GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2007 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ */
+
+#if defined(CONFIG_PPC)
+
+	.text
+	.globl _start
+_start:
+	lis	%r11, search_hint@ha
+	addi	%r11, %r11, search_hint@l
+	stw	%r1, 0(%r11)
+	b	main
+
+
+	.globl syscall
+syscall:
+	lis	%r11, syscall_ptr@ha
+	addi	%r11, %r11, syscall_ptr@l
+	lwz	%r11, 0(%r11)
+	mtctr	%r11
+	bctr
+
+#elif defined(CONFIG_ARM)
+
+	.text
+	.globl _start
+_start:
+	ldr	ip, =search_hint
+	str	sp, [ip]
+	b	main
+
+
+	.globl syscall
+syscall:
+	ldr	ip, =syscall_ptr
+	ldr	pc, [ip]
+
+#elif defined(CONFIG_MIPS)
+#include <asm/asm.h>
+	.text
+	.globl __start
+	.ent __start
+__start:
+	PTR_S	$sp, search_hint
+	b	main
+	.end __start
+
+	.globl syscall
+	.ent syscall
+syscall:
+	PTR_S	$ra, return_addr
+	PTR_L	$t9, syscall_ptr
+	jalr	$t9
+	nop
+	PTR_L	$ra, return_addr
+	jr	$ra
+	nop
+	.end syscall
+
+return_addr:
+	.align 8
+	.long 0
+#else
+#error No support for this arch!
+#endif
+
+	.globl syscall_ptr
+syscall_ptr:
+	.align	8
+	.long	0
+
+	.globl search_hint
+search_hint:
+	.long   0