From: Yann E. MORIN Date: Thu, 18 Jul 2019 21:06:27 +0000 (+0200) Subject: arch/csky: restrict ck610 to the C-SKY gcc port X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8aad93817633e46262f2fa0e150b01d51dd324a;p=buildroot.git arch/csky: restrict ck610 to the C-SKY gcc port As Guo explained, upstream gcc does not support abi-v1 (only abi-v2), but ck610 needs abi-v1 [0] [1] To simplify things, we make the whole C-SKY architecture require gcc-9 or later, and add a single exception in gcc to force the ck610 to use the C-SKY port. Note that this does not change the default gcc version to be used for C-SKY: the C-SKY port is still always the default one; the gcc-9 version is only proposed as an alternative (except for ck610, of course). [0] http://lists.busybox.net/pipermail/buildroot/2019-July/254386.html [1] package/Makefile.in#73 Signed-off-by: Yann E. MORIN Cc: Guo Ren Cc: Arnout Vandecappelle Cc: Romain Naour Acked-by: Guo Ren Signed-off-by: Peter Korsgaard --- diff --git a/arch/Config.in b/arch/Config.in index d8d841b1a2..94bd2150ca 100644 --- a/arch/Config.in +++ b/arch/Config.in @@ -78,6 +78,9 @@ config BR2_aarch64_be config BR2_csky bool "csky" select BR2_ARCH_HAS_MMU_MANDATORY + # Most variants are supported by gcc-9+, except one that is + # handled as a special exception in package/gcc/Config.in.host + select BR2_ARCH_NEEDS_GCC_AT_LEAST_9 help csky is processor IP from china. http://www.c-sky.com/ diff --git a/arch/Config.in.csky b/arch/Config.in.csky index 4bdfbfae4b..7e2029f759 100644 --- a/arch/Config.in.csky +++ b/arch/Config.in.csky @@ -5,6 +5,8 @@ choice Specific CPU variant to use config BR2_ck610 + # Not supported by upstream gcc <= 9, and handled as a special + # exception in package/gcc/Config.in.host bool "ck610" config BR2_ck807 diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host index 8b563c8f27..adc12e95ea 100644 --- a/package/gcc/Config.in.host +++ b/package/gcc/Config.in.host @@ -89,6 +89,9 @@ config BR2_GCC_VERSION_9_X # powerpc spe support has been deprecated since gcc 8.x. # https://gcc.gnu.org/ml/gcc/2018-04/msg00102.html depends on !BR2_powerpc_SPE + # C-SKY sk610 needs abiv1, which is not supported in + # upstream gcc + depends on !BR2_ck610 select BR2_TOOLCHAIN_GCC_AT_LEAST_9 endchoice