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author | Till Straumann <strauman@slac.stanford.edu> | 2007-12-01 00:10:35 +0000 |
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committer | Till Straumann <strauman@slac.stanford.edu> | 2007-12-01 00:10:35 +0000 |
commit | d18d7fe0ddf9e3ce5767eaef172d2b36d942e130 (patch) | |
tree | 37973ec56768d9ad60f353d0f5dc2daf6c17c1f3 /c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c | |
parent | 2007-11-29 Till Straumann <strauman@slac.stanford.edu> (diff) | |
download | rtems-d18d7fe0ddf9e3ce5767eaef172d2b36d942e130.tar.bz2 |
2007-11-29 Till Straumann <strauman@slac.stanford.edu>
* mpc6xx/exceptions/raw_exception.c,
mpc6xx/exceptions/raw_exception.h: removed. mpc6xx
uses generic version in new-exceptions.
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c')
-rw-r--r-- | c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c b/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c deleted file mode 100644 index c40d2e0408..0000000000 --- a/c/src/lib/libcpu/powerpc/mpc6xx/exceptions/raw_exception.c +++ /dev/null @@ -1,350 +0,0 @@ -/* - * raw_exception.c - This file contains implementation of C function to - * Instantiate 60x ppc primary exception entries. - * More detailed information can be found on motorola - * site and more precisely in the following book : - * - * MPC750 - * Risc Microporcessor User's Manual - * Motorola REF : MPC750UM/AD 8/97 - * - * Copyright (C) 1999 Eric Valette (valette@crf.canon.fr) - * Canon Centre Recherche France. - * - * Enhanced by Jay Kulpinski <jskulpin@eng01.gdds.com> - * to support 603, 603e, 604, 604e exceptions - * - * The license and distribution terms for this file may be - * found in found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ -#include <rtems/system.h> -#include <rtems/score/powerpc.h> -#include <rtems/bspIo.h> -#include <libcpu/raw_exception.h> -#include <libcpu/cpuIdent.h> - -#include <string.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; - -void * codemove(void *, const void *, unsigned int, unsigned long); - -void* mpc60x_get_vector_addr(rtems_vector vector) -{ - unsigned vaddr = ((unsigned)vector) << 8; - extern rtems_cpu_table Cpu_table; - - /* Special case; altivec unavailable doesn't fit :-( */ - if ( ASM_VEC_VECTOR == vector ) - vaddr = ASM_VEC_VECTOR_OFFSET; - - if ( Cpu_table.exceptions_in_RAM ) - return ((void*) vaddr); - - return ((void*) (vaddr + 0xfff00000)); -} - -int altivec_vector_is_valid(rtems_vector vector) -{ - switch(vector) { - case ASM_VEC_VECTOR: - case ASM_VEC_ASSIST_VECTOR: - return 1; - default: - break; - } - return 0; -} - -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 PSIM_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: - return 1; - case ASM_SYS_VECTOR: - return 0; - case ASM_TRACE_VECTOR: - return 1; - case ASM_PERFMON_VECTOR: - return 0; - case ASM_IMISS_VECTOR: /* fall through */ - case ASM_DLMISS_VECTOR: - case ASM_DSMISS_VECTOR: - case ASM_ADDR_VECTOR: - case ASM_SYSMGMT_VECTOR: - return 1; - case ASM_ITM_VECTOR: - return 0; - } - return 0; -} - -int mpc603_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: - return 1; - case ASM_PERFMON_VECTOR: - return 0; - case ASM_IMISS_VECTOR: /* fall through */ - case ASM_DLMISS_VECTOR: - case ASM_DSMISS_VECTOR: - case ASM_ADDR_VECTOR: - case ASM_SYSMGMT_VECTOR: - return 1; - case ASM_ITM_VECTOR: - return 0; - } - return 0; -} - -int mpc604_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_PERFMON_VECTOR: - return 1; - case ASM_IMISS_VECTOR: /* fall through */ - case ASM_DLMISS_VECTOR: - case ASM_DSMISS_VECTOR: - return 0; - case ASM_ADDR_VECTOR: /* fall through */ - case ASM_SYSMGMT_VECTOR: - return 1; - case ASM_ITM_VECTOR: - return 0; - } - return 0; -} - -int mpc60x_vector_is_valid(rtems_vector vector) -{ - switch (current_ppc_cpu) { - case PPC_7400: - if ( altivec_vector_is_valid(vector) ) - return 1; - /* else fall thru */ - case PPC_750: - if (!mpc750_vector_is_valid(vector)) { - return 0; - } - break; - case PPC_7455: /* Kate Feng */ - case PPC_7457: - if ( altivec_vector_is_valid(vector) ) - return 1; - /* else fall thru */ - case PPC_604: - case PPC_604e: - case PPC_604r: - if (!mpc604_vector_is_valid(vector)) { - return 0; - } - break; - case PPC_603: - case PPC_603e: - case PPC_603le: - case PPC_603ev: - case PPC_8260: - /* case PPC_8240: -- same value as 8260 */ - case PPC_8245: - if (!mpc603_vector_is_valid(vector)) { - return 0; - } - break; - case PPC_PSIM: - if (!PSIM_vector_is_valid(vector)) { - return 0; - } - break; - default: - printk("Please complete " - "libcpu/powerpc/mpc6xx/exceptions/raw_exception.c\n" - "current_ppc_cpu = %x\n", current_ppc_cpu); - return 0; - } - return 1; -} - -int mpc60x_set_exception (const rtems_raw_except_connect_data* except) -{ - rtems_interrupt_level level; - - if (!mpc60x_vector_is_valid(except->exceptIndex)) { - printk("mpc60x_set_exception: vector %d is not valid\n", - 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)) { - printk("mpc60x_set_exception: raw vector not installed\n"); - return 0; - } - - rtems_interrupt_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); - - rtems_interrupt_enable(level); - return 1; -} - -int mpc60x_get_current_exception (rtems_raw_except_connect_data* except) -{ - if (!mpc60x_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) -{ - rtems_interrupt_level level; - - if (!mpc60x_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; - } - rtems_interrupt_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; - - rtems_interrupt_enable(level); - - return 1; -} - -/* - * Exception global init. - */ -int mpc60x_init_exceptions (rtems_raw_except_global_settings* config) -{ - int i; - rtems_interrupt_level level; - - /* - * store various accelerators - */ - raw_except_table = config->rawExceptHdlTbl; - local_settings = config; - default_raw_except_entry = config->defaultRawEntry; - - rtems_interrupt_disable(level); - - for (i=0; i <= LAST_VALID_EXC; i++) { - if (!mpc60x_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]); - } - } - rtems_interrupt_enable(level); - - return 1; -} - -int mpc60x_get_exception_config (rtems_raw_except_global_settings** config) -{ - *config = local_settings; - return 1; -} |