diff options
Diffstat (limited to 'toolchain/gcc/patches/4.5.2/995-fa526.patch')
| -rw-r--r-- | toolchain/gcc/patches/4.5.2/995-fa526.patch | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/4.5.2/995-fa526.patch b/toolchain/gcc/patches/4.5.2/995-fa526.patch new file mode 100644 index 000000000..24a86b4fa --- /dev/null +++ b/toolchain/gcc/patches/4.5.2/995-fa526.patch @@ -0,0 +1,257 @@ +--- a/gcc/config/arm/arm-cores.def ++++ b/gcc/config/arm/arm-cores.def +@@ -74,6 +74,7 @@ ARM_CORE("strongarm", strongarm, 4, + ARM_CORE("strongarm110", strongarm110, 4, FL_MODE26 | FL_LDSCHED | FL_STRONG, fastmul) + ARM_CORE("strongarm1100", strongarm1100, 4, FL_MODE26 | FL_LDSCHED | FL_STRONG, fastmul) + ARM_CORE("strongarm1110", strongarm1110, 4, FL_MODE26 | FL_LDSCHED | FL_STRONG, fastmul) ++ARM_CORE("fa526", fa526, 4, FL_LDSCHED, fastmul) + + /* V4T Architecture Processors */ + ARM_CORE("arm7tdmi", arm7tdmi, 4T, FL_CO_PROC , fastmul) +--- a/gcc/config/arm/arm.md ++++ b/gcc/config/arm/arm.md +@@ -435,7 +435,7 @@ + + (define_attr "generic_sched" "yes,no" + (const (if_then_else +- (ior (eq_attr "tune" "arm926ejs,arm1020e,arm1026ejs,arm1136js,arm1136jfs,cortexa5,cortexa8,cortexa9,cortexm4") ++ (ior (eq_attr "tune" "fa526,arm926ejs,arm1020e,arm1026ejs,arm1136js,arm1136jfs,cortexa5,cortexa8,cortexa9,cortexm4") + (eq_attr "tune_cortexr4" "yes")) + (const_string "no") + (const_string "yes")))) +@@ -467,6 +467,7 @@ + (include "arm1020e.md") + (include "arm1026ejs.md") + (include "arm1136jfs.md") ++(include "fa526.md") + (include "cortex-a5.md") + (include "cortex-a8.md") + (include "cortex-a9.md") +--- a/gcc/config/arm/arm-tune.md ++++ b/gcc/config/arm/arm-tune.md +@@ -1,5 +1,5 @@ + ;; -*- buffer-read-only: t -*- + ;; Generated automatically by gentune.sh from arm-cores.def + (define_attr "tune" +- "arm2,arm250,arm3,arm6,arm60,arm600,arm610,arm620,arm7,arm7d,arm7di,arm70,arm700,arm700i,arm710,arm720,arm710c,arm7100,arm7500,arm7500fe,arm7m,arm7dm,arm7dmi,arm8,arm810,strongarm,strongarm110,strongarm1100,strongarm1110,arm7tdmi,arm7tdmis,arm710t,arm720t,arm740t,arm9,arm9tdmi,arm920,arm920t,arm922t,arm940t,ep9312,arm10tdmi,arm1020t,arm9e,arm946es,arm966es,arm968es,arm10e,arm1020e,arm1022e,xscale,iwmmxt,iwmmxt2,arm926ejs,arm1026ejs,arm1136js,arm1136jfs,arm1176jzs,arm1176jzfs,mpcorenovfp,mpcore,arm1156t2s,arm1156t2fs,cortexa5,cortexa8,cortexa9,cortexr4,cortexr4f,cortexm4,cortexm3,cortexm1,cortexm0" ++ "arm2,arm250,arm3,arm6,arm60,arm600,arm610,arm620,arm7,arm7d,arm7di,arm70,arm700,arm700i,arm710,arm720,arm710c,arm7100,arm7500,arm7500fe,arm7m,arm7dm,arm7dmi,arm8,arm810,strongarm,strongarm110,strongarm1100,strongarm1110,fa526,arm7tdmi,arm7tdmis,arm710t,arm720t,arm740t,arm9,arm9tdmi,arm920,arm920t,arm922t,arm940t,ep9312,arm10tdmi,arm1020t,arm9e,arm946es,arm966es,arm968es,arm10e,arm1020e,arm1022e,xscale,iwmmxt,iwmmxt2,arm926ejs,arm1026ejs,arm1136js,arm1136jfs,arm1176jzs,arm1176jzfs,mpcorenovfp,mpcore,arm1156t2s,arm1156t2fs,cortexa5,cortexa8,cortexa9,cortexr4,cortexr4f,cortexm4,cortexm3,cortexm1,cortexm0" + (const (symbol_ref "((enum attr_tune) arm_tune)"))) +--- a/gcc/config/arm/bpabi.h ++++ b/gcc/config/arm/bpabi.h +@@ -52,7 +52,8 @@ + /* The BPABI integer comparison routines return { -1, 0, 1 }. */ + #define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI + +-#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}" ++#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*\ ++|march=armv4|mcpu=fa526:--fix-v4bx}" + + #define BE8_LINK_SPEC " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5|mcpu=cortex-a8|mcpu=cortex-a9:%{!r:--be8}}}" + +--- /dev/null ++++ b/gcc/config/arm/fa526.md +@@ -0,0 +1,161 @@ ++;; Faraday FA526 Pipeline Description ++;; Copyright (C) 2010 Free Software Foundation, Inc. ++;; Written by I-Jui Sung, based on ARM926EJ-S Pipeline Description. ++ ++;; This file is part of GCC. ++;; ++;; GCC is free software; you can redistribute it and/or modify it under ++;; the terms of the GNU General Public License as published by the Free ++;; Software Foundation; either version 3, or (at your option) any later ++;; version. ++;; ++;; GCC is distributed in the hope that it will be useful, but WITHOUT ANY ++;; WARRANTY; without even the implied warranty of MERCHANTABILITY or ++;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++;; for more details. ++;; ++;; You should have received a copy of the GNU General Public License ++;; along with GCC; see the file COPYING3. If not see ++;; <http://www.gnu.org/licenses/>. */ ++ ++;; These descriptions are based on the information contained in the ++;; FA526 Core Design Note, Copyright (c) 2010 Faraday Technology Corp. ++;; ++;; Modeled pipeline characteristics: ++;; LD -> any use: latency = 3 (2 cycle penalty). ++;; ALU -> any use: latency = 2 (1 cycle penalty). ++ ++;; This automaton provides a pipeline description for the Faraday ++;; FA526 core. ++;; ++;; The model given here assumes that the condition for all conditional ++;; instructions is "true", i.e., that all of the instructions are ++;; actually executed. ++ ++(define_automaton "fa526") ++ ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++;; Pipelines ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++ ++;; There is a single pipeline ++;; ++;; The ALU pipeline has fetch, decode, execute, memory, and ++;; write stages. We only need to model the execute, memory and write ++;; stages. ++ ++;; S E M W ++ ++(define_cpu_unit "fa526_core" "fa526") ++ ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++;; ALU Instructions ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++ ++;; ALU instructions require two cycles to execute, and use the ALU ++;; pipeline in each of the three stages. The results are available ++;; after the execute stage stage has finished. ++;; ++;; If the destination register is the PC, the pipelines are stalled ++;; for several cycles. That case is not modeled here. ++ ++;; ALU operations ++(define_insn_reservation "526_alu_op" 1 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "alu")) ++ "fa526_core") ++ ++(define_insn_reservation "526_alu_shift_op" 2 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "alu_shift,alu_shift_reg")) ++ "fa526_core") ++ ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++;; Multiplication Instructions ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++ ++(define_insn_reservation "526_mult1" 2 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "insn" "smlalxy,smulxy,smlaxy,smlalxy")) ++ "fa526_core") ++ ++(define_insn_reservation "526_mult2" 5 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "insn" "mul,mla,muls,mlas,umull,umlal,smull,smlal,umulls,\ ++ umlals,smulls,smlals,smlawx")) ++ "fa526_core*4") ++ ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++;; Load/Store Instructions ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++ ++;; The models for load/store instructions do not accurately describe ++;; the difference between operations with a base register writeback ++;; (such as "ldm!"). These models assume that all memory references ++;; hit in dcache. ++ ++(define_insn_reservation "526_load1_op" 3 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "load1,load_byte")) ++ "fa526_core") ++ ++(define_insn_reservation "526_load2_op" 4 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "load2")) ++ "fa526_core*2") ++ ++(define_insn_reservation "526_load3_op" 5 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "load3")) ++ "fa526_core*3") ++ ++(define_insn_reservation "526_load4_op" 6 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "load4")) ++ "fa526_core*4") ++ ++(define_insn_reservation "526_store1_op" 0 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "store1")) ++ "fa526_core") ++ ++(define_insn_reservation "526_store2_op" 1 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "store2")) ++ "fa526_core*2") ++ ++(define_insn_reservation "526_store3_op" 2 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "store3")) ++ "fa526_core*3") ++ ++(define_insn_reservation "526_store4_op" 3 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "store4")) ++ "fa526_core*4") ++ ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++;; Branch and Call Instructions ++;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ++ ++;; Branch instructions are difficult to model accurately. The FA526 ++;; core can predict most branches. If the branch is predicted ++;; correctly, and predicted early enough, the branch can be completely ++;; eliminated from the instruction stream. Some branches can ++;; therefore appear to require zero cycle to execute. We assume that ++;; all branches are predicted correctly, and that the latency is ++;; therefore the minimum value. ++ ++(define_insn_reservation "526_branch_op" 0 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "branch")) ++ "fa526_core") ++ ++;; The latency for a call is actually the latency when the result is available. ++;; i.e. R0 ready for int return value. For most cases, the return value is set ++;; by a mov instruction, which has 1 cycle latency. ++(define_insn_reservation "526_call_op" 1 ++ (and (eq_attr "tune" "fa526") ++ (eq_attr "type" "call")) ++ "fa526_core") ++ +--- a/gcc/config/arm/t-arm ++++ b/gcc/config/arm/t-arm +@@ -24,6 +24,7 @@ MD_INCLUDES= $(srcdir)/config/arm/arm-t + $(srcdir)/config/arm/arm1020e.md \ + $(srcdir)/config/arm/arm1026ejs.md \ + $(srcdir)/config/arm/arm1136jfs.md \ ++ $(srcdir)/config/arm/fa526.md \ + $(srcdir)/config/arm/arm926ejs.md \ + $(srcdir)/config/arm/cirrus.md \ + $(srcdir)/config/arm/fpa.md \ +--- a/gcc/config/arm/t-arm-elf ++++ b/gcc/config/arm/t-arm-elf +@@ -36,6 +36,10 @@ MULTILIB_DIRNAMES = arm thumb + MULTILIB_EXCEPTIONS = + MULTILIB_MATCHES = + ++#MULTILIB_OPTIONS += mcpu=fa526 ++#MULTILIB_DIRNAMES += fa526 ++#MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=fa526 ++ + #MULTILIB_OPTIONS += march=armv7 + #MULTILIB_DIRNAMES += thumb2 + #MULTILIB_EXCEPTIONS += march=armv7* marm/*march=armv7* +@@ -52,6 +56,7 @@ MULTILIB_MATCHES = + MULTILIB_OPTIONS += mfloat-abi=hard + MULTILIB_DIRNAMES += fpu + MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard* ++MULTILIB_EXCEPTIONS += *mcpu=fa526/*mfloat-abi=hard* + + # MULTILIB_OPTIONS += mcpu=ep9312 + # MULTILIB_DIRNAMES += ep9312 +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -9900,7 +9900,8 @@ assembly code. Permissible names are: @ + @samp{cortex-r4}, @samp{cortex-r4f}, @samp{cortex-m4}, @samp{cortex-m3}, + @samp{cortex-m1}, + @samp{cortex-m0}, +-@samp{xscale}, @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312}. ++@samp{xscale}, @samp{iwmmxt}, @samp{iwmmxt2}, @samp{ep9312}, ++@samp{fa526}. + + @item -mtune=@var{name} + @opindex mtune |