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Re: [Qemu-arm] [PATCH v4 26/49] tests/tcg: move ARM specific tests into
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-arm] [PATCH v4 26/49] tests/tcg: move ARM specific tests into subdir |
Date: |
Fri, 18 May 2018 12:26:30 -0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 |
On 05/17/2018 02:46 PM, Alex Bennée wrote:
> These only need to be built for ARM guests.
>
> Signed-off-by: Alex Bennée <address@hidden>
> Reviewed-by: Thomas Huth <address@hidden>
> Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> Tested-by: Philippe Mathieu-Daudé <address@hidden>
> Reviewed-by: Richard Henderson <address@hidden>
>
> ---
> v2
> - do VPATH manipulation in tests/tcg/arm/Makefile.target
> - merge with fix hello-arm test
> v4
> - update MAINTAINERS
> ---
> MAINTAINERS | 1 +
> tests/tcg/README | 9 ---------
> tests/tcg/arm/Makefile.target | 13 +++++++++++++
> tests/tcg/arm/README | 11 +++++++++++
> tests/tcg/{ => arm}/hello-arm.c | 0
> tests/tcg/{ => arm}/test-arm-iwmmxt.s | 0
> 6 files changed, 25 insertions(+), 9 deletions(-)
> create mode 100644 tests/tcg/arm/Makefile.target
> create mode 100644 tests/tcg/arm/README
> rename tests/tcg/{ => arm}/hello-arm.c (100%)
> rename tests/tcg/{ => arm}/test-arm-iwmmxt.s (100%)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 17b9fc0fbe..4e331c4db4 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -135,6 +135,7 @@ M: Peter Maydell <address@hidden>
> L: address@hidden
> S: Maintained
> F: target/arm/
> +F: tests/tcg/arm/
> F: hw/arm/
> F: hw/cpu/a*mpcore.c
> F: include/hw/cpu/a*mpcore.h
> diff --git a/tests/tcg/README b/tests/tcg/README
> index 469504c4cb..625f2326e6 100644
> --- a/tests/tcg/README
> +++ b/tests/tcg/README
> @@ -5,15 +5,6 @@ or they are architecture specific.
>
>
>
> -ARM
> -===
> -
> -hello-arm
> ----------
> -
> -test-arm-iwmmxt
> ----------------
> -
> MIPS
> ====
>
> diff --git a/tests/tcg/arm/Makefile.target b/tests/tcg/arm/Makefile.target
> new file mode 100644
> index 0000000000..bc6962ecc6
> --- /dev/null
> +++ b/tests/tcg/arm/Makefile.target
> @@ -0,0 +1,13 @@
> +# -*- Mode: makefile -*-
> +#
> +# ARM - included from tests/tcg/Makefile.target
> +#
> +
> +ARM_SRC=$(SRC_PATH)/tests/tcg/arm
> +
> +# Set search path for all sources
> +VPATH += $(ARM_SRC)
> +
> +
> +hello-arm: CFLAGS+=-marm -ffreestanding
So we are only testing the ARMv7, but linux-user provides ARMv5 and
ARMv6 cpus.
There are still boards shipped with those cpus, so I think QEMU will
still be useful nowadays with those older archs.
Can we consider add tests for them?
If so, I volunteer to prepare Docker cross images :)
arm-linux-user/tests$ ../qemu-arm -cpu arm926 -d in_asm,op sha1
----------------
IN:
0x000102ec: f04f 0b00 mov.w fp, #0
OP:
ld_i32 tmp5,env,$0xffffffffffffffec
movi_i32 tmp6,$0x0
brcond_i32 tmp5,tmp6,lt,$L0
---- 000102ec 00000000 00000000
movi_i32 pc,$0x102ec
movi_i32 tmp5,$0x1
movi_i32 tmp6,$0x2000000
movi_i32 tmp7,$0x1
call exception_with_syndrome,$0x0,$0,env,tmp5,tmp6,tmp7
set_label $L0
exit_tb $0x563aed6cc043
qemu: uncaught target signal 4 (Illegal instruction) - core dumped
Illegal instruction
> +hello-arm: LDFLAGS+=-nostdlib
> diff --git a/tests/tcg/arm/README b/tests/tcg/arm/README
> new file mode 100644
> index 0000000000..e6307116e2
> --- /dev/null
> +++ b/tests/tcg/arm/README
> @@ -0,0 +1,11 @@
> +These are ARM specific guest programs
> +
> +hello-arm
> +---------
> +
> +A very simple inline assembly, write syscall based hello world
> +
> +test-arm-iwmmxt
> +---------------
> +
> +A simple test case for older iwmmxt extended ARMs
> diff --git a/tests/tcg/hello-arm.c b/tests/tcg/arm/hello-arm.c
> similarity index 100%
> rename from tests/tcg/hello-arm.c
> rename to tests/tcg/arm/hello-arm.c
> diff --git a/tests/tcg/test-arm-iwmmxt.s b/tests/tcg/arm/test-arm-iwmmxt.s
> similarity index 100%
> rename from tests/tcg/test-arm-iwmmxt.s
> rename to tests/tcg/arm/test-arm-iwmmxt.s
>