From 7c60423106bebafedbdd9879d84d105b3fb03930 Mon Sep 17 00:00:00 2001 From: Stanislav Galabov Date: Thu, 4 Feb 2016 12:13:44 +0200 Subject: api: Add FreeBSD API support for MIPS platforms This patch adds U-Boot API support (used by FreeBSD loader) for MIPS platforms. Signed-off-by: Stanislav Galabov --- examples/api/Makefile | 3 +++ examples/api/crt0.S | 24 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+) (limited to 'examples') diff --git a/examples/api/Makefile b/examples/api/Makefile index 6cf23d10ac..4e9b8ea17d 100644 --- a/examples/api/Makefile +++ b/examples/api/Makefile @@ -10,6 +10,9 @@ endif ifeq ($(ARCH),arm) LOAD_ADDR = 0x1000000 endif +ifeq ($(ARCH),mips) +LOAD_ADDR = 0x80200000 +endif # Resulting ELF and binary exectuables will be named demo and demo.bin extra-y = demo diff --git a/examples/api/crt0.S b/examples/api/crt0.S index 78d35a2893..ced2c82e5f 100644 --- a/examples/api/crt0.S +++ b/examples/api/crt0.S @@ -40,6 +40,30 @@ syscall: ldr ip, =syscall_ptr ldr pc, [ip] +#elif defined(CONFIG_MIPS) + .text + .globl __start + .ent __start +__start: + sw $sp, search_hint + b main + .end __start + + .globl syscall + .ent syscall +syscall: + sw $ra, return_addr + lw $t9, syscall_ptr + jalr $t9 + nop + lw $ra, return_addr + jr $ra + nop + .end syscall + +return_addr: + .align 4 + .long 0 #else #error No support for this arch! #endif -- cgit v1.2.1