From 522bd54edaa2fa404fd428f8ad0bcb0f0bec5639 Mon Sep 17 00:00:00 2001 From: Hongliang Wang Date: Tue, 26 Sep 2023 09:12:01 +0800 Subject: add loongarch64 port Author: Xiaojuan Zhai Author: Meidan Li Author: Guoqi Chen Author: Xiaolin Zhao Author: Fan peng Author: Jiantao Shan Author: Xuhui Qiang Author: Jingyun Hua Author: Liu xue Author: Hongliang Wang --- src/fenv/loongarch64/fenv.S | 78 ++++++++++++++++++++++++++++++ src/ldso/loongarch64/dlsym.s | 7 +++ src/setjmp/loongarch64/longjmp.S | 32 ++++++++++++ src/setjmp/loongarch64/setjmp.S | 34 +++++++++++++ src/signal/loongarch64/restore.s | 10 ++++ src/signal/loongarch64/sigsetjmp.s | 25 ++++++++++ src/thread/loongarch64/__set_thread_area.s | 7 +++ src/thread/loongarch64/__unmapself.s | 7 +++ src/thread/loongarch64/clone.s | 28 +++++++++++ src/thread/loongarch64/syscall_cp.s | 29 +++++++++++ 10 files changed, 257 insertions(+) create mode 100644 src/fenv/loongarch64/fenv.S create mode 100644 src/ldso/loongarch64/dlsym.s create mode 100644 src/setjmp/loongarch64/longjmp.S create mode 100644 src/setjmp/loongarch64/setjmp.S create mode 100644 src/signal/loongarch64/restore.s create mode 100644 src/signal/loongarch64/sigsetjmp.s create mode 100644 src/thread/loongarch64/__set_thread_area.s create mode 100644 src/thread/loongarch64/__unmapself.s create mode 100644 src/thread/loongarch64/clone.s create mode 100644 src/thread/loongarch64/syscall_cp.s (limited to 'src') diff --git a/src/fenv/loongarch64/fenv.S b/src/fenv/loongarch64/fenv.S new file mode 100644 index 00000000..9c38599e --- /dev/null +++ b/src/fenv/loongarch64/fenv.S @@ -0,0 +1,78 @@ +#ifndef __loongarch_soft_float + +#ifdef BROKEN_LOONGARCH_FCSR_ASM +#define FCSR $r0 +#else +#define FCSR $fcsr0 +#endif + +.global feclearexcept +.type feclearexcept,@function +feclearexcept: + li.w $t0, 0x1f0000 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + andn $t1, $t1, $a0 + movgr2fcsr FCSR, $t1 + li.w $a0, 0 + jr $ra + +.global feraiseexcept +.type feraiseexcept,@function +feraiseexcept: + li.w $t0, 0x1f0000 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + or $t1, $t1, $a0 + movgr2fcsr FCSR, $t1 + li.w $a0, 0 + jr $ra + +.global fetestexcept +.type fetestexcept,@function +fetestexcept: + li.w $t0, 0x1f0000 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + and $a0, $t1, $a0 + jr $ra + +.global fegetround +.type fegetround,@function +fegetround: + movfcsr2gr $t0, FCSR + andi $a0, $t0, 0x300 + jr $ra + +.global __fesetround +.hidden __fesetround +.type __fesetround,@function +__fesetround: + li.w $t0, 0x300 + and $a0, $a0, $t0 + movfcsr2gr $t1, FCSR + andn $t1, $t1, $t0 + or $t1, $t1, $a0 + movgr2fcsr FCSR, $t1 + li.w $a0, 0 + jr $ra + +.global fegetenv +.type fegetenv,@function +fegetenv: + movfcsr2gr $t0, FCSR + st.w $t0, $a0, 0 + li.w $a0, 0 + jr $ra + +.global fesetenv +.type fesetenv,@function +fesetenv: + addi.d $t0, $a0, 1 + beq $t0, $r0, 1f + ld.w $t0, $a0, 0 +1: movgr2fcsr FCSR, $t0 + li.w $a0, 0 + jr $ra + +#endif diff --git a/src/ldso/loongarch64/dlsym.s b/src/ldso/loongarch64/dlsym.s new file mode 100644 index 00000000..26fabcdb --- /dev/null +++ b/src/ldso/loongarch64/dlsym.s @@ -0,0 +1,7 @@ +.global dlsym +.hidden __dlsym +.type dlsym,@function +dlsym: + move $a2, $ra + la.global $t0, __dlsym + jr $t0 diff --git a/src/setjmp/loongarch64/longjmp.S b/src/setjmp/loongarch64/longjmp.S new file mode 100644 index 00000000..896d2e26 --- /dev/null +++ b/src/setjmp/loongarch64/longjmp.S @@ -0,0 +1,32 @@ +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + ld.d $ra, $a0, 0 + ld.d $sp, $a0, 8 + ld.d $r21,$a0, 16 + ld.d $fp, $a0, 24 + ld.d $s0, $a0, 32 + ld.d $s1, $a0, 40 + ld.d $s2, $a0, 48 + ld.d $s3, $a0, 56 + ld.d $s4, $a0, 64 + ld.d $s5, $a0, 72 + ld.d $s6, $a0, 80 + ld.d $s7, $a0, 88 + ld.d $s8, $a0, 96 +#ifndef __loongarch_soft_float + fld.d $fs0, $a0, 104 + fld.d $fs1, $a0, 112 + fld.d $fs2, $a0, 120 + fld.d $fs3, $a0, 128 + fld.d $fs4, $a0, 136 + fld.d $fs5, $a0, 144 + fld.d $fs6, $a0, 152 + fld.d $fs7, $a0, 160 +#endif + sltui $a0, $a1, 1 + add.d $a0, $a0, $a1 + jr $ra diff --git a/src/setjmp/loongarch64/setjmp.S b/src/setjmp/loongarch64/setjmp.S new file mode 100644 index 00000000..d158a3d2 --- /dev/null +++ b/src/setjmp/loongarch64/setjmp.S @@ -0,0 +1,34 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +__setjmp: +_setjmp: +setjmp: + st.d $ra, $a0, 0 + st.d $sp, $a0, 8 + st.d $r21,$a0, 16 + st.d $fp, $a0, 24 + st.d $s0, $a0, 32 + st.d $s1, $a0, 40 + st.d $s2, $a0, 48 + st.d $s3, $a0, 56 + st.d $s4, $a0, 64 + st.d $s5, $a0, 72 + st.d $s6, $a0, 80 + st.d $s7, $a0, 88 + st.d $s8, $a0, 96 +#ifndef __loongarch_soft_float + fst.d $fs0, $a0, 104 + fst.d $fs1, $a0, 112 + fst.d $fs2, $a0, 120 + fst.d $fs3, $a0, 128 + fst.d $fs4, $a0, 136 + fst.d $fs5, $a0, 144 + fst.d $fs6, $a0, 152 + fst.d $fs7, $a0, 160 +#endif + move $a0, $zero + jr $ra diff --git a/src/signal/loongarch64/restore.s b/src/signal/loongarch64/restore.s new file mode 100644 index 00000000..d90a8ebb --- /dev/null +++ b/src/signal/loongarch64/restore.s @@ -0,0 +1,10 @@ +.global __restore_rt +.global __restore +.hidden __restore_rt +.hidden __restore +.type __restore_rt,@function +.type __restore,@function +__restore_rt: +__restore: + li.w $a7, 139 + syscall 0 diff --git a/src/signal/loongarch64/sigsetjmp.s b/src/signal/loongarch64/sigsetjmp.s new file mode 100644 index 00000000..9c0e3ae2 --- /dev/null +++ b/src/signal/loongarch64/sigsetjmp.s @@ -0,0 +1,25 @@ +.global sigsetjmp +.global __sigsetjmp +.type sigsetjmp,@function +.type __sigsetjmp,@function +sigsetjmp: +__sigsetjmp: + beq $a1, $zero, 1f + st.d $ra, $a0, 184 + st.d $s0, $a0, 200 #184+8+8 + move $s0, $a0 + + la.global $t0, setjmp + jirl $ra, $t0, 0 + + move $a1, $a0 # Return from 'setjmp' or 'longjmp' + move $a0, $s0 + ld.d $ra, $a0, 184 + ld.d $s0, $a0, 200 #184+8+8 + +.hidden __sigsetjmp_tail + la.global $t0, __sigsetjmp_tail + jr $t0 +1: + la.global $t0, setjmp + jr $t0 diff --git a/src/thread/loongarch64/__set_thread_area.s b/src/thread/loongarch64/__set_thread_area.s new file mode 100644 index 00000000..021307fc --- /dev/null +++ b/src/thread/loongarch64/__set_thread_area.s @@ -0,0 +1,7 @@ +.global __set_thread_area +.hidden __set_thread_area +.type __set_thread_area,@function +__set_thread_area: + move $tp, $a0 + move $a0, $zero + jr $ra diff --git a/src/thread/loongarch64/__unmapself.s b/src/thread/loongarch64/__unmapself.s new file mode 100644 index 00000000..719ad056 --- /dev/null +++ b/src/thread/loongarch64/__unmapself.s @@ -0,0 +1,7 @@ +.global __unmapself +.type __unmapself, @function +__unmapself: + li.d $a7, 215 # call munmap + syscall 0 + li.d $a7, 93 # call exit + syscall 0 diff --git a/src/thread/loongarch64/clone.s b/src/thread/loongarch64/clone.s new file mode 100644 index 00000000..e971ab4b --- /dev/null +++ b/src/thread/loongarch64/clone.s @@ -0,0 +1,28 @@ +#__clone(func, stack, flags, arg, ptid, tls, ctid) +# a0, a1, a2, a3, a4, a5, a6 +# sys_clone(flags, stack, ptid, ctid, tls) +# a0, a1, a2, a3, a4 + +.global __clone +.hidden __clone +.type __clone,@function +__clone: + # Save function pointer and argument pointer on new thread stack + addi.d $a1, $a1, -16 + st.d $a0, $a1, 0 # save function pointer + st.d $a3, $a1, 8 # save argument pointer + or $a0, $a2, $zero + or $a2, $a4, $zero + or $a3, $a6, $zero + or $a4, $a5, $zero + ori $a7, $zero, 220 + syscall 0 # call clone + + beqz $a0, 1f # whether child process + jirl $zero, $ra, 0 # parent process return +1: + ld.d $t8, $sp, 0 # function pointer + ld.d $a0, $sp, 8 # argument pointer + jirl $ra, $t8, 0 # call the user's function + ori $a7, $zero, 93 + syscall 0 # child process exit diff --git a/src/thread/loongarch64/syscall_cp.s b/src/thread/loongarch64/syscall_cp.s new file mode 100644 index 00000000..c057a97b --- /dev/null +++ b/src/thread/loongarch64/syscall_cp.s @@ -0,0 +1,29 @@ +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm,@function + +__syscall_cp_asm: +__cp_begin: + ld.w $a0, $a0, 0 + bnez $a0, __cp_cancel + move $t8, $a1 # reserve system call number + move $a0, $a2 + move $a1, $a3 + move $a2, $a4 + move $a3, $a5 + move $a4, $a6 + move $a5, $a7 + move $a7, $t8 + syscall 0 +__cp_end: + jr $ra +__cp_cancel: + la.local $t8, __cancel + jr $t8 -- cgit v1.2.1