diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc750/exceptions')
4 files changed, 0 insertions, 485 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc750/exceptions/Makefile.in b/c/src/lib/libcpu/powerpc/mpc750/exceptions/Makefile.in deleted file mode 100644 index a776f6477d..0000000000 --- a/c/src/lib/libcpu/powerpc/mpc750/exceptions/Makefile.in +++ /dev/null @@ -1,79 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../../.. -subdir = powerpc/mpc750/exceptions - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -PGM = ${ARCH}/exceptions.rel - -# C source names, if any, go here -- minus the .c -C_PIECES = raw_exception -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -H_FILES = $(srcdir)/raw_exception.h - -# Assembly source names, if any, go here -- minus the .S -S_PIECES = asm_utils -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_FILES:%.S=${ARCH}/%.o) - -SRCS = $(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES) -OBJS = $(C_O_FILES) $(CC_O_FILES) $(S_O_FILES) - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/leaf.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ -mkinstalldirs = $(SHELL) $(top_srcdir)/@RTEMS_TOPdir@/mkinstalldirs - -INSTALLDIRS = $(PROJECT_INCLUDE)/libcpu - -$(INSTALLDIRS): - @$(mkinstalldirs) $(INSTALLDIRS) - -# -# (OPTIONAL) Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -LD_PATHS += -LD_LIBS += -LDFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += -CLOBBER_ADDITIONS += - -$(PGM): ${OBJS} - $(make-rel) - -preinstall: $(INSTALLDIRS) $(H_FILES) - @$(INSTALL_CHANGE) -m 644 $(H_FILES) $(PROJECT_INCLUDE)/libcpu - -all: ${ARCH} $(SRCS) preinstall $(PGM) - -# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile -install: all - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/libcpu/powerpc/mpc750/exceptions/asm_utils.S b/c/src/lib/libcpu/powerpc/mpc750/exceptions/asm_utils.S deleted file mode 100644 index f046915404..0000000000 --- a/c/src/lib/libcpu/powerpc/mpc750/exceptions/asm_utils.S +++ /dev/null @@ -1,65 +0,0 @@ -/* - * asm_utils.s - * - * $Id$ - * - * Copyright (C) 1999 Eric Valette (valette@crf.canon.fr) - * - * This file contains the low-level support for moving exception - * exception code to appropriate location. - * - */ - -#include <libcpu/cpu.h> -#include <libcpu/io.h> -#include <rtems/score/targopts.h> -#include "asm.h" - - .globl codemove -codemove: - .type codemove,@function -/* r3 dest, r4 src, r5 length in bytes, r6 cachelinesize */ - cmplw cr1,r3,r4 - addi r0,r5,3 - srwi. r0,r0,2 - beq cr1,4f /* In place copy is not necessary */ - beq 7f /* Protect against 0 count */ - mtctr r0 - bge cr1,2f - - la r8,-4(r4) - la r7,-4(r3) -1: lwzu r0,4(r8) - stwu r0,4(r7) - bdnz 1b - b 4f - -2: slwi r0,r0,2 - add r8,r4,r0 - add r7,r3,r0 -3: lwzu r0,-4(r8) - stwu r0,-4(r7) - bdnz 3b - -/* Now flush the cache: note that we must start from a cache aligned - * address. Otherwise we might miss one cache line. - */ -4: cmpwi r6,0 - add r5,r3,r5 - beq 7f /* Always flush prefetch queue in any case */ - subi r0,r6,1 - andc r3,r3,r0 - mr r4,r3 -5: cmplw r4,r5 - dcbst 0,r4 - add r4,r4,r6 - blt 5b - sync /* Wait for all dcbst to complete on bus */ - mr r4,r3 -6: cmplw r4,r5 - icbi 0,r4 - add r4,r4,r6 - blt 6b -7: sync /* Wait for all icbi to complete on bus */ - isync - blr diff --git a/c/src/lib/libcpu/powerpc/mpc750/exceptions/raw_exception.c b/c/src/lib/libcpu/powerpc/mpc750/exceptions/raw_exception.c deleted file mode 100644 index 424385996d..0000000000 --- a/c/src/lib/libcpu/powerpc/mpc750/exceptions/raw_exception.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * cpu.c - This file contains implementation of C function to - * Instanciate 60x ppc primary exception entries. - * More detailled information can be found on motorola - * site and more precisely in the following book : - * - * MPC750 - * Risc Microporcessor User's Manual - * Mtorola REF : MPC750UM/AD 8/97 - * - * Copyright (C) 1999 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. - * - * $Id$ - */ -#include <rtems/score/targopts.h> -#include <rtems/score/ppc.h> -#include <rtems/system.h> -#include <rtems/score/cpu.h> -#include <libcpu/raw_exception.h> - -static rtems_raw_except_connect_data* raw_except_table; -static rtems_raw_except_connect_data default_raw_except_entry; -static rtems_raw_except_global_settings* local_settings; - -int mpc750_vector_is_valid(rtems_vector vector) -{ - switch(vector) { - case ASM_RESET_VECTOR: /* fall through */ - case ASM_MACH_VECTOR: - case ASM_PROT_VECTOR: - case ASM_ISI_VECTOR: - case ASM_EXT_VECTOR: - case ASM_ALIGN_VECTOR: - case ASM_PROG_VECTOR: - case ASM_FLOAT_VECTOR: - case ASM_DEC_VECTOR: - case ASM_SYS_VECTOR: - case ASM_TRACE_VECTOR: - case ASM_ADDR_VECTOR: - case ASM_SYSMGMT_VECTOR: - case ASM_ITM_VECTOR: - return 1; - default: return 0; - } -} - - -int mpc60x_set_exception (const rtems_raw_except_connect_data* except) -{ - unsigned int level; - - if (!mpc750_vector_is_valid(except->exceptIndex)){ - return 0; - } - /* - * Check if default handler is actually connected. If not issue an error. - * You must first get the current handler via mpc60x_get_current_exception - * and then disconnect it using mpc60x_delete_exception. - * RATIONALE : to always have the same transition by forcing the user - * to get the previous handler before accepting to disconnect. - */ - if (memcmp(mpc60x_get_vector_addr(except->exceptIndex), (void*)default_raw_except_entry.hdl.raw_hdl,default_raw_except_entry.hdl.raw_hdl_size)) { - return 0; - } - - _CPU_ISR_Disable(level); - - raw_except_table [except->exceptIndex] = *except; - codemove((void*)mpc60x_get_vector_addr(except->exceptIndex), - except->hdl.raw_hdl, - except->hdl.raw_hdl_size, - PPC_CACHE_ALIGNMENT); - except->on(except); - - _CPU_ISR_Enable(level); - return 1; -} - -int mpc60x_get_current_exception (rtems_raw_except_connect_data* except) -{ - if (!mpc750_vector_is_valid(except->exceptIndex)){ - return 0; - } - - *except = raw_except_table [except->exceptIndex]; - - return 1; -} - -int mpc60x_delete_exception (const rtems_raw_except_connect_data* except) -{ - unsigned int level; - - if (!mpc750_vector_is_valid(except->exceptIndex)){ - return 0; - } - /* - * Check if handler passed is actually connected. If not issue an error. - * You must first get the current handler via mpc60x_get_current_exception - * and then disconnect it using mpc60x_delete_exception. - * RATIONALE : to always have the same transition by forcing the user - * to get the previous handler before accepting to disconnect. - */ - if (memcmp(mpc60x_get_vector_addr(except->exceptIndex), - (void*)except->hdl.raw_hdl, - except->hdl.raw_hdl_size)) { - return 0; - } - _CPU_ISR_Disable(level); - - except->off(except); - codemove((void*)mpc60x_get_vector_addr(except->exceptIndex), - default_raw_except_entry.hdl.raw_hdl, - default_raw_except_entry.hdl.raw_hdl_size, - PPC_CACHE_ALIGNMENT); - - - raw_except_table[except->exceptIndex] = default_raw_except_entry; - raw_except_table[except->exceptIndex].exceptIndex = except->exceptIndex; - - _CPU_ISR_Enable(level); - - return 1; -} - -/* - * Exception global init. - */ -int mpc60x_init_exceptions (rtems_raw_except_global_settings* config) -{ - unsigned i; - unsigned int level; - - /* - * store various accelerators - */ - raw_except_table = config->rawExceptHdlTbl; - local_settings = config; - default_raw_except_entry = config->defaultRawEntry; - - _CPU_ISR_Disable(level); - - for (i=0; i <= LAST_VALID_EXC; i++) { - if (!mpc750_vector_is_valid(i)){ - continue; - } - codemove((void*)mpc60x_get_vector_addr(i), - raw_except_table[i].hdl.raw_hdl, - raw_except_table[i].hdl.raw_hdl_size, - PPC_CACHE_ALIGNMENT); - if (raw_except_table[i].hdl.raw_hdl != default_raw_except_entry.hdl.raw_hdl) { - raw_except_table[i].on(&raw_except_table[i]); - } - else { - raw_except_table[i].off(&raw_except_table[i]); - } - } - _CPU_ISR_Enable(level); - - return 1; -} - -int mpc60x_get_exception_config (rtems_raw_except_global_settings** config) -{ - *config = local_settings; - return 1; -} - diff --git a/c/src/lib/libcpu/powerpc/mpc750/exceptions/raw_exception.h b/c/src/lib/libcpu/powerpc/mpc750/exceptions/raw_exception.h deleted file mode 100644 index f6542b9dfe..0000000000 --- a/c/src/lib/libcpu/powerpc/mpc750/exceptions/raw_exception.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * raw_execption.h - * - * This file contains implementation of C function to - * Instanciate 60x ppc primary exception entries. - * More detailled information can be found on motorola - * site and more precisely in the following book : - * - * MPC750 - * Risc Microporcessor User's Manual - * Mtorola REF : MPC750UM/AD 8/97 - * - * Copyright (C) 1999 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. - * - * $Id$ - */ - -#ifndef _LIBCPU_MCP750_EXCEPTION_RAW_EXCEPTION_H -#define _LIBCPU_MCP750_EXCEPTION_RAW_EXCEPTION_H - -/* - * Exception Vectors as defined in the MCP750 manual - */ - -#define ASM_RESET_VECTOR 0x01 -#define ASM_MACH_VECTOR 0x02 -#define ASM_PROT_VECTOR 0x03 -#define ASM_ISI_VECTOR 0x04 -#define ASM_EXT_VECTOR 0x05 -#define ASM_ALIGN_VECTOR 0x06 -#define ASM_PROG_VECTOR 0x07 -#define ASM_FLOAT_VECTOR 0x08 -#define ASM_DEC_VECTOR 0x09 -#define ASM_SYS_VECTOR 0x0C -#define ASM_TRACE_VECTOR 0x0D -#define ASM_ADDR_VECTOR 0x13 -#define ASM_SYSMGMT_VECTOR 0x14 -#define ASM_ITM_VECTOR 0x17 -#define LAST_VALID_EXC ASM_ITM_VECTOR - -/* - * Vector offsets as defined in the MCP750 manual - */ - -#define ASM_RESET_VECTOR_OFFSET (ASM_RESET_VECTOR << 8) -#define ASM_MACH_VECTOR_OFFSET (ASM_MACH_VECTOR << 8) -#define ASM_PROT_VECTOR_OFFSET (ASM_PROT_VECTOR << 8) -#define ASM_ISI_VECTOR_OFFSET (ASM_ISI_VECTOR << 8) -#define ASM_EXT_VECTOR_OFFSET (ASM_EXT_VECTOR << 8) -#define ASM_ALIGN_VECTOR_OFFSET (ASM_ALIGN_VECTOR << 8) -#define ASM_PROG_VECTOR_OFFSET (ASM_PROG_VECTOR << 8) -#define ASM_FLOAT_VECTOR_OFFSET (ASM_FLOAT_VECTOR << 8) -#define ASM_DEC_VECTOR_OFFSET (ASM_DEC_VECTOR << 8) -#define ASM_SYS_VECTOR_OFFSET (ASM_SYS_VECTOR << 8) -#define ASM_TRACE_VECTOR_OFFSET (ASM_TRACE_VECTOR << 8) -#define ASM_ADDR_VECTOR_OFFSET (ASM_ADDR_VECTOR << 8) -#define ASM_SYSMGMT_VECTOR_OFFSET (ASM_SYSMGMT_VECTOR << 8) -#define ASM_ITM_VECTOR_OFFSET (ASM_ITM_VECTOR << 8) - - -#ifndef ASM - -/* - * Type definition for raw exceptions. - */ - -typedef unsigned char rtems_vector; -struct __rtems_raw_except_connect_data__; -typedef void (*rtems_raw_except_func) (void); -typedef unsigned char rtems_raw_except_hdl_size; - -typedef struct { - rtems_vector vector; - rtems_raw_except_func raw_hdl; - rtems_raw_except_hdl_size raw_hdl_size; -}rtems_raw_except_hdl; - -typedef void (*rtems_raw_except_enable) (const struct __rtems_raw_except_connect_data__*); -typedef void (*rtems_raw_except_disable) (const struct __rtems_raw_except_connect_data__*); -typedef int (*rtems_raw_except_is_enabled) (const struct __rtems_raw_except_connect_data__*); - -typedef struct __rtems_raw_except_connect_data__{ - /* - * Exception vector (As defined in the manual) - */ - rtems_vector exceptIndex; - /* - * Exception raw handler. See comment on handler properties below in function prototype. - */ - rtems_raw_except_hdl hdl; - /* - * function for enabling raw exceptions. In order to be consistent - * with the fact that the raw connexion can defined in the - * libcpu library, this library should have no knowledge of - * board specific hardware to manage exceptions and thus the - * "on" routine must enable the except at processor level only. - * - */ - rtems_raw_except_enable on; - /* - * function for disabling raw exceptions. In order to be consistent - * with the fact that the raw connexion can defined in the - * libcpu library, this library should have no knowledge of - * board specific hardware to manage exceptions and thus the - * "on" routine must disable the except both at device and PIC level. - * - */ - rtems_raw_except_disable off; - /* - * function enabling to know what exception may currently occur - */ - rtems_raw_except_is_enabled isOn; -}rtems_raw_except_connect_data; - -typedef struct { - /* - * size of all the table fields (*Tbl) described below. - */ - unsigned int exceptSize; - /* - * Default handler used when disconnecting exceptions. - */ - rtems_raw_except_connect_data defaultRawEntry; - /* - * Table containing initials/current value. - */ - rtems_raw_except_connect_data* rawExceptHdlTbl; -}rtems_raw_except_global_settings; - -/* - * C callable function enabling to set up one raw idt entry - */ -extern int mpc60x_set_exception (const rtems_raw_except_connect_data*); - -/* - * C callable function enabling to get one current raw idt entry - */ -extern int mpc60x_get_current_exception (rtems_raw_except_connect_data*); - -/* - * C callable function enabling to remove one current raw idt entry - */ -extern int mpc60x_delete_exception (const rtems_raw_except_connect_data*); - -/* - * C callable function enabling to check if vector is valid - */ -extern int mpc750_vector_is_valid(rtems_vector vector); - -inline static void* mpc60x_get_vector_addr(rtems_vector vector) -{ - return ((void*) (((unsigned) vector) << 8)); -} -/* - * Exception global init. - */ -extern int mpc60x_init_exceptions (rtems_raw_except_global_settings* config); -extern int mpc60x_get_exception_config (rtems_raw_except_global_settings** config); - -# endif /* ASM */ - -#endif - |