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Implement invokeNative asm code for armasm64 assembler on ARM64 Windows
Signed-off-by: Hiroshi Hatake <cosmo0920.oucc@gmail.com>
1 parent 95f506a commit 8c34967

3 files changed

Lines changed: 199 additions & 2 deletions

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‎core/iwasm/common/arch/invokeNative_armasm64.asm‎

Lines changed: 73 additions & 0 deletions
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; Copyright (C) 2019 Intel Corporation. All rights reserved.
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; SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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AREA |.text|, CODE, READONLY, ALIGN=2
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EXPORT invokeNative
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; ------------------------ direct call path ------------------------
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call_func
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mov x20, x30 ; save x30(lr)
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blr x19
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mov sp, x22 ; restore sp saved before function call
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return_label
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mov x30, x20 ; restore x30(lr)
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ldp x19, x20, [sp, #0x20]
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ldp x21, x22, [sp, #0x10]
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ldp x23, x24, [sp, #0x0]
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add sp, sp, #0x30
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ret
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; ------------------------ stack-args path ------------------------
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handle_stack
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; Reserve aligned stack space for stack arguments and copy them
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mov x23, sp
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bic sp, x23, #15 ; Ensure 16-byte alignment
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lsl x23, x21, #3 ; x23 = nstacks * 8
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add x23, x23, #15
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bic x23, x23, #15
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sub sp, sp, x23
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mov x23, sp
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copy_loop
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cmp x21, #0
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b.eq call_func ; when done, branch back to call path
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ldr x24, [x20], #8
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str x24, [x23], #8
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sub x21, x21, #1
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b copy_loop
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; ------------------------ function entry ------------------------
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invokeNative
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sub sp, sp, #0x30
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stp x19, x20, [sp, #0x20] ; save the registers
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stp x21, x22, [sp, #0x10]
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stp x23, x24, [sp, #0x0]
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mov x19, x0 ; x19 = function ptr
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mov x20, x1 ; x20 = argv
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mov x21, x2 ; x21 = nstacks
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mov x22, sp ; save the sp before call function
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; Fill in floating-point registers
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ldp d0, d1, [x20], #16
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ldp d2, d3, [x20], #16
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ldp d4, d5, [x20], #16
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ldp d6, d7, [x20], #16
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; Fill integer registers
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ldp x0, x1, [x20], #16 ; x0 = argv[8] = exec_env, x1 = argv[9]
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ldp x2, x3, [x20], #16
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ldp x4, x5, [x20], #16
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ldp x6, x7, [x20], #16
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; Now x20 points to stack args
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cmp x21, #0
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b.ne handle_stack ; backward: there are stack args
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b call_func ; backward: no stack args
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END

‎core/iwasm/common/arch/invokeNative_armasm64_simd.asm‎

Lines changed: 73 additions & 0 deletions
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; Copyright (C) 2019 Intel Corporation. All rights reserved.
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; SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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AREA |.text|, CODE, READONLY, ALIGN=2
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EXPORT invokeNative
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; ------------------------ direct call path ------------------------
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call_func
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mov x20, x30 ; save x30(lr)
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blr x19
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mov sp, x22 ; restore sp saved before function call
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return_label
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mov x30, x20 ; restore x30(lr)
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ldp x19, x20, [sp, #0x20]
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ldp x21, x22, [sp, #0x10]
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ldp x23, x24, [sp, #0x0]
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add sp, sp, #0x30
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ret
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; ------------------------ stack-args path ------------------------
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handle_stack
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; Reserve aligned stack space for stack arguments and copy them
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mov x23, sp
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bic sp, x23, #15 ; Ensure 16-byte alignment
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lsl x23, x21, #3 ; x23 = nstacks * 8
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add x23, x23, #15
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bic x23, x23, #15
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sub sp, sp, x23
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mov x23, sp
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copy_loop
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cmp x21, #0
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b.eq call_func ; when done, branch back to call path
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ldr x24, [x20], #8
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str x24, [x23], #8
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sub x21, x21, #1
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b copy_loop
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; ------------------------ function entry ------------------------
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invokeNative
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sub sp, sp, #0x30
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stp x19, x20, [sp, #0x20] ; save the registers
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stp x21, x22, [sp, #0x10]
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stp x23, x24, [sp, #0x0]
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mov x19, x0 ; x19 = function ptr
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mov x20, x1 ; x20 = argv
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mov x21, x2 ; x21 = nstacks
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mov x22, sp ; save the sp before call function
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; Fill in floating-point registers
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; v0 = argv[0], v1 = argv[1], v2 = argv[2], v3 = argv[3]
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ld1 {v0.2D, v1.2D, v2.2D, v3.2D}, [x20], #64
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; v4 = argv[4], v5 = argv[5], v6 = argv[6], v7 = argv[7]
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ld1 {v4.2D, v5.2D, v6.2D, v7.2D}, [x20], #64
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; Fill integer registers
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ldp x0, x1, [x20], #16 ; x0 = argv[8] = exec_env, x1 = argv[9]
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ldp x2, x3, [x20], #16
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ldp x4, x5, [x20], #16
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ldp x6, x7, [x20], #16
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; Now x20 points to stack args
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cmp x21, #0
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b.ne handle_stack ; (backward) there are stack args
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b call_func ; (backward) no stack args
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END

‎core/iwasm/common/iwasm_common.cmake‎

Lines changed: 53 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4,6 +4,29 @@
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set (IWASM_COMMON_DIR ${CMAKE_CURRENT_LIST_DIR})
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include_directories (${IWASM_COMMON_DIR})
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if (MSVC AND WAMR_BUILD_PLATFORM STREQUAL "windows" AND WAMR_BUILD_TARGET MATCHES "AARCH64.*")
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if (DEFINED ENV{VCToolsInstallDir})
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set(CMAKE_ASM_MASM_COMPILER
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"$ENV{VCToolsInstallDir}/bin/HostARM64/arm64/armasm64.exe"
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CACHE FILEPATH "" FORCE)
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set(CMAKE_ASM_MASM_COMPILE_OBJECT
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"<CMAKE_ASM_MASM_COMPILER> /nologo -o <OBJECT> <SOURCE>"
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CACHE STRING "" FORCE)
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set(_WAMR_ARM64_MASM_SOURCES
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${IWASM_COMMON_DIR}/arch/invokeNative_armarm64.asm
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${IWASM_COMMON_DIR}/arch/invokeNative_armarm64_simd.asm)
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foreach(_s IN LISTS _WAMR_ARM64_MASM_SOURCES)
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if (EXISTS "${_s}")
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set_source_files_properties("${_s}" PROPERTIES
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LANGUAGE ASM_MASM
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COMPILE_OPTIONS "/nologo"
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)
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endif()
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endforeach()
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else()
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message(FATAL_ERROR "VCToolsInstallDir is not defined. Please run from a Developer Command Prompt or specify armasm64.exe manually.")
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endif()
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endif()
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add_definitions(-DBH_MALLOC=wasm_runtime_malloc)
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add_definitions(-DBH_FREE=wasm_runtime_free)
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endif ()
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elseif (WAMR_BUILD_TARGET MATCHES "AARCH64.*")
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if (NOT WAMR_BUILD_SIMD EQUAL 1)
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64.s)
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if (WAMR_BUILD_PLATFORM STREQUAL "windows")
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if (MSVC)
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64.asm)
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set(_WAMR_ARM64_MASM_SOURCES ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64.asm)
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set_source_files_properties(${_WAMR_ARM64_MASM_SOURCES}
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PROPERTIES
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LANGUAGE ASM_MASM
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COMPILE_DEFINITIONS ""
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INCLUDE_DIRECTORIES ""
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COMPILE_OPTIONS "/nologo"
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)
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endif ()
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else ()
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64.s)
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endif ()
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else()
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64_simd.s)
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if (WAMR_BUILD_PLATFORM STREQUAL "windows")
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if (MSVC)
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64_simd.asm)
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set(_WAMR_ARM64_MASM_SOURCES_SIMD ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64_simd.asm)
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set_source_files_properties(${_WAMR_ARM64_MASM_SOURCES_SIMD}
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PROPERTIES
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LANGUAGE ASM_MASM
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COMPILE_DEFINITIONS ""
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INCLUDE_DIRECTORIES ""
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COMPILE_OPTIONS "/nologo"
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)
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endif ()
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else ()
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64_simd.s)
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endif ()
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endif()
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elseif (WAMR_BUILD_TARGET STREQUAL "MIPS")
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set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_mips.s)

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