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-rw-r--r--toolchain/elf2flt/Makefile.inc10
-rw-r--r--toolchain/elf2flt/patches/v2023.09/0001-elf2flt-add-RISC-V-32-bit-support.patch66
2 files changed, 68 insertions, 8 deletions
diff --git a/toolchain/elf2flt/Makefile.inc b/toolchain/elf2flt/Makefile.inc
index bd167c0a3..ff7ab660e 100644
--- a/toolchain/elf2flt/Makefile.inc
+++ b/toolchain/elf2flt/Makefile.inc
@@ -2,14 +2,8 @@
# material, please see the LICENCE file in the top-level directory.
PKG_NAME:= elf2flt
-ifeq ($(ADK_TOOLCHAIN_ELF2FLT_GIT),y)
-PKG_VERSION:= 26dfb54a59c8c0106418a0c46ccb4288d9e066fd
-PKG_GIT:= hash
-PKG_RELEASE:= 1
-PKG_SITES:= https://github.com/uclinux-dev/elf2flt.git
-endif
-ifeq ($(ADK_TOOLCHAIN_ELF2FLT_2021_08),y)
-PKG_VERSION:= v2021.08
+ifeq ($(ADK_TOOLCHAIN_ELF2FLT_2023_09),y)
+PKG_VERSION:= v2023.09
PKG_GIT:= tag
PKG_RELEASE:= 1
PKG_SITES:= https://github.com/uclinux-dev/elf2flt.git
diff --git a/toolchain/elf2flt/patches/v2023.09/0001-elf2flt-add-RISC-V-32-bit-support.patch b/toolchain/elf2flt/patches/v2023.09/0001-elf2flt-add-RISC-V-32-bit-support.patch
new file mode 100644
index 000000000..ed6fcaaee
--- /dev/null
+++ b/toolchain/elf2flt/patches/v2023.09/0001-elf2flt-add-RISC-V-32-bit-support.patch
@@ -0,0 +1,66 @@
+From 44e34cb50f2d25848a85a59adbc561eee66278e8 Mon Sep 17 00:00:00 2001
+From: Yimin Gu <ustcymgu@gmail.com>
+Date: Wed, 14 Dec 2022 06:49:46 -0500
+Subject: [PATCH] elf2flt: add RISC-V 32-bit support
+
+Allow elf2flt to work with RISC-V 32-bit targets. With these changes, the
+uclibc toolchain and busybox can work fine for rv32 no MMU systems with
+no noticable problem.
+
+Signed-off-by: Charles Lohr <lohr85@gmail.com>
+[Rebased onto latest tree for upstreaming]
+Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
+[Add more ELF relco types and edit commit message]
+Signed-off-by: Yimin Gu <ustcymgu@gmail.com>
+---
+ elf2flt.c | 6 ++++--
+ ld-elf2flt.c | 2 +-
+ 2 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/elf2flt.c b/elf2flt.c
+index f37cfa2..04b6b43 100644
+--- a/elf2flt.c
++++ b/elf2flt.c
+@@ -81,7 +81,7 @@ const char *elf2flt_progname;
+ #include <elf/v850.h>
+ #elif defined(TARGET_xtensa)
+ #include <elf/xtensa.h>
+-#elif defined(TARGET_riscv64)
++#elif defined(TARGET_riscv64) || defined(TARGET_riscv32)
+ #include <elf/riscv.h>
+ #endif
+
+@@ -127,6 +127,8 @@ const char *elf2flt_progname;
+ #define ARCH "xtensa"
+ #elif defined(TARGET_riscv64)
+ #define ARCH "riscv64"
++#elif defined(TARGET_riscv32)
++#define ARCH "riscv32"
+ #else
+ #error "Don't know how to support your CPU architecture??"
+ #endif
+@@ -822,7 +824,7 @@ output_relocs (
+ goto good_32bit_resolved_reloc_update_text;
+ default:
+ goto bad_resolved_reloc;
+-#elif defined(TARGET_riscv64)
++#elif defined(TARGET_riscv64) || defined(TARGET_riscv32)
+ case R_RISCV_NONE:
+ case R_RISCV_32_PCREL:
+ case R_RISCV_ADD8:
+diff --git a/ld-elf2flt.c b/ld-elf2flt.c
+index 75ee1bb..68b2a4a 100644
+--- a/ld-elf2flt.c
++++ b/ld-elf2flt.c
+@@ -327,7 +327,7 @@ static int do_final_link(void)
+ /* riscv adds a global pointer symbol to the linker file with the
+ "RISCV_GP:" prefix. Remove the prefix for riscv64 architecture and
+ the entire line for other architectures. */
+- if (streq(TARGET_CPU, "riscv64"))
++ if (streq(TARGET_CPU, "riscv64") || streq(TARGET_CPU, "riscv32"))
+ append_sed(&sed, "^RISCV_GP:", "");
+ else
+ append_sed(&sed, "^RISCV_GP:", NULL);
+--
+2.30.2
+