bsps: Move start files to bsps

This patch is a part of the BSP source reorganization. Update #3285.
2026-09-23 11:15:40 +08:00 · 2018-04-20 13:08:36 +02:00
parent d7d66d7d45
commit fbcd7c8fa6
152 changed files with 112 additions and 112 deletions
@@ -0,0 +1,78 @@
+# NEC V850 startup code
+
+	.section .text
+	.global	_start
+
+_start:
+
+#if defined(__v850e__) || defined(__v850e2__) || defined(__v850e2v3__)
+
+	movea   255,		r0,	r20
+	mov     65535,		r21
+	mov     hilo(_stack),	sp
+	mov     hilo(__ep),	ep
+	mov     hilo(__gp),	gp
+	mov     hilo(__ctbp),	r6
+	ldsr    r6,             ctbp
+	mov     hilo(_edata),	r6
+	mov     hilo(_end),	r7
+.L0:
+	st.w    r0,		0[r6]
+	addi    4,		r6,	r6
+	cmp     r7,		r6
+	bl      .L0
+.L1:
+	jarl    ___main,	r31
+	addi    -16,		sp,	sp
+	mov     0,		r6
+	mov     0,		r7
+	mov     0,		r8
+	/* jarl    _main,		r31 */
+	jarl    _boot_card,		r31
+	mov     r10,		r6
+	jarl    _exit,		r31
+
+# else
+	movea   255,		r0,	r20
+	mov     r0,		r21
+	ori     65535,		r0,	r21
+	movhi   hi(_stack),	r0,	sp
+	movea   lo(_stack),	sp,	sp
+	movhi   hi(__ep),	r0,	ep
+	movea   lo(__ep),	ep,	ep
+	movhi   hi(__gp),	r0,	gp
+	movea   lo(__gp),	gp,	gp
+
+	movhi   hi(_edata),	r0,	r6
+	movea   lo(_edata),	r6,	r6
+	movhi   hi(_end),	r0,	r7
+	movea   lo(_end),	r7,	r7
+.L0:
+	st.b    r0,		0[r6]
+	addi    1,		r6,	r6
+	cmp     r7,		r6
+	bl      .L0
+.L1:
+	/* jarl    ___main,	r31 */
+	addi    -16,		sp,	sp
+	mov     0,		r6
+	mov     0,		r7
+	mov     0,		r8
+	/* jarl    _main,		r31 */
+	jarl    _boot_card,		r31
+	mov     r10,		r6
+.L2:
+	br	.L2
+	/* jarl    _exit,		r31 */
+# endif
+
+#if 0
+	.section .stack
+_stack:	.long 	1
+#endif
+
+	.section .data
+	.global ___dso_handle
+	.weak   ___dso_handle
+___dso_handle:
+	.long	0