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-rw-r--r--arch/h8300/kernel/head_rom.S111
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/h8300/kernel/head_rom.S b/arch/h8300/kernel/head_rom.S
deleted file mode 100644
index ab55a9cb2f36..000000000000
--- a/arch/h8300/kernel/head_rom.S
+++ /dev/null
@@ -1,111 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/init.h>
-#include <asm/thread_info.h>
-
-#if defined(CONFIG_CPU_H8300H)
- .h8300h
-#define SYSCR 0xfee012
-#define IRAMTOP 0xffff20
-#define NR_INT 64
-#endif
-#if defined(CONFIG_CPU_H8S)
- .h8300s
-#define INTCR 0xffff31
-#define IRAMTOP 0xffc000
-#define NR_INT 128
-#endif
-
- __HEAD
- .global _start
-_start:
- mov.l #IRAMTOP,sp
-#if !defined(CONFIG_H8300H_SIM) && \
- !defined(CONFIG_H8S_SIM)
- jsr @lowlevel_init
-
- /* copy .data */
- mov.l #_begin_data,er5
- mov.l #_sdata,er6
- mov.l #_edata,er4
- sub.l er6,er4
- shlr.l er4
- shlr.l er4
-1:
- mov.l @er5+,er0
- mov.l er0,@er6
- adds #4,er6
- dec.l #1,er4
- bne 1b
- /* .bss clear */
- mov.l #_sbss,er5
- mov.l #_ebss,er4
- sub.l er5,er4
- shlr er4
- shlr er4
- sub.l er0,er0
-1:
- mov.l er0,@er5
- adds #4,er5
- dec.l #1,er4
- bne 1b
-#else
- /* get cmdline from gdb */
- jsr @0xcc
- ;; er0 - argc
- ;; er1 - argv
- mov.l #command_line,er3
- adds #4,er1
- dec.l #1,er0
- beq 4f
-1:
- mov.l @er1+,er2
-2:
- mov.b @er2+,r4l
- beq 3f
- mov.b r4l,@er3
- adds #1,er3
- bra 2b
-3:
- mov.b #' ',r4l
- mov.b r4l,@er3
- adds #1,er3
- dec.l #1,er0
- bne 1b
- subs #1,er3
- mov.b #0,r4l
- mov.b r4l,@er3
-4:
-#endif
- sub.l er0,er0
- jsr @h8300_fdt_init
- /* linux kernel start */
-#if defined(CONFIG_CPU_H8300H)
- ldc #0xd0,ccr /* running kernel */
- mov.l #SYSCR,er0
- bclr #3,@er0
-#endif
-#if defined(CONFIG_CPU_H8S)
- ldc #0x07,exr
- bclr #4,@INTCR:8
- bset #5,@INTCR:8 /* Interrupt mode 2 */
- ldc #0x90,ccr /* running kernel */
-#endif
- mov.l #init_thread_union,sp
- add.l #0x2000,sp
- jsr @start_kernel
-
-1:
- bra 1b
-
-#if defined(CONFIG_ROMKERNEL)
- /* interrupt vector */
- .section .vectors,"ax"
- .long _start
- .long _start
-vector = 2
- .rept NR_INT - 2
- .long _interrupt_redirect_table+vector*4
-vector = vector + 1
- .endr
-#endif
- .end