From 49627124928f066320b7c2d2ba7501eac5c4fc63 Mon Sep 17 00:00:00 2001 From: qiangxuhui Date: Mon, 1 Apr 2024 07:16:47 +0000 Subject: [PATCH] loongarch64 support for fibers Add loongarch64 assembly files from Boost, needed for fibers support, and hook up loongarch64 fibers support during configure. Close GH-13914 --- Zend/asm/jump_loongarch64_sysv_elf_gas.S | 121 +++++++++++++++++++++++ Zend/asm/make_loongarch64_sysv_elf_gas.S | 72 ++++++++++++++ configure.ac | 2 + 3 files changed, 195 insertions(+) create mode 100644 Zend/asm/jump_loongarch64_sysv_elf_gas.S create mode 100644 Zend/asm/make_loongarch64_sysv_elf_gas.S --- /dev/null +++ b/Zend/asm/jump_loongarch64_sysv_elf_gas.S @@ -0,0 +1,121 @@ +/******************************************************* + * * + * ------------------------------------------------- * + * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | * + * ------------------------------------------------- * + * | 0 | 8 | 16 | 24 | * + * ------------------------------------------------- * + * | FS0 | FS1 | FS2 | FS3 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | * + * ------------------------------------------------- * + * | 32 | 40 | 48 | 56 | * + * ------------------------------------------------- * + * | FS4 | FS5 | FS6 | FS7 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | * + * ------------------------------------------------- * + * | 64 | 72 | 80 | 88 | * + * ------------------------------------------------- * + * | S0 | S1 | S2 | S3 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | * + * ------------------------------------------------- * + * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | * + * ------------------------------------------------- * + * | S4 | S5 | S6 | S7 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | * + * ------------------------------------------------- * + * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | * + * ------------------------------------------------- * + * | S8 | FP | RA | PC | * + * ------------------------------------------------- * + * * + * *****************************************************/ + +.file "jump_loongarch64_sysv_elf_gas.S" +.text +.globl jump_fcontext +.align 2 +.type jump_fcontext,@function +jump_fcontext: + # reserve space on stack + addi.d $sp, $sp, -160 + + # save fs0 - fs7 + fst.d $fs0, $sp, 0 + fst.d $fs1, $sp, 8 + fst.d $fs2, $sp, 16 + fst.d $fs3, $sp, 24 + fst.d $fs4, $sp, 32 + fst.d $fs5, $sp, 40 + fst.d $fs6, $sp, 48 + fst.d $fs7, $sp, 56 + + # save s0 - s8, fp, ra + st.d $s0, $sp, 64 + st.d $s1, $sp, 72 + st.d $s2, $sp, 80 + st.d $s3, $sp, 88 + st.d $s4, $sp, 96 + st.d $s5, $sp, 104 + st.d $s6, $sp, 112 + st.d $s7, $sp, 120 + st.d $s8, $sp, 128 + st.d $fp, $sp, 136 + st.d $ra, $sp, 144 + + # save RA as PC + st.d $ra, $sp, 152 + + # store SP (pointing to context-data) in A2 + move $a2, $sp + + # restore SP (pointing to context-data) from A0 + move $sp, $a0 + + # load fs0 - fs7 + fld.d $fs0, $sp, 0 + fld.d $fs1, $sp, 8 + fld.d $fs2, $sp, 16 + fld.d $fs3, $sp, 24 + fld.d $fs4, $sp, 32 + fld.d $fs5, $sp, 40 + fld.d $fs6, $sp, 48 + fld.d $fs7, $sp, 56 + + #load s0 - s7 + ld.d $s0, $sp, 64 + ld.d $s1, $sp, 72 + ld.d $s2, $sp, 80 + ld.d $s3, $sp, 88 + ld.d $s4, $sp, 96 + ld.d $s5, $sp, 104 + ld.d $s6, $sp, 112 + ld.d $s7, $sp, 120 + ld.d $s8, $sp, 128 + ld.d $fp, $sp, 136 + ld.d $ra, $sp, 144 + + # return transfer_t from jump + # pass transfer_t as first arg in context function + # a0 == FCTX, a1 == DATA + move $a0, $a2 + + # load PC + ld.d $a2, $sp, 152 + + # restore stack + addi.d $sp, $sp, 160 + + # jump to context + jr $a2 +.size jump_fcontext, .-jump_fcontext + +/* Mark that we don't need executable stack. */ +.section .note.GNU-stack,"",%progbits --- /dev/null +++ b/Zend/asm/make_loongarch64_sysv_elf_gas.S @@ -0,0 +1,72 @@ +/******************************************************* + * * + * ------------------------------------------------- * + * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | * + * ------------------------------------------------- * + * | 0 | 8 | 16 | 24 | * + * ------------------------------------------------- * + * | FS0 | FS1 | FS2 | FS3 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | * + * ------------------------------------------------- * + * | 32 | 40 | 48 | 56 | * + * ------------------------------------------------- * + * | FS4 | FS5 | FS6 | FS7 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | * + * ------------------------------------------------- * + * | 64 | 72 | 80 | 88 | * + * ------------------------------------------------- * + * | S0 | S1 | S2 | S3 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | * + * ------------------------------------------------- * + * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | * + * ------------------------------------------------- * + * | S4 | S5 | S6 | S7 | * + * ------------------------------------------------- * + * ------------------------------------------------- * + * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | * + * ------------------------------------------------- * + * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | * + * ------------------------------------------------- * + * | S8 | FP | RA | PC | * + * ------------------------------------------------- * + * * + * *****************************************************/ + +.file "make_loongarch64_sysv_elf_gas.S" +.text +.globl make_fcontext +.align 2 +.type make_fcontext,@function +make_fcontext: + # shift address in A0 to lower 16 byte boundary + bstrins.d $a0, $zero, 3, 0 + + # reserve space for context-data on context-stack + addi.d $a0, $a0, -160 + + # third arg of make_fcontext() == address of context-function + st.d $a2, $a0, 152 + + # save address of finish as return-address for context-function + # will be entered after context-function returns + la.local $a4, finish + st.d $a4, $a0, 144 + + # return pointer to context-data + jr $ra + +finish: + # exit code is zero + li.d $a0, 0 + # call _exit(0) + b %plt(_exit) + +.size make_fcontext, .-make_fcontext +/* Mark that we don't need executable stack. */ +.section .note.GNU-stack,"",%progbits --- a/configure.ac +++ b/configure.ac @@ -1281,6 +1281,7 @@ AS_CASE([$host_cpu], [ppc*|powerpc*], [fiber_cpu="ppc32"], [riscv64*], [fiber_cpu="riscv64"], [s390x*], [fiber_cpu="s390x"], + [loongarch64*], [fiber_cpu="loongarch64"], [mips64*], [fiber_cpu="mips64"], [mips*], [fiber_cpu="mips32"], [fiber_cpu="unknown"] @@ -1302,6 +1303,7 @@ AS_CASE([$fiber_cpu], [ppc32], [fiber_asm_file_prefix="ppc32_sysv"], [riscv64], [fiber_asm_file_prefix="riscv64_sysv"], [s390x], [fiber_asm_file_prefix="s390x_sysv"], + [loongarch64], [fiber_asm_file_prefix="loongarch64_sysv"], [mips64], [fiber_asm_file_prefix="mips64_n64"], [mips32], [fiber_asm_file_prefix="mips32_o32"], [fiber_asm_file_prefix="unknown"]