(PROJECT_INCLUDE)/%.h: %.h - $(INSTALL_DATA) $< $@ - -$(PROJECT_INCLUDE): - $(mkinstalldirs) $@ - -$(PROJECT_INCLUDE)/rtems: - $(mkinstalldirs) $@ - -$(PROJECT_INCLUDE)/rtems/score: - $(mkinstalldirs) $@ - -include_HEADERS= asm.h -PREINSTALL_FILES = $(PROJECT_INCLUDE) $(include_HEADERS:%=$(PROJECT_INCLUDE)/%) - -include_rtems_scoredir = $(includedir)/rtems/score -include_rtems_score_HEADERS = \ - rtems/score/cpu.h \ - rtems/score/i386.h \ - rtems/score/types.h \ - rtems/score/interrupts.h \ - rtems/score/registers.h \ - rtems/score/idtr.h - -PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score \ - $(include_rtems_score_HEADERS:%.h=$(PROJECT_INCLUDE)/%.h) - -REL = $(ARCH)/rtems-cpu.rel - -C_FILES = cpu.c -C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o) - -S_FILES = cpu_asm.S -S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o) - -rtems_cpu_rel_OBJECTS = $(C_O_FILES) $(S_O_FILES) - -$(REL): $(rtems_cpu_rel_OBJECTS) - $(make-rel) - -all-local: $(ARCH) $(PREINSTALL_FILES) $(rtems_cpu_rel_OBJECTS) $(REL) \ - $(TMPINSTALL_FILES) - -.PRECIOUS: $(REL) - -EXTRA_DIST = cpu.c cpu_asm.S - -include $(top_srcdir)/../../../automake/local.am diff --git a/c/src/exec/score/cpu/i386/asm.h b/c/src/exec/score/cpu/i386/asm.h deleted file mode 100644 index f1981791a3..0000000000 --- a/c/src/exec/score/cpu/i386/asm.h +++ /dev/null @@ -1,138 +0,0 @@ -/* asm.h - * - * This include file attempts to address the problems - * caused by incompatible flavors of assemblers and - * toolsets. It primarily addresses variations in the - * use of leading underscores on symbols and the requirement - * that register names be preceded by a %. - * - * - * NOTE: The spacing in the use of these macros - * is critical to them working as advertised. - * - * COPYRIGHT: - * - * This file is based on similar code found in newlib available - * from ftp.cygnus.com. The file which was used had no copyright - * notice. This file is freely distributable as long as the source - * of the file is noted. This file is: - * - * COPYRIGHT (c) 1994-1997. - * On-Line Applications Research Corporation (OAR). - * - * $Id$ - */ - -#ifndef __i386_ASM_h -#define __i386_ASM_h - -/* - * Indicate we are in an assembly file and get the basic CPU definitions. - */ - -#ifndef ASM -#define ASM -#endif -#include <rtems/score/cpuopts.h> -#include <rtems/score/i386.h> - -/* - * Recent versions of GNU cpp define variables which indicate the - * need for underscores and percents. If not using GNU cpp or - * the version does not support this, then you will obviously - * have to define these as appropriate. - */ - -/* - * Looks like there is a bug in gcc 2.6.2 where this is not - * defined correctly when configured as i386-coff and - * i386-aout. - */ - -#undef __REGISTER_PREFIX__ -#define __REGISTER_PREFIX__ % - -/* -#ifndef __REGISTER_PREFIX__ -#define __REGISTER_PREFIX__ -#endif -*/ - -/* ANSI concatenation macros. */ - -#define CONCAT1(a, b) CONCAT2(a, b) -#define CONCAT2(a, b) a ## b - -/* Use the right prefix for global labels. */ - -#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) - -/* Use the right prefix for registers. */ - -#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x) - -#define eax REG (eax) -#define ebx REG (ebx) -#define ecx REG (ecx) -#define edx REG (edx) -#define esi REG (esi) -#define edi REG (edi) -#define esp REG (esp) -#define ebp REG (ebp) -#define cr0 REG (cr0) - -#define ax REG (ax) -#define bx REG (bx) -#define cx REG (cx) -#define dx REG (dx) -#define si REG (si) -#define di REG (di) -#define sp REG (sp) -#define bp REG (bp) - -#define ah REG (ah) -#define bh REG (bh) -#define ch REG (ch) -#define dh REG (dh) - -#define al REG (al) -#define bl REG (bl) -#define cl REG (cl) -#define dl REG (dl) - -#define cs REG (cs) -#define ds REG (ds) -#define es REG (es) -#define fs REG (fs) -#define gs REG (gs) -#define ss REG (ss) - -/* - * Define macros to handle section beginning and ends. - */ - - -#define BEGIN_CODE_DCL .text -#define END_CODE_DCL -#define BEGIN_DATA_DCL .data -#define END_DATA_DCL -#define BEGIN_CODE .text -#define END_CODE -#define BEGIN_DATA .data -#define END_DATA -#define BEGIN_BSS .bss -#define END_BSS -#define END - -/* - * Following must be tailor for a particular flavor of the C compiler. - * They may need to put underscores in front of the symbols. - */ - -#define PUBLIC(sym) .globl SYM (sym) -#define EXTERN(sym) .globl SYM (sym) - -#endif -/* end of include file */ - - diff --git a/c/src/exec/score/cpu/i386/configure.ac b/c/src/exec/score/cpu/i386/configure.ac deleted file mode 100644 index ce9ddef33e..0000000000 --- a/c/src/exec/score/cpu/i386/configure.ac +++ /dev/null @@ -1,30 +0,0 @@ -## Process this file with autoconf to produce a configure script. -## -## $Id$ - -AC_PREREQ(2.52) -AC_INIT([rtems-c-src-exec-score-cpu-i386],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com]) -AC_CONFIG_SRCDIR([cpu_asm.S]) -RTEMS_TOP(../../../..) -AC_CONFIG_AUX_DIR(../../../..) - -RTEMS_CANONICAL_TARGET_CPU - -AM_INIT_AUTOMAKE([no-define foreign 1.6]) -AM_MAINTAINER_MODE - -RTEMS_ENV_RTEMSCPU - -RTEMS_CHECK_CPU -RTEMS_CANONICAL_HOST - -RTEMS_PROG_CC_FOR_TARGET -RTEMS_PROG_CCAS -RTEMS_CANONICALIZE_TOOLS -AC_PROG_RANLIB - -RTEMS_CHECK_NEWLIB - -# Explicitly list all Makefiles here -AC_CONFIG_FILES([Makefile]) -AC_OUTPUT diff --git a/c/src/exec/score/cpu/i386/cpu.c b/c/src/exec/score/cpu/i386/cpu.c deleted file mode 100644 index b55be879ab..0000000000 --- a/c/src/exec/score/cpu/i386/cpu.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Intel i386 Dependent Source - * - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems.h> -#include <rtems/system.h> -#include <rtems/score/types.h> -#include <rtems/score/isr.h> -#include <rtems/score/idtr.h> - -#include <rtems/bspIo.h> -#include <rtems/score/thread.h> - -/* _CPU_Initialize - * - * This routine performs processor dependent initialization. - * - * INPUT PARAMETERS: - * cpu_table - CPU table to initialize - * thread_dispatch - address of disptaching routine - */ - - -void _CPU_Initialize( - rtems_cpu_table *cpu_table, - void (*thread_dispatch) /* ignored on this CPU */ -) -{ -#if CPU_HARDWARE_FP - register unsigned16 fp_status asm ("ax"); - register void *fp_context; -#endif - - _CPU_Table = *cpu_table; - - /* - * The following code saves a NULL i387 context which is given - * to each task at start and restart time. The following code - * is based upon that provided in the i386 Programmer's - * Manual and should work on any coprocessor greater than - * the i80287. - * - * NOTE: The NO WAIT form of the coprocessor instructions - * MUST be used in case there is not a coprocessor - * to wait for. - */ - -#if CPU_HARDWARE_FP - fp_status = 0xa5a5; - asm volatile( "fninit" ); - asm volatile( "fnstsw %0" : "=a" (fp_status) : "0" (fp_status) ); - - if ( fp_status == 0 ) { - - fp_context = &_CPU_Null_fp_context; - - asm volatile( "fsave (%0)" : "=r" (fp_context) - : "0" (fp_context) - ); - } -#endif - -} - -/*PAGE - * - * _CPU_ISR_Get_level - */ - -unsigned32 _CPU_ISR_Get_level( void ) -{ - unsigned32 level; - - i386_get_interrupt_level( level ); - - return level; -} - -void _CPU_Thread_Idle_body () -{ - while(1){ - asm volatile ("hlt"); - } -} - -void _defaultExcHandler (CPU_Exception_frame *ctx) -{ - unsigned int faultAddr = 0; - printk("----------------------------------------------------------\n"); - printk("Exception %d caught at PC %x by thread %d\n", - ctx->idtIndex, - ctx->eip, - _Thread_Executing->Object.id); - printk("----------------------------------------------------------\n"); - printk("Processor execution context at time of the fault was :\n"); - printk("----------------------------------------------------------\n"); - printk(" EAX = %x EBX = %x ECX = %x EDX = %x\n", - ctx->eax, ctx->ebx, ctx->ecx, ctx->edx); - printk(" ESI = %x EDI = %x EBP = %x ESP = %x\n", - ctx->esi, ctx->edi, ctx->ebp, ctx->esp0); - printk("----------------------------------------------------------\n"); - printk("Error code pushed by processor itself (if not 0) = %x\n", - ctx->faultCode); - printk("----------------------------------------------------------\n"); - if (ctx->idtIndex == I386_EXCEPTION_PAGE_FAULT){ - faultAddr = i386_get_cr2(); - printk("Page fault linear address (CR2) = %x\n", faultAddr); - printk("----------------------------------------------------------\n\n"); - } - if (_ISR_Nest_level > 0) { - /* - * In this case we shall not delete the task interrupted as - * it has nothing to do with the fault. We cannot return either - * because the eip points to the faulty instruction so... - */ - printk("Exception while executing ISR!!!. System locked\n"); - _CPU_Fatal_halt(faultAddr); - } - else { - /* - * OK I could probably use a simplified version but at least this - * should work. - */ - printk(" ************ FAULTY THREAD WILL BE DELETED **************\n"); - rtems_task_delete(_Thread_Executing->Object.id); - } -} - -cpuExcHandlerType _currentExcHandler = _defaultExcHandler; - -extern void rtems_exception_prologue_0(); -extern void rtems_exception_prologue_1(); -extern void rtems_exception_prologue_2(); -extern void rtems_exception_prologue_3(); -extern void rtems_exception_prologue_4(); -extern void rtems_exception_prologue_5(); -extern void rtems_exception_prologue_6(); -extern void rtems_exception_prologue_7(); -extern void rtems_exception_prologue_8(); -extern void rtems_exception_prologue_9(); -extern void rtems_exception_prologue_10(); -extern void rtems_exception_prologue_11(); -extern void rtems_exception_prologue_12(); -extern void rtems_exception_prologue_13(); -extern void rtems_exception_prologue_14(); -extern void rtems_exception_prologue_16(); -extern void rtems_exception_prologue_17(); -extern void rtems_exception_prologue_18(); - -static rtems_raw_irq_hdl tbl[] = { - rtems_exception_prologue_0, - rtems_exception_prologue_1, - rtems_exception_prologue_2, - rtems_exception_prologue_3, - rtems_exception_prologue_4, - rtems_exception_prologue_5, - rtems_exception_prologue_6, - rtems_exception_prologue_7, - rtems_exception_prologue_8, - rtems_exception_prologue_9, - rtems_exception_prologue_10, - rtems_exception_prologue_11, - rtems_exception_prologue_12, - rtems_exception_prologue_13, - rtems_exception_prologue_14, - rtems_exception_prologue_16, - rtems_exception_prologue_17, - rtems_exception_prologue_18, -}; - -void rtems_exception_init_mngt() -{ - unsigned int i,j; - interrupt_gate_descriptor *currentIdtEntry; - unsigned limit; - unsigned level; - - i = sizeof(tbl) / sizeof (rtems_raw_irq_hdl); - - i386_get_info_from_IDTR (¤tIdtEntry, &limit); - - _CPU_ISR_Disable(level); - for (j = 0; j < i; j++) { - create_interrupt_gate_descriptor (¤tIdtEntry[j], tbl[j]); - } - _CPU_ISR_Enable(level); -} - diff --git a/c/src/exec/score/cpu/i386/cpu_asm.S b/c/src/exec/score/cpu/i386/cpu_asm.S deleted file mode 100644 index 85316e357a..0000000000 --- a/c/src/exec/score/cpu/i386/cpu_asm.S +++ /dev/null @@ -1,274 +0,0 @@ -/* cpu_asm.s - * - * This file contains all assembly code for the Intel i386 implementation - * of RTEMS. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <asm.h> - -/* - * Format of i386 Register structure - */ - -.set REG_EFLAGS, 0 -.set REG_ESP, REG_EFLAGS + 4 -.set REG_EBP, REG_ESP + 4 -.set REG_EBX, REG_EBP + 4 -.set REG_ESI, REG_EBX + 4 -.set REG_EDI, REG_ESI + 4 -.set SIZE_REGS, REG_EDI + 4 - - BEGIN_CODE - -/* - * void _CPU_Context_switch( run_context, heir_context ) - * - * This routine performs a normal non-FP context. - */ - - .p2align 1 - PUBLIC (_CPU_Context_switch) - -.set RUNCONTEXT_ARG, 4 # save context argument -.set HEIRCONTEXT_ARG, 8 # restore context argument - -SYM (_CPU_Context_switch): - movl RUNCONTEXT_ARG(esp),eax # eax = running threads context - pushf # push eflags - popl REG_EFLAGS(eax) # save eflags - movl esp,REG_ESP(eax) # save stack pointer - movl ebp,REG_EBP(eax) # save base pointer - movl ebx,REG_EBX(eax) # save ebx - movl esi,REG_ESI(eax) # save source register - movl edi,REG_EDI(eax) # save destination register - - movl HEIRCONTEXT_ARG(esp),eax # eax = heir threads context - -restore: - pushl REG_EFLAGS(eax) # push eflags - popf # restore eflags - movl REG_ESP(eax),esp # restore stack pointer - movl REG_EBP(eax),ebp # restore base pointer - movl REG_EBX(eax),ebx # restore ebx - movl REG_ESI(eax),esi # restore source register - movl REG_EDI(eax),edi # restore destination register - ret - -/* - * NOTE: May be unnecessary to reload some registers. - */ - -/* - * void _CPU_Context_restore( new_context ) - * - * This routine performs a normal non-FP context. - */ - - PUBLIC (_CPU_Context_restore) - -.set NEWCONTEXT_ARG, 4 # context to restore argument - -SYM (_CPU_Context_restore): - - movl NEWCONTEXT_ARG(esp),eax # eax = running threads context - jmp restore - -/*PAGE - * void _CPU_Context_save_fp_context( &fp_context_ptr ) - * void _CPU_Context_restore_fp_context( &fp_context_ptr ) - * - * This section is used to context switch an i80287, i80387, - * the built-in coprocessor or the i80486 or compatible. - */ - -.set FPCONTEXT_ARG, 4 # FP context argument - - .p2align 1 - PUBLIC (_CPU_Context_save_fp) -SYM (_CPU_Context_save_fp): - movl FPCONTEXT_ARG(esp),eax # eax = &ptr to FP context area - movl (eax),eax # eax = FP context area - fsave (eax) # save FP context - ret - - .p2align 1 - PUBLIC (_CPU_Context_restore_fp) -SYM (_CPU_Context_restore_fp): - movl FPCONTEXT_ARG(esp),eax # eax = &ptr to FP context area - movl (eax),eax # eax = FP context area - frstor (eax) # restore FP context - ret - - PUBLIC (_Exception_Handler) -SYM (_Exception_Handler): - pusha # Push general purpose registers - pushl esp # Push exception frame address - movl _currentExcHandler, eax # Call function storead in _currentExcHandler - call * eax - addl $4, esp - popa # restore general purpose registers - addl $8, esp # skill vector number and faultCode - iret - -#define DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY(_vector) \ - .p2align 4 ; \ - PUBLIC (rtems_exception_prologue_ ## _vector ) ; \ -SYM (rtems_exception_prologue_ ## _vector ): \ - pushl $ _vector ; \ - jmp SYM (_Exception_Handler) ; - -#define DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY(_vector) \ - .p2align 4 ; \ - PUBLIC (rtems_exception_prologue_ ## _vector ) ; \ -SYM (rtems_exception_prologue_ ## _vector ): \ - pushl $ 0 ; \ - pushl $ _vector ; \ - jmp SYM (_Exception_Handler) ; - -/* - * Divide Error - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (0) -/* - * Debug Exception - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (1) -/* - * NMI - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (2) -/* - * Breakpoint - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (3) -/* - * Overflow - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (4) -/* - * Bound Range Exceeded - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (5) -/* - * Invalid Opcode - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (6) -/* - * No Math Coproc - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (7) -/* - * Double Fault - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (8) -/* - * Coprocessor segment overrun - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (9) -/* - * Invalid TSS - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (10) -/* - * Segment Not Present - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (11) -/* - * Stack segment Fault - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (12) -/* - * General Protection Fault - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (13) -/* - * Page Fault - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (14) -/* - * Floating point error (NB 15 is reserved it is therefor skipped) - */ -DISTINCT_EXCEPTION_WITHOUT_FAULTCODE_ENTRY (16) -/* - * Aligment Check - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (17) -/* - * Machine Check - */ -DISTINCT_EXCEPTION_WITH_FAULTCODE_ENTRY (18) - - -/* - * void *i386_Logical_to_physical( - * rtems_unsigned16 segment, - * void *address - * ); - * - * Returns thirty-two bit physical address for segment:address. - */ - -.set SEGMENT_ARG, 4 -.set ADDRESS_ARG, 8 - - PUBLIC (i386_Logical_to_physical) - -SYM (i386_Logical_to_physical): - - xorl eax,eax # clear eax - movzwl SEGMENT_ARG(esp),ecx # ecx = segment value - movl $ SYM (_Global_descriptor_table),edx - # edx = address of our GDT - addl ecx,edx # edx = address of desired entry - movb 7(edx),ah # ah = base 31:24 - movb 4(edx),al # al = base 23:16 - shll $16,eax # move ax into correct bits - movw 2(edx),ax # ax = base 0:15 - movl ADDRESS_ARG(esp),ecx # ecx = address to convert - addl eax,ecx # ecx = physical address equivalent - movl ecx,eax # eax = ecx - ret - -/* - * void *i386_Physical_to_logical( - * rtems_unsigned16 segment, - * void *address - * ); - * - * Returns thirty-two bit physical address for segment:address. - */ - -/* - *.set SEGMENT_ARG, 4 - *.set ADDRESS_ARG, 8 -- use sets from above - */ - - PUBLIC (i386_Physical_to_logical) - -SYM (i386_Physical_to_logical): - xorl eax,eax # clear eax - movzwl SEGMENT_ARG(esp),ecx # ecx = segment value - movl $ SYM (_Global_descriptor_table),edx - # edx = address of our GDT - addl ecx,edx # edx = address of desired entry - movb 7(edx),ah # ah = base 31:24 - movb 4(edx),al # al = base 23:16 - shll $16,eax # move ax into correct bits - movw 2(edx),ax # ax = base 0:15 - movl ADDRESS_ARG(esp),ecx # ecx = address to convert - subl eax,ecx # ecx = logical address equivalent - movl ecx,eax # eax = ecx - ret - -END_CODE - -END diff --git a/c/src/exec/score/cpu/i386/rtems/.cvsignore b/c/src/exec/score/cpu/i386/rtems/.cvsignore deleted file mode 100644 index 282522db03..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/.cvsignore +++ /dev/null @@ -1,2 +0,0 @@ -Makefile -Makefile.in diff --git a/c/src/exec/score/cpu/i386/rtems/score/.cvsignore b/c/src/exec/score/cpu/i386/rtems/score/.cvsignore deleted file mode 100644 index 282522db03..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/.cvsignore +++ /dev/null @@ -1,2 +0,0 @@ -Makefile -Makefile.in diff --git a/c/src/exec/score/cpu/i386/rtems/score/cpu.h b/c/src/exec/score/cpu/i386/rtems/score/cpu.h deleted file mode 100644 index a6ea2c7628..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/cpu.h +++ /dev/null @@ -1,513 +0,0 @@ -/* cpu.h - * - * This include file contains information pertaining to the Intel - * i386 processor. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __CPU_h -#define __CPU_h - -#ifdef __cplusplus -extern "C" { -#endif - -#include <rtems/score/i386.h> /* pick up machine definitions */ - -#ifndef ASM -#include <rtems/score/types.h> -#include <rtems/score/interrupts.h> /* formerly in libcpu/cpu.h> */ -#include <rtems/score/registers.h> /* formerly part of libcpu */ -#endif - -/* conditional compilation parameters */ - -#define CPU_INLINE_ENABLE_DISPATCH TRUE -#define CPU_UNROLL_ENQUEUE_PRIORITY FALSE - -/* - * i386 has an RTEMS allocated and managed interrupt stack. - */ - -#define CPU_HAS_SOFTWARE_INTERRUPT_STACK TRUE -#define CPU_HAS_HARDWARE_INTERRUPT_STACK FALSE -#define CPU_ALLOCATE_INTERRUPT_STACK TRUE - -/* - * Does the RTEMS invoke the user's ISR with the vector number and - * a pointer to the saved interrupt frame (1) or just the vector - * number (0)? - */ - -#define CPU_ISR_PASSES_FRAME_POINTER 0 - -/* - * Some family members have no FP, some have an FPU such as the i387 - * for the i386, others have it built in (i486DX, Pentium). - */ - -#if ( I386_HAS_FPU == 1 ) -#define CPU_HARDWARE_FP TRUE /* i387 for i386 */ -#else -#define CPU_HARDWARE_FP FALSE -#endif -#define CPU_SOFTWARE_FP FALSE - -#define CPU_ALL_TASKS_ARE_FP FALSE -#define CPU_IDLE_TASK_IS_FP FALSE -#define CPU_USE_DEFERRED_FP_SWITCH TRUE - -#define CPU_STACK_GROWS_UP FALSE -#define CPU_STRUCTURE_ALIGNMENT - -/* - * Does this port provide a CPU dependent IDLE task implementation? - * - * If TRUE, then the routine _CPU_Thread_Idle_body - * must be provided and is the default IDLE thread body instead of - * _CPU_Thread_Idle_body. - * - * If FALSE, then use the generic IDLE thread body if the BSP does - * not provide one. - */ - -#define CPU_PROVIDES_IDLE_THREAD_BODY TRUE - -/* - * Define what is required to specify how the network to host conversion - * routines are handled. - */ - -#define CPU_HAS_OWN_HOST_TO_NETWORK_ROUTINES FALSE -#define CPU_BIG_ENDIAN FALSE -#define CPU_LITTLE_ENDIAN TRUE - -/* structures */ - -/* - * Basic integer context for the i386 family. - */ - -typedef struct { - unsigned32 eflags; /* extended flags register */ - void *esp; /* extended stack pointer register */ - void *ebp; /* extended base pointer register */ - unsigned32 ebx; /* extended bx register */ - unsigned32 esi; /* extended source index register */ - unsigned32 edi; /* extended destination index flags register */ -} Context_Control; - -/* - * FP context save area for the i387 numeric coprocessors. - */ - -typedef struct { - unsigned8 fp_save_area[108]; /* context size area for I80387 */ - /* 28 bytes for environment */ -} Context_Control_fp; - - -/* - * The following structure defines the set of information saved - * on the current stack by RTEMS upon receipt of execptions. - * - * idtIndex is either the interrupt number or the trap/exception number. - * faultCode is the code pushed by the processor on some exceptions. - */ - -typedef struct { - unsigned32 edi; - unsigned32 esi; - unsigned32 ebp; - unsigned32 esp0; - unsigned32 ebx; - unsigned32 edx; - unsigned32 ecx; - unsigned32 eax; - unsigned32 idtIndex; - unsigned32 faultCode; - unsigned32 eip; - unsigned32 cs; - unsigned32 eflags; -} CPU_Exception_frame; - -typedef void (*cpuExcHandlerType) (CPU_Exception_frame*); -extern cpuExcHandlerType _currentExcHandler; -extern void rtems_exception_init_mngt(); - -/* - * The following structure defines the set of information saved - * on the current stack by RTEMS upon receipt of each interrupt - * that will lead to re-enter the kernel to signal the thread. - */ - -typedef CPU_Exception_frame CPU_Interrupt_frame; - -typedef enum { - I386_EXCEPTION_DIVIDE_BY_ZERO = 0, - I386_EXCEPTION_DEBUG = 1, - I386_EXCEPTION_NMI = 2, - I386_EXCEPTION_BREAKPOINT = 3, - I386_EXCEPTION_OVERFLOW = 4, - I386_EXCEPTION_BOUND = 5, - I386_EXCEPTION_ILLEGAL_INSTR = 6, - I386_EXCEPTION_MATH_COPROC_UNAVAIL = 7, - I386_EXCEPTION_DOUBLE_FAULT = 8, - I386_EXCEPTION_I386_COPROC_SEG_ERR = 9, - I386_EXCEPTION_INVALID_TSS = 10, - I386_EXCEPTION_SEGMENT_NOT_PRESENT = 11, - I386_EXCEPTION_STACK_SEGMENT_FAULT = 12, - I386_EXCEPTION_GENERAL_PROT_ERR = 13, - I386_EXCEPTION_PAGE_FAULT = 14, - I386_EXCEPTION_INTEL_RES15 = 15, - I386_EXCEPTION_FLOAT_ERROR = 16, - I386_EXCEPTION_ALIGN_CHECK = 17, - I386_EXCEPTION_MACHINE_CHECK = 18, - I386_EXCEPTION_ENTER_RDBG = 50 /* to enter manually RDBG */ - -} Intel_symbolic_exception_name; - - -/* - * The following table contains the information required to configure - * the i386 specific parameters. - */ - -typedef struct { - void (*pretasking_hook)( void ); - void (*predriver_hook)( void ); - void (*postdriver_hook)( void ); - void (*idle_task)( void ); - boolean do_zero_of_workspace; - unsigned32 idle_task_stack_size; - unsigned32 interrupt_stack_size; - unsigned32 extra_mpci_receive_server_stack; - void * (*stack_allocate_hook)( unsigned32 ); - void (*stack_free_hook)( void* ); - /* end of fields required on all CPUs */ - - unsigned32 interrupt_table_segment; - void *interrupt_table_offset; -} rtems_cpu_table; - -/* - * Macros to access required entires in the CPU Table are in - * the file rtems/system.h. - */ - -/* - * Macros to access i386 specific additions to the CPU Table - */ - -#define rtems_cpu_configuration_get_interrupt_table_segment() \ - (_CPU_Table.interrupt_table_segment) - -#define rtems_cpu_configuration_get_interrupt_table_offset() \ - (_CPU_Table.interrupt_table_offset) - -/* - * context size area for floating point - * - * NOTE: This is out of place on the i386 to avoid a forward reference. - */ - -#define CPU_CONTEXT_FP_SIZE sizeof( Context_Control_fp ) - -/* variables */ - -SCORE_EXTERN Context_Control_fp _CPU_Null_fp_context; -SCORE_EXTERN void *_CPU_Interrupt_stack_low; -SCORE_EXTERN void *_CPU_Interrupt_stack_high; - -/* constants */ - -/* - * This defines the number of levels and the mask used to pick those - * bits out of a thread mode. - */ - -#define CPU_MODES_INTERRUPT_LEVEL 0x00000001 /* interrupt level in mode */ -#define CPU_MODES_INTERRUPT_MASK 0x00000001 /* interrupt level in mode */ - -/* - * extra stack required by the MPCI receive server thread - */ - -#define CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK 1024 - -/* - * i386 family supports 256 distinct vectors. - */ - -#define CPU_INTERRUPT_NUMBER_OF_VECTORS 256 -#define CPU_INTERRUPT_MAXIMUM_VECTOR_NUMBER (CPU_INTERRUPT_NUMBER_OF_VECTORS - 1) - -/* - * This is defined if the port has a special way to report the ISR nesting - * level. Most ports maintain the variable _ISR_Nest_level. - */ - -#define CPU_PROVIDES_ISR_IS_IN_PROGRESS FALSE - -/* - * Minimum size of a thread's stack. - */ - -#define CPU_STACK_MINIMUM_SIZE 1024 - -/* - * i386 is pretty tolerant of alignment. Just put things on 4 byte boundaries. - */ - -#define CPU_ALIGNMENT 4 -#define CPU_HEAP_ALIGNMENT CPU_ALIGNMENT -#define CPU_PARTITION_ALIGNMENT CPU_ALIGNMENT - -/* - * On i386 thread stacks require no further alignment after allocation - * from the Workspace. - */ - -#define CPU_STACK_ALIGNMENT 0 - -/* macros */ - -/* - * ISR handler macros - * - * These macros perform the following functions: - * + initialize the RTEMS vector table - * + disable all maskable CPU interrupts - * + restore previous interrupt level (enable) - * + temporarily restore interrupts (flash) - * + set a particular level - */ - -#define _CPU_Initialize_vectors() - -#define _CPU_ISR_Disable( _level ) i386_disable_interrupts( _level ) - -#define _CPU_ISR_Enable( _level ) i386_enable_interrupts( _level ) - -#define _CPU_ISR_Flash( _level ) i386_flash_interrupts( _level ) - -#define _CPU_ISR_Set_level( _new_level ) \ - { \ - if ( _new_level ) asm volatile ( "cli" ); \ - else asm volatile ( "sti" ); \ - } - -unsigned32 _CPU_ISR_Get_level( void ); - -/* end of ISR handler macros */ - -/* - * Context handler macros - * - * These macros perform the following functions: - * + initialize a context area - * + restart the current thread - * + calculate the initial pointer into a FP context area - * + initialize an FP context area - */ - -#define CPU_EFLAGS_INTERRUPTS_ON 0x00003202 -#define CPU_EFLAGS_INTERRUPTS_OFF 0x00003002 - -#define _CPU_Context_Initialize( _the_context, _stack_base, _size, \ - _isr, _entry_point, _is_fp ) \ - do { \ - unsigned32 _stack; \ - \ - if ( (_isr) ) (_the_context)->eflags = CPU_EFLAGS_INTERRUPTS_OFF; \ - else (_the_context)->eflags = CPU_EFLAGS_INTERRUPTS_ON; \ - \ - _stack = ((unsigned32)(_stack_base)) + (_size) - 4; \ - \ - *((proc_ptr *)(_stack)) = (_entry_point); \ - (_the_context)->ebp = (void *) _stack; \ - (_the_context)->esp = (void *) _stack; \ - } while (0) - -#define _CPU_Context_Restart_self( _the_context ) \ - _CPU_Context_restore( (_the_context) ); - -#define _CPU_Context_Fp_start( _base, _offset ) \ - ( (void *) _Addresses_Add_offset( (_base), (_offset) ) ) - -#define _CPU_Context_Initialize_fp( _fp_area ) \ - { \ - unsigned32 *_source = (unsigned32 *) &_CPU_Null_fp_context; \ - unsigned32 *_destination = *(_fp_area); \ - unsigned32 _index; \ - \ - for ( _index=0 ; _index < CPU_CONTEXT_FP_SIZE/4 ; _index++ ) \ - *_destination++ = *_source++; \ - } - -/* end of Context handler macros */ - -/* - * Fatal Error manager macros - * - * These macros perform the following functions: - * + disable interrupts and halt the CPU - */ - -#define _CPU_Fatal_halt( _error ) \ - { \ - asm volatile ( "cli ; \ - movl %0,%%eax ; \ - hlt" \ - : "=r" ((_error)) : "0" ((_error)) \ - ); \ - } - -/* end of Fatal Error manager macros */ - -/* - * Bitfield handler macros - * - * These macros perform the following functions: - * + scan for the highest numbered (MSB) set in a 16 bit bitfield - */ - -#define CPU_USE_GENERIC_BITFIELD_CODE FALSE -#define CPU_USE_GENERIC_BITFIELD_DATA FALSE - -#define _CPU_Bitfield_Find_first_bit( _value, _output ) \ - { \ - register unsigned16 __value_in_register = (_value); \ - \ - _output = 0; \ - \ - asm volatile ( "bsfw %0,%1 " \ - : "=r" (__value_in_register), "=r" (_output) \ - : "0" (__value_in_register), "1" (_output) \ - ); \ - } - -/* end of Bitfield handler macros */ - -/* - * Priority handler macros - * - * These macros perform the following functions: - * + return a mask with the bit for this major/minor portion of - * of thread priority set. - * + translate the bit number returned by "Bitfield_find_first_bit" - * into an index into the thread ready chain bit maps - */ - -#define _CPU_Priority_Mask( _bit_number ) \ - ( 1 << (_bit_number) ) - -#define _CPU_Priority_bits_index( _priority ) \ - (_priority) - -/* functions */ - -/* - * _CPU_Initialize - * - * This routine performs CPU dependent initialization. - */ - -void _CPU_Initialize( - rtems_cpu_table *cpu_table, - void (*thread_dispatch) -); - -/* - * _CPU_ISR_install_raw_handler - * - * This routine installs a "raw" interrupt handler directly into the - * processor's vector table. - */ - -void _CPU_ISR_install_raw_handler( - unsigned32 vector, - proc_ptr new_handler, - proc_ptr *old_handler -); - -/* - * _CPU_ISR_install_vector - * - * This routine installs an interrupt vector. - */ - -void _CPU_ISR_install_vector( - unsigned32 vector, - proc_ptr new_handler, - proc_ptr *old_handler -); - -/* - * _CPU_Thread_Idle_body - * - * Use the halt instruction of low power mode of a particular i386 model. - */ - -#if (CPU_PROVIDES_IDLE_THREAD_BODY == TRUE) - -void _CPU_Thread_Idle_body( void ); - -#endif /* CPU_PROVIDES_IDLE_THREAD_BODY */ - -/* - * _CPU_Context_switch - * - * This routine switches from the run context to the heir context. - */ - -void _CPU_Context_switch( - Context_Control *run, - Context_Control *heir -); - -/* - * _CPU_Context_restore - * - * This routine is generally used only to restart self in an - * efficient manner and avoid stack conflicts. - */ - -void _CPU_Context_restore( - Context_Control *new_context -); - -/* - * _CPU_Context_save_fp - * - * This routine saves the floating point context passed to it. - */ - -void _CPU_Context_save_fp( - void **fp_context_ptr -); - -/* - * _CPU_Context_restore_fp - * - * This routine restores the floating point context passed to it. - */ - -void _CPU_Context_restore_fp( - void **fp_context_ptr -); - -#ifdef __cplusplus -} -#endif - -#endif -/* end of include file */ diff --git a/c/src/exec/score/cpu/i386/rtems/score/i386.h b/c/src/exec/score/cpu/i386/rtems/score/i386.h deleted file mode 100644 index 9d317f7843..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/i386.h +++ /dev/null @@ -1,244 +0,0 @@ -/* i386.h - * - * This include file contains information pertaining to the Intel - * i386 processor. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __i386_h -#define __i386_h - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * This section contains the information required to build - * RTEMS for a particular member of the Intel i386 - * family when executing in protected mode. It does - * this by setting variables to indicate which implementation - * dependent features are present in a particular member - * of the family. - * - * Currently recognized: - * i386_fp (i386 DX or SX w/i387) - * i386_nofp (i386 DX or SX w/o i387) - * i486dx - * i486sx - * pentium - * pentiumpro - * - * CPU Model Feature Flags: - * - * I386_HAS_BSWAP: Defined to "1" if the instruction for endian swapping - * (bswap) should be used. This instruction appears to - * be present in all i486's and above. - * - * I386_HAS_FPU: Defined to "1" if the CPU has an FPU. - * - */ - -#if defined(_SOFT_FLOAT) -#define I386_HAS_FPU 0 -#else -#define I386_HAS_FPU 1 -#endif - -#if defined(__pentiumpro__) - -#define CPU_MODEL_NAME "Pentium Pro" - -#elif defined(__i586__) - -# if defined(__pentium__) -# define CPU_MODEL_NAME "Pentium" -# elif defined(__k6__) -# define CPU_MODEL_NAME "K6" -# else -# define CPU_MODEL_NAME "i586" -# endif - -#elif defined(__i486__) - -# if !defined(_SOFT_FLOAT) -# define CPU_MODEL_NAME "i486dx" -# else -# define CPU_MODEL_NAME "i486sx" -# endif - -#elif defined(__i386__) - -#define I386_HAS_BSWAP 0 - -# if !defined(_SOFT_FLOAT) -# define CPU_MODEL_NAME "i386 with i387" -# else -# define CPU_MODEL_NAME "i386 w/o i387" -# endif - -#else -#error "Unknown CPU Model" -#endif - -/* - * Set default values for CPU model feature flags - * - * NOTE: These settings are chosen to reflect most of the family members. - */ - -#ifndef I386_HAS_FPU -#define I386_HAS_FPU 1 -#endif - -#ifndef I386_HAS_BSWAP -#define I386_HAS_BSWAP 1 -#endif - -/* - * Define the name of the CPU family. - */ - -#define CPU_NAME "Intel i386" - -#ifndef ASM - -/* - * The following routine swaps the endian format of an unsigned int. - * It must be static so it can be referenced indirectly. - */ - -static inline unsigned int i386_swap_U32( - unsigned int value -) -{ - unsigned long lout; - -#if (I386_HAS_BSWAP == 0) - asm volatile( "rorw $8,%%ax;" - "rorl $16,%0;" - "rorw $8,%%ax" : "=a" (lout) : "0" (value) ); -#else - __asm__ volatile( "bswap %0" : "=r" (lout) : "0" (value)); -#endif - return( lout ); -} - -static inline unsigned int i386_swap_U16( - unsigned int value -) -{ - unsigned short sout; - - __asm__ volatile( "rorw $8,%0" : "=r" (sout) : "0" (value)); - return (sout); -} - - -/* - * Added for pagination management - */ - -static inline unsigned int i386_get_cr0() -{ - register unsigned int segment = 0; - - asm volatile ( "movl %%cr0,%0" : "=r" (segment) : "0" (segment) ); - - return segment; -} - -static inline void i386_set_cr0(unsigned int segment) -{ - asm volatile ( "movl %0,%%cr0" : "=r" (segment) : "0" (segment) ); -} - -static inline unsigned int i386_get_cr2() -{ - register unsigned int segment = 0; - - asm volatile ( "movl %%cr2,%0" : "=r" (segment) : "0" (segment) ); - - return segment; -} - -static inline unsigned int i386_get_cr3() -{ - register unsigned int segment = 0; - - asm volatile ( "movl %%cr3,%0" : "=r" (segment) : "0" (segment) ); - - return segment; -} - -static inline void i386_set_cr3(unsigned int segment) -{ - asm volatile ( "movl %0,%%cr3" : "=r" (segment) : "0" (segment) ); -} - -/* routines */ - -/* - * i386_Logical_to_physical - * - * Converts logical address to physical address. - */ - -void *i386_Logical_to_physical( - unsigned short segment, - void *address -); - -/* - * i386_Physical_to_logical - * - * Converts physical address to logical address. - */ - -void *i386_Physical_to_logical( - unsigned short segment, - void *address -); - - -/* - * "Simpler" names for a lot of the things defined in this file - */ - -/* segment access routines */ - -#define get_cs() i386_get_cs() -#define get_ds() i386_get_ds() -#define get_es() i386_get_es() -#define get_ss() i386_get_ss() -#define get_fs() i386_get_fs() -#define get_gs() i386_get_gs() - -#define CPU_swap_u32( _value ) i386_swap_U32( _value ) -#define CPU_swap_u16( _value ) i386_swap_U16( _value ) - -/* i80x86 I/O instructions */ - -#define outport_byte( _port, _value ) i386_outport_byte( _port, _value ) -#define outport_word( _port, _value ) i386_outport_word( _port, _value ) -#define outport_long( _port, _value ) i386_outport_long( _port, _value ) -#define inport_byte( _port, _value ) i386_inport_byte( _port, _value ) -#define inport_word( _port, _value ) i386_inport_word( _port, _value ) -#define inport_long( _port, _value ) i386_inport_long( _port, _value ) - - -#ifdef __cplusplus -} -#endif - -#endif /* !ASM */ - -#endif -/* end of include file */ diff --git a/c/src/exec/score/cpu/i386/rtems/score/idtr.h b/c/src/exec/score/cpu/i386/rtems/score/idtr.h deleted file mode 100644 index 7c4f95214f..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/idtr.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * This file contains definitions for data structure related - * to Intel system programming. More information can be found - * on Intel site and more precisely in the following book : - * - * Pentium Processor familly - * Developper's Manual - * - * Volume 3 : Architecture and Programming Manual - * - * Formerly contained in and extracted from libcpu/i386/cpu.h. - * - * Copyright (C) 1998 Eric Valette (valette@crf.canon.fr) - * Canon Centre Recherche France. - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - * - * Applications must not include this file directly. - */ - -#ifndef _rtems_score_idtr_h -#define _rtems_score_idtr_h - -/* - * See page 14.9 Figure 14-2. - * - */ -typedef struct -{ - unsigned int low_offsets_bits:16; - unsigned int segment_selector:16; - unsigned int fixed_value_bits:8; - unsigned int gate_type:5; - unsigned int privilege:2; - unsigned int present:1; - unsigned int high_offsets_bits:16; -} interrupt_gate_descriptor; - -/* - * C callable function enabling to create a interrupt_gate_descriptor - */ -extern void create_interrupt_gate_descriptor (interrupt_gate_descriptor*, rtems_raw_irq_hdl); - -/* - * C callable function enabling to get easily usable info from - * the actual value of IDT register. - */ -extern void i386_get_info_from_IDTR (interrupt_gate_descriptor** table, - unsigned* limit); - -/* - * C callable function enabling to change the value of IDT register. Must be called - * with interrupts masked at processor level!!!. - */ -extern void i386_set_IDTR (interrupt_gate_descriptor* table, - unsigned limit); - -#endif diff --git a/c/src/exec/score/cpu/i386/rtems/score/interrupts.h b/c/src/exec/score/cpu/i386/rtems/score/interrupts.h deleted file mode 100644 index bcc1dfb85a..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/interrupts.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * i386 interrupt macros. - * - * Formerly contained in and extracted from libcpu/i386/cpu.h - * - * COPYRIGHT (c) 1998 valette@crf.canon.fr - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - * - * Applications must not include this file directly. - */ - -#ifndef _rtems_score_interrupts_h -#define _rtems_score_interrupts_h - -#ifndef ASM - -struct __rtems_raw_irq_connect_data__; - -typedef void (*rtems_raw_irq_hdl) (void); -typedef void (*rtems_raw_irq_enable) (const struct __rtems_raw_irq_connect_data__*); -typedef void (*rtems_raw_irq_disable) (const struct __rtems_raw_irq_connect_data__*); -typedef int (*rtems_raw_irq_is_enabled) (const struct __rtems_raw_irq_connect_data__*); - -/* - * Interrupt Level Macros - */ - -#define i386_disable_interrupts( _level ) \ - { \ - asm volatile ( "pushf ; \ - cli ; \ - pop %0" \ - : "=rm" ((_level)) \ - ); \ - } - -#define i386_enable_interrupts( _level ) \ - { \ - asm volatile ( "push %0 ; \ - popf" \ - : : "rm" ((_level)) : "cc" \ - ); \ - } - -#define i386_flash_interrupts( _level ) \ - { \ - asm volatile ( "push %0 ; \ - popf ; \ - cli" \ - : : "rm" ((_level)) : "cc" \ - ); \ - } - -#define i386_get_interrupt_level( _level ) \ - do { \ - register unsigned32 _eflags; \ - \ - asm volatile ( "pushf ; \ - pop %0" \ - : "=rm" ((_eflags)) \ - ); \ - \ - _level = (_eflags & EFLAGS_INTR_ENABLE) ? 0 : 1; \ - } while (0) - -#define _CPU_ISR_Disable( _level ) i386_disable_interrupts( _level ) -#define _CPU_ISR_Enable( _level ) i386_enable_interrupts( _level ) - -#endif -#endif diff --git a/c/src/exec/score/cpu/i386/rtems/score/registers.h b/c/src/exec/score/cpu/i386/rtems/score/registers.h deleted file mode 100644 index 993b7fb834..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/registers.h +++ /dev/null @@ -1,184 +0,0 @@ -/* registers.h - * - * This file contains definition and constants related to Intel Cpu - * - * COPYRIGHT (c) 1998 valette@crf.canon.fr - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _rtems_score_registers_h -#define _rtems_score_registers_h - -/* - * definition related to EFLAGS - */ -#define EFLAGS_CARRY 0x1 -#define EFLAGS_PARITY 0x4 - -#define EFLAGS_AUX_CARRY 0x10 -#define EFLAGS_ZERO 0x40 -#define EFLAGS_SIGN 0x80 - -#define EFLAGS_TRAP 0x100 -#define EFLAGS_INTR_ENABLE 0x200 -#define EFLAGS_DIRECTION 0x400 -#define EFLAGS_OVERFLOW 0x800 - -#define EFLAGS_IOPL_MASK 0x3000 -#define EFLAGS_NESTED_TASK 0x8000 - -#define EFLAGS_RESUME 0x10000 -#define EFLAGS_VIRTUAL_MODE 0x20000 -#define EFLAGS_ALIGN_CHECK 0x40000 -#define EFLAGS_VIRTUAL_INTR 0x80000 - -#define EFLAGS_VIRTUAL_INTR_PEND 0x100000 -#define EFLAGS_ID 0x200000 - -/* - * definitions related to CR0 - */ -#define CR0_PROTECTION_ENABLE 0x1 -#define CR0_MONITOR_COPROC 0x2 -#define CR0_COPROC_SOFT_EMUL 0x4 -#define CR0_FLOATING_INSTR_EXCEPTION 0x8 - -#define CR0_EXTENSION_TYPE 0x10 -#define CR0_NUMERIC_ERROR 0x20 - -#define CR0_WRITE_PROTECT 0x10000 -#define CR0_ALIGMENT_MASK 0x40000 - -#define CR0_NO_WRITE_THROUGH 0x20000000 -#define CR0_PAGE_LEVEL_CACHE_DISABLE 0x40000000 -#define CR0_PAGING 0x80000000 - -/* - * definitions related to CR3 - */ - -#define CR3_PAGE_CACHE_DISABLE 0x10 -#define CR3_PAGE_WRITE_THROUGH 0x8 - - -#ifndef ASM - -/* - * definition of eflags registers has a bit field structure - */ -typedef struct { - /* - * fist byte : bits 0->7 - */ - unsigned int carry : 1; - unsigned int : 1; - unsigned int parity : 1; - unsigned int : 1; - - unsigned int auxiliary_carry : 1; - unsigned int : 1; - unsigned int zero : 1; /* result is zero */ - unsigned int sign : 1; /* result is less than zero */ - /* - * Second byte : bits 7->15 - */ - unsigned int trap : 1; - unsigned int intr_enable : 1; /* set => intr on */ - unsigned int direction : 1; /* set => autodecrement */ - unsigned int overflow : 1; - - unsigned int IO_privilege : 2; - unsigned int nested_task : 1; - unsigned int : 1; - /* - * Third byte : bits 15->23 - */ - unsigned int resume : 1; - unsigned int virtual_mode : 1; - unsigned int aligment_check : 1; - unsigned int virtual_intr : 1; - - unsigned int virtual_intr_pending : 1; - unsigned int id : 1; - unsigned int : 2; - - /* - * fourth byte : bits 24->31 : UNUSED - */ - unsigned int : 8; -}eflags_bits; - -typedef union { - eflags_bits eflags; - unsigned int i; -}eflags; -/* - * definition of eflags registers has a bit field structure - */ -typedef struct { - /* - * fist byte : bits 0->7 - */ - unsigned int protection_enable : 1; - unsigned int monitor_coproc : 1; - unsigned int coproc_soft_emul : 1; - unsigned int floating_instr_except : 1; - - unsigned int extension_type : 1; - unsigned int numeric_error : 1; - unsigned int : 2; - /* - * second byte 8->15 : UNUSED - */ - unsigned int : 8; - /* - * third byte 16->23 - */ - unsigned int write_protect : 1; - unsigned int : 1; - unsigned int aligment_mask : 1; - unsigned int : 1; - - unsigned int : 4; - /* - * fourth byte 24->31 - */ - unsigned int : 4; - - unsigned int : 1; - unsigned int no_write_through : 1; - unsigned int page_level_cache_disable : 1; - unsigned int paging : 1; -}cr0_bits; - -typedef union { - cr0_bits cr0; - unsigned int i; -}cr0; - -/* - * definition of cr3 registers has a bit field structure - */ -typedef struct { - - unsigned int : 3; - unsigned int page_write_transparent : 1; - unsigned int page_cache_disable : 1; - unsigned int : 7; - unsigned int page_directory_base :20; -}cr3_bits; - -typedef union { - cr3_bits cr3; - unsigned int i; -}cr3; - -#endif - -#endif - diff --git a/c/src/exec/score/cpu/i386/rtems/score/types.h b/c/src/exec/score/cpu/i386/rtems/score/types.h deleted file mode 100644 index 1b9091f501..0000000000 --- a/c/src/exec/score/cpu/i386/rtems/score/types.h +++ /dev/null @@ -1,57 +0,0 @@ -/* i386types.h - * - * This include file contains type definitions pertaining to the Intel - * i386 processor family. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef __i386_TYPES_h -#define __i386_TYPES_h - -#ifndef ASM - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * This section defines the basic types for this processor. - */ - -typedef unsigned char unsigned8; /* unsigned 8-bit integer */ -typedef unsigned short unsigned16; /* unsigned 16-bit integer */ -typedef unsigned int unsigned32; /* unsigned 32-bit integer */ -typedef unsigned long long unsigned64; /* unsigned 64-bit integer */ - -typedef unsigned16 Priority_Bit_map_control; - -typedef signed char signed8; /* 8-bit signed integer */ -typedef signed short signed16; /* 16-bit signed integer */ -typedef signed int signed32; /* 32-bit signed integer */ -typedef signed long long signed64; /* 64 bit signed integer */ - -typedef unsigned32 boolean; /* Boolean value */ - -typedef float single_precision; /* single precision float */ -typedef double double_precision; /* double precision float */ - -typedef void i386_isr; - -typedef i386_isr ( *i386_isr_entry )( void ); - -#ifdef __cplusplus -} -#endif - -#endif /* !ASM */ - -#endif -/* end of include file */ |