diff mbox series

[1/5] sh: Set gd->malloc_base if MALLOC_F_LEN is set

Message ID 20200509203802.821856-1-marek.vasut+renesas@gmail.com
State New
Delegated to: Marek Vasut
Headers show
Series [1/5] sh: Set gd->malloc_base if MALLOC_F_LEN is set | expand

Commit Message

Marek Vasut May 9, 2020, 8:37 p.m. UTC
The gd->malloc_base must be set before the C runtime if the MALLOC_F_LEN
is non-zero, otherwise we hit assertion in dlmalloc.c initf_malloc(). So
set it.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
---
 arch/sh/lib/start.S | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/sh/lib/start.S b/arch/sh/lib/start.S
index f9f26d3779..d6342a16da 100644
--- a/arch/sh/lib/start.S
+++ b/arch/sh/lib/start.S
@@ -53,7 +53,10 @@  _start:
 
 	mov.l	._gd_init, r13		/* global data */
 	mov.l	._stack_init, r15	/* stack */
-
+#if CONFIG_VAL(SYS_MALLOC_F_LEN)
+	mov.l	._gd_malloc_base, r14
+	mov.l	r15, @r14
+#endif
 	mov.l	._sh_generic_init, r0
 	jsr	@r0
 	mov     #0, r4
@@ -70,5 +73,6 @@  loop:
 ._bss_start:		.long	bss_start
 ._bss_end:		.long	bss_end
 ._gd_init:		.long	(_start - GENERATED_GBL_DATA_SIZE)
+._gd_malloc_base:	.long	(_start - GENERATED_GBL_DATA_SIZE + GD_MALLOC_BASE)
 ._stack_init:		.long	(_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16)
 ._sh_generic_init:	.long	board_init_f