diff --git a/arch/Config.in.riscv b/arch/Config.in.riscv index 4361890bf4..097719e846 100644 --- a/arch/Config.in.riscv +++ b/arch/Config.in.riscv @@ -65,14 +65,35 @@ config BR2_RISCV_ISA_CUSTOM_RVC select BR2_RISCV_ISA_RVC endif +choice + prompt "Target Architecture Size" + default BR2_RISCV_64 + +config BR2_RISCV_32 + bool "32-bit" + config BR2_RISCV_64 - bool - default y + bool "64-bit" select BR2_ARCH_IS_64 +endchoice + choice prompt "Target ABI" - default BR2_RISCV_ABI_LP64 + default BR2_RISCV_ABI_ILP32 if !BR2_ARCH_IS_64 + default BR2_RISCV_ABI_LP64 if BR2_ARCH_IS_64 + +config BR2_RISCV_ABI_ILP32 + bool "ilp32" + depends on !BR2_ARCH_IS_64 + +config BR2_RISCV_ABI_ILP32F + bool "ilp32f" + depends on !BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVF + +config BR2_RISCV_ABI_ILP32D + bool "ilp32d" + depends on !BR2_ARCH_IS_64 && BR2_RISCV_ISA_RVD config BR2_RISCV_ABI_LP64 bool "lp64" @@ -88,12 +109,16 @@ config BR2_RISCV_ABI_LP64D endchoice config BR2_ARCH + default "riscv32" if !BR2_ARCH_IS_64 default "riscv64" if BR2_ARCH_IS_64 config BR2_ENDIAN default "LITTLE" config BR2_GCC_TARGET_ABI + default "ilp32" if BR2_RISCV_ABI_ILP32 + default "ilp32f" if BR2_RISCV_ABI_ILP32F + default "ilp32d" if BR2_RISCV_ABI_ILP32D default "lp64" if BR2_RISCV_ABI_LP64 default "lp64f" if BR2_RISCV_ABI_LP64F default "lp64d" if BR2_RISCV_ABI_LP64D diff --git a/arch/arch.mk.riscv b/arch/arch.mk.riscv index 022d1a6809..f3bf2b3467 100644 --- a/arch/arch.mk.riscv +++ b/arch/arch.mk.riscv @@ -5,8 +5,10 @@ ifeq ($(BR2_riscv),y) -ifeq ($(BR2_ARCH_IS_64),y) +ifeq ($(BR2_RISCV_64),y) GCC_TARGET_ARCH := rv64i +else +GCC_TARGET_ARCH := rv32i endif ifeq ($(BR2_RISCV_ISA_RVM),y) diff --git a/configs/qemu_riscv64_virt_defconfig b/configs/qemu_riscv64_virt_defconfig index 59343ee98f..e15f804341 100644 --- a/configs/qemu_riscv64_virt_defconfig +++ b/configs/qemu_riscv64_virt_defconfig @@ -1,5 +1,6 @@ # Architecture BR2_riscv=y +BR2_RISCV_64=y # System BR2_SYSTEM_DHCP="eth0" diff --git a/package/glibc/4e2943456e690d89f48e6e710757dd09404b0c9a/0001-Fix-RISC-V-32-bit-build-of-riscv-glibc-2.26.patch b/package/glibc/4e2943456e690d89f48e6e710757dd09404b0c9a/0001-Fix-RISC-V-32-bit-build-of-riscv-glibc-2.26.patch new file mode 100644 index 0000000000..ab157e9e7b --- /dev/null +++ b/package/glibc/4e2943456e690d89f48e6e710757dd09404b0c9a/0001-Fix-RISC-V-32-bit-build-of-riscv-glibc-2.26.patch @@ -0,0 +1,59 @@ +From 4909cfbbe8dd512b8fc0892859549c26e1b14d30 Mon Sep 17 00:00:00 2001 +From: Mark Corbin +Date: Sun, 21 Oct 2018 10:38:18 +0100 +Subject: [PATCH] Fix RISC-V 32-bit build of riscv-glibc 2.26 + +This patch fixes two build errors with the 32-bit version of +glibc-2.26 from the riscv-glibc repository. + +A void reference to 'refsym' has been added to dl-runtime.c to avoid +an 'unused variable' error when building with '-Werror'. + +Some data types were hard-coded for 64-bit in ldsodefs.h. These have +been modified to allow 32-bit builds. + +This patch was provided by Fabrice Bellard as part of his RISC-V +Buildroot development source. + +Signed-off-by: Mark Corbin +--- + elf/dl-runtime.c | 1 + + sysdeps/riscv/ldsodefs.h | 4 ++-- + 2 files changed, 3 insertions(+), 2 deletions(-) + +diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c +index 51d3819d4a..e728e8907e 100644 +--- a/elf/dl-runtime.c ++++ b/elf/dl-runtime.c +@@ -146,6 +146,7 @@ _dl_fixup ( + if (__glibc_unlikely (GLRO(dl_bind_not))) + return value; + ++ (void)refsym; + return elf_machine_fixup_plt (l, result, refsym, sym, reloc, rel_addr, value); + } + +diff --git a/sysdeps/riscv/ldsodefs.h b/sysdeps/riscv/ldsodefs.h +index db993df80a..91e7a8c88f 100644 +--- a/sysdeps/riscv/ldsodefs.h ++++ b/sysdeps/riscv/ldsodefs.h +@@ -25,14 +25,14 @@ struct La_riscv_regs; + struct La_riscv_retval; + + #define ARCH_PLTENTER_MEMBERS \ +- Elf64_Addr (*riscv_gnu_pltenter) (Elf64_Sym *, unsigned int, \ ++ ElfW(Addr) (*riscv_gnu_pltenter) (ElfW(Sym) *, unsigned int, \ + uintptr_t *, uintptr_t *, \ + const struct La_riscv_regs *, \ + unsigned int *, const char *name, \ + long int *framesizep); + + #define ARCH_PLTEXIT_MEMBERS \ +- unsigned int (*riscv_gnu_pltexit) (Elf64_Sym *, unsigned int, \ ++ unsigned int (*riscv_gnu_pltexit) (ElfW(Sym) *, unsigned int, \ + uintptr_t *, uintptr_t *, \ + const struct La_riscv_regs *, \ + struct La_riscv_retval *, \ +-- +2.17.1 + diff --git a/package/glibc/4e2943456e690d89f48e6e710757dd09404b0c9a/glibc.hash b/package/glibc/4e2943456e690d89f48e6e710757dd09404b0c9a/glibc.hash new file mode 100644 index 0000000000..3eb5e04e96 --- /dev/null +++ b/package/glibc/4e2943456e690d89f48e6e710757dd09404b0c9a/glibc.hash @@ -0,0 +1,7 @@ +# Locally calculated (fetched from Github) +sha256 a40f908125135bad2cf92c18d07ad25b3091b161b3a5d3aea46c23ffd2ac90b8 glibc-4e2943456e690d89f48e6e710757dd09404b0c9a.tar.gz + +# Hashes for license files +sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643 COPYING +sha256 dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551 COPYING.LIB +sha256 61abdd6930c9c599062d89e916b3e7968783879b6be0ee1c6229dd6169def431 LICENSES diff --git a/package/glibc/glibc.mk b/package/glibc/glibc.mk index 345d257d03..ec5b3cedc9 100644 --- a/package/glibc/glibc.mk +++ b/package/glibc/glibc.mk @@ -7,6 +7,9 @@ ifeq ($(BR2_arc),y) GLIBC_VERSION = arc-2018.09-release GLIBC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,glibc,$(GLIBC_VERSION)) +else ifeq ($(BR2_RISCV_32),y) +GLIBC_VERSION = 4e2943456e690d89f48e6e710757dd09404b0c9a +GLIBC_SITE = $(call github,riscv,riscv-glibc,$(GLIBC_VERSION)) else # Generate version string using: # git describe --match 'glibc-*' --abbrev=40 origin/release/MAJOR.MINOR/master @@ -75,7 +78,11 @@ GLIBC_CONF_ENV = \ # Override the default library locations of /lib64/ and # /usr/lib64// for RISC-V. ifeq ($(BR2_riscv),y) +ifeq ($(BR2_RISCV_64),y) GLIBC_CONF_ENV += libc_cv_slibdir=/lib64 libc_cv_rtlddir=/lib +else +GLIBC_CONF_ENV += libc_cv_slibdir=/lib32 libc_cv_rtlddir=/lib +endif endif # glibc requires make >= 4.0 since 2.28 release. diff --git a/support/config-fragments/autobuild/br-riscv64-internal-glibc.config b/support/config-fragments/autobuild/br-riscv64-internal-glibc.config index 75aa5dd915..d952c73a86 100644 --- a/support/config-fragments/autobuild/br-riscv64-internal-glibc.config +++ b/support/config-fragments/autobuild/br-riscv64-internal-glibc.config @@ -1,2 +1,3 @@ BR2_riscv=y +BR2_RISCV_64=y BR2_TOOLCHAIN_BUILDROOT_GLIBC=y