a493174524
gcc/ * config.gcc (nds32*): Add nds32_isr.h and nds32_init.inc in extra_headers. * common/config/nds32/nds32-common.c (nds32_handle_option): Handle OPT_misr_secure_ case. * config/nds32/nds32-isr.c: Implementation of backward compatibility. * config/nds32/nds32-protos.h (nds32_isr_function_critical_p): New. * config/nds32/nds32.c (nds32_attribute_table): Add critical and secure attribute. * config/nds32/nds32.h (nds32_isr_nested_type): Add NDS32_CRITICAL. (nds32_isr_info): New field security_level. (TARGET_ISR_VECTOR_SIZE_4_BYTE): New macro. * config/nds32/nds32.md (return_internal): Consider critical attribute. * config/nds32/nds32.opt (misr-secure): New option. * config/nds32/nds32_init.inc: New file. * config/nds32/nds32_isr.h: New file. libgcc/ * config/nds32/t-nds32-isr: Rearrange object dependency. * config/nds32/initfini.c: Add dwarf2 unwinding support. * config/nds32/isr-library/adj_intr_lvl.inc: Consider new extensions and registers usage. * config/nds32/isr-library/excp_isr.S: Ditto. * config/nds32/isr-library/intr_isr.S: Ditto. * config/nds32/isr-library/reset.S: Ditto. * config/nds32/isr-library/restore_all.inc: Ditto. * config/nds32/isr-library/restore_mac_regs.inc: Ditto. * config/nds32/isr-library/restore_partial.inc: Ditto. * config/nds32/isr-library/restore_usr_regs.inc: Ditto. * config/nds32/isr-library/save_all.inc: Ditto. * config/nds32/isr-library/save_mac_regs.inc: Ditto. * config/nds32/isr-library/save_partial.inc: Ditto. * config/nds32/isr-library/save_usr_regs.inc: Ditto. * config/nds32/isr-library/vec_vid*.S: Consider 4-byte vector size. From-SVN: r263493
45 lines
1.8 KiB
PHP
45 lines
1.8 KiB
PHP
/* c-isr library stuff of Andes NDS32 cpu for GNU compiler
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Copyright (C) 2012-2018 Free Software Foundation, Inc.
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Contributed by Andes Technology Corporation.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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.macro SAVE_USR_REGS
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/* Store User Special Registers according to supported ISA extension
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!!! WATCH OUT !!! Take care of 8-byte alignment issue. */
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#if __NDS32_EXT_IFC__ && (__NDS32_EXT_ZOL__ || __NDS32_EXT_DSP__)
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mfusr $r1, $IFC_LP
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mfusr $r2, $LB
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mfusr $r3, $LE
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mfusr $r4, $LC
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smw.adm $r1, [$sp], $r4, #0x0 /* Save even. Ok! */
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#elif __NDS32_EXT_IFC__
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mfusr $r1, $IFC_LP
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smw.adm $r1, [$sp], $r2, #0x0 /* Save extra $r2 to keep stack 8-byte aligned. */
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#elif (__NDS32_EXT_ZOL__ || __NDS32_EXT_DSP__)
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mfusr $r1, $LB
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mfusr $r2, $LE
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mfusr $r3, $LC
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smw.adm $r1, [$sp], $r4, #0x0 /* Save extra $r4 to keep stack 8-byte aligned. */
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#endif
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.endm
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