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semihosting: Split out guestfd.c

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In arm-compat-semi.c, we have more advanced treatment of
guest file descriptors than we do in other implementations.
Split out GuestFD and related functions to a new file so
that they can be shared.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2022-04-27 21:38:02 -07:00
parent 3d5e2b4f26
commit 1c6ff7205b
10 changed files with 233 additions and 142 deletions
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configs/targets/aarch64-linux-user.mak
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@@ -2,4 +2,5 @@ TARGET_ARCH=aarch64
TARGET_BASE_ARCH=arm
TARGET_XML_FILES= gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml
TARGET_HAS_BFLT=y
CONFIG_SEMIHOSTING=y
CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y
configs/targets/aarch64_be-linux-user.mak
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@@ -3,4 +3,5 @@ TARGET_BASE_ARCH=arm
TARGET_BIG_ENDIAN=y
TARGET_XML_FILES= gdb-xml/aarch64-core.xml gdb-xml/aarch64-fpu.xml
TARGET_HAS_BFLT=y
CONFIG_SEMIHOSTING=y
CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y
configs/targets/arm-linux-user.mak
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@@ -3,4 +3,5 @@ TARGET_SYSTBL_ABI=common,oabi
TARGET_SYSTBL=syscall.tbl
TARGET_XML_FILES= gdb-xml/arm-core.xml gdb-xml/arm-vfp.xml gdb-xml/arm-vfp3.xml gdb-xml/arm-vfp-sysregs.xml gdb-xml/arm-neon.xml gdb-xml/arm-m-profile.xml gdb-xml/arm-m-profile-mve.xml
TARGET_HAS_BFLT=y
CONFIG_SEMIHOSTING=y
CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y
configs/targets/armeb-linux-user.mak
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@@ -4,4 +4,5 @@ TARGET_SYSTBL=syscall.tbl
TARGET_BIG_ENDIAN=y
TARGET_XML_FILES= gdb-xml/arm-core.xml gdb-xml/arm-vfp.xml gdb-xml/arm-vfp3.xml gdb-xml/arm-vfp-sysregs.xml gdb-xml/arm-neon.xml gdb-xml/arm-m-profile.xml gdb-xml/arm-m-profile-mve.xml
TARGET_HAS_BFLT=y
CONFIG_SEMIHOSTING=y
CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y
configs/targets/riscv32-linux-user.mak
+1
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@@ -2,4 +2,5 @@ TARGET_ARCH=riscv32
TARGET_BASE_ARCH=riscv
TARGET_ABI_DIR=riscv
TARGET_XML_FILES= gdb-xml/riscv-32bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-32bit-virtual.xml
CONFIG_SEMIHOSTING=y
CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y
configs/targets/riscv64-linux-user.mak
+1
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@@ -2,4 +2,5 @@ TARGET_ARCH=riscv64
TARGET_BASE_ARCH=riscv
TARGET_ABI_DIR=riscv
TARGET_XML_FILES= gdb-xml/riscv-64bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-64bit-virtual.xml
CONFIG_SEMIHOSTING=y
CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y