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| author | Zoltan HERPAI <wigyori@uid0.hu> | 2018-12-16 10:45:53 +0100 |
|---|---|---|
| committer | Zoltan HERPAI <wigyori@uid0.hu> | 2023-06-14 09:22:08 +0200 |
| commit | 341e312ada4dda207a9f2c8402e73cc13b195983 (patch) | |
| tree | 130d56e4e1773032cda3f7fe10c8d53342f37083 | |
| parent | 848759c2362fc60fef8aa76f2adeb228af3cae65 (diff) | |
| download | upstream-341e312ada4dda207a9f2c8402e73cc13b195983.tar.gz upstream-341e312ada4dda207a9f2c8402e73cc13b195983.tar.bz2 upstream-341e312ada4dda207a9f2c8402e73cc13b195983.zip | |
generic: groundwork for RISC-V
Add build infrastructure for RISC-V.
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
(cherry picked from commit 50c05f6cd721130701cbbc77a75d2e090259c4e5)
| -rw-r--r-- | include/kernel.mk | 2 | ||||
| -rw-r--r-- | include/site/riscv64 | 30 | ||||
| -rw-r--r-- | include/target.mk | 4 | ||||
| -rw-r--r-- | target/Config.in | 5 |
4 files changed, 41 insertions, 0 deletions
diff --git a/include/kernel.mk b/include/kernel.mk index c657bf5d82..b1ae42534d 100644 --- a/include/kernel.mk +++ b/include/kernel.mk @@ -90,6 +90,8 @@ else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el )) LINUX_KARCH := mips else ifneq (,$(findstring $(ARCH) , powerpc64 )) LINUX_KARCH := powerpc +else ifneq (,$(findstring $(ARCH) , riscv64 )) + LINUX_KARCH := riscv else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 )) LINUX_KARCH := sh else ifneq (,$(findstring $(ARCH) , i386 x86_64 )) diff --git a/include/site/riscv64 b/include/site/riscv64 new file mode 100644 index 0000000000..c5aa9c5543 --- /dev/null +++ b/include/site/riscv64 @@ -0,0 +1,30 @@ +#!/bin/sh +. $TOPDIR/include/site/linux +ac_cv_c_littleendian=${ac_cv_c_littleendian=yes} +ac_cv_c_bigendian=${ac_cv_c_bigendian=no} + +ac_cv_sizeof___int64=8 +ac_cv_sizeof_char=1 +ac_cv_sizeof_int=4 +ac_cv_sizeof_int16_t=2 +ac_cv_sizeof_int32_t=4 +ac_cv_sizeof_int64_t=8 +ac_cv_sizeof_long_int=8 +ac_cv_sizeof_long_long=8 +ac_cv_sizeof_long=8 +ac_cv_sizeof_off_t=8 +ac_cv_sizeof_short_int=2 +ac_cv_sizeof_short=2 +ac_cv_sizeof_size_t=8 +ac_cv_sizeof_ssize_t=8 +ac_cv_sizeof_u_int16_t=2 +ac_cv_sizeof_u_int32_t=4 +ac_cv_sizeof_u_int64_t=8 +ac_cv_sizeof_uint16_t=2 +ac_cv_sizeof_uint32_t=4 +ac_cv_sizeof_uint64_t=8 +ac_cv_sizeof_unsigned_int=4 +ac_cv_sizeof_unsigned_long=8 +ac_cv_sizeof_unsigned_long_long=8 +ac_cv_sizeof_unsigned_short=2 +ac_cv_sizeof_void_p=8 diff --git a/include/target.mk b/include/target.mk index 992f955344..b5e3e7ff6f 100644 --- a/include/target.mk +++ b/include/target.mk @@ -260,6 +260,10 @@ ifeq ($(DUMP),1) CPU_CFLAGS_arc700 = -mcpu=arc700 CPU_CFLAGS_archs = -mcpu=archs endif + ifeq ($(ARCH),riscv64) + CPU_TYPE ?= riscv64 + CPU_CFLAGS_riscv64:=-mabi=lp64d -march=rv64imafdc + endif ifneq ($(CPU_TYPE),) ifndef CPU_CFLAGS_$(CPU_TYPE) $(warning CPU_TYPE "$(CPU_TYPE)" doesn't correspond to a known type) diff --git a/target/Config.in b/target/Config.in index a6b3351a61..ac0f1f9826 100644 --- a/target/Config.in +++ b/target/Config.in @@ -184,6 +184,10 @@ config powerpc64 select ARCH_64BIT bool +config riscv64 + select ARCH_64BIT + bool + config sh3 bool @@ -223,6 +227,7 @@ config ARCH default "mips64el" if mips64el default "powerpc" if powerpc default "powerpc64" if powerpc64 + default "riscv64" if riscv64 default "sh3" if sh3 default "sh3eb" if sh3eb default "sh4" if sh4 |