Re: [Qemu-devel] [RFC PATCH 02/12] tests/tcg/tricore: Add build infrastructure

["Alex Bennée" <alex.bennee@linaro.org>]

Bastian Koppelmann <kbastian@mail.uni-paderborn.de> writes:

> this includes the Makefile and linker script to build all the tests.
>
> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
> ---
>  tests/tcg/tricore/Makefile | 30 +++++++++++++++++++++++
>  tests/tcg/tricore/link.ld  | 60 ++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 90 insertions(+)
>  create mode 100644 tests/tcg/tricore/Makefile
>  create mode 100644 tests/tcg/tricore/link.ld
>
> diff --git a/tests/tcg/tricore/Makefile b/tests/tcg/tricore/Makefile
> new file mode 100644
> index 0000000000..8c168d1062
> --- /dev/null
> +++ b/tests/tcg/tricore/Makefile
> @@ -0,0 +1,30 @@
> +AS := tricore-as
> +LD := tricore-ld

Where do these come from? Ideally we'd get these in a docker container
like the rest. It would actually be easier to use tricore-gcc if it
exists because at the moment my docker series only exposes a C compiler
to the make system.

> +HOST_CC = gcc
> +
> +LDFLAGS = -Tlink.ld
> +ASFLAGS =
> +
> +SIM = ../../../tricore-softmmu/qemu-system-tricore
> +SIMFLAGS = -M tricore_testboard -nographic -kernel
> +
> +all: build
> +
> +%.pS: %.S
> +	$(HOST_CC) -E -o $@ $<
> +
> +%.o: %.pS
> +	$(AS) $(ASFLAGS) -o $@ $<
> +
> +%.tst: %.o link.ld
> +	$(LD) $(LDFLAGS) $< -o $@
> +
> +build: $(TESTCASES)
> +
> +check: $(addprefix run-, $(TESTCASES))
> +
> +run-%.tst: %.tst
> +	$(SIM) $(SIMFLAGS) ./$<
> +
> +clean:
> +	$(RM) -fr $(TESTCASES) linker.ld
> diff --git a/tests/tcg/tricore/link.ld b/tests/tcg/tricore/link.ld
> new file mode 100644
> index 0000000000..364bcdc00a
> --- /dev/null
> +++ b/tests/tcg/tricore/link.ld
> @@ -0,0 +1,60 @@
> +/* Default linker script, for normal executables */
> +OUTPUT_FORMAT("elf32-tricore")
> +OUTPUT_ARCH(tricore)
> +ENTRY(_start)
> +
> +/* the internal ram description */
> +MEMORY
> +{
> +  text_ram (rx!p): org = 0x80000000, len = 15K
> +  data_ram (w!xp): org = 0xd0000000, len = 130K
> +}
> +/*
> + * Define the sizes of the user and system stacks.
> + */
> +__USTACK_SIZE = DEFINED (__USTACK_SIZE) ? __USTACK_SIZE : 1K ;
> +/*
> + * Define the start address and the size of the context save area.
> + */
> +__CSA_BEGIN =  0xd0000000 ;
> +__CSA_SIZE =  8k ;
> +__CSA_END = __CSA_BEGIN + __CSA_SIZE ;
> +
> +SECTIONS
> +{
> +  .text  :
> +  {
> +    *(.text)
> +    . = ALIGN(8);
> +  } > text_ram
> +
> +  .rodata :
> +  {
> +    *(.rodata)
> +    *(.rodata1)
> +  } > data_ram
> +
> +  .data :
> +  {
> +    . = ALIGN(8) ;
> +    *(.data)
> +    *(.data.*)
> +    . = ALIGN(8) ;
> +    __USTACK = . + __USTACK_SIZE -768;
> +
> +  } > data_ram
> +  /*
> +   * Allocate space for BSS sections.
> +   */
> +  .bss  :
> +  {
> +    BSS_BASE = . ;
> +    *(.bss)
> +    *(COMMON)
> +    . = ALIGN(8) ;
> +  } > data_ram
> +  /* Make sure CSA, stack and heap addresses are properly aligned.  */
> +  _. = ASSERT ((__CSA_BEGIN & 0x3f) == 0 , "illegal CSA start address") ;
> +  _. = ASSERT ((__CSA_SIZE & 0x3f) == 0 , "illegal CSA size") ;
> +
> +}


--
Alex Bennée