Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mm / proc-arm9tdmi.S

diff --git a/kernel/arch/arm/mm/proc-arm9tdmi.S b/kernel/arch/arm/mm/proc-arm9tdmi.S
new file mode 100644 (file)
index 0000000..7fac8c6
--- /dev/null
+++ b/kernel/arch/arm/mm/proc-arm9tdmi.S
@@ -0,0 +1,95 @@
+/*
+ *  linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
+ *
+ *  Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/asm-offsets.h>
+#include <asm/hwcap.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/ptrace.h>
+
+#include "proc-macros.S"
+
+       .text
+/*
+ * cpu_arm9tdmi_proc_init()
+ * cpu_arm9tdmi_do_idle()
+ * cpu_arm9tdmi_dcache_clean_area()
+ * cpu_arm9tdmi_switch_mm()
+ *
+ * These are not required.
+ */
+ENTRY(cpu_arm9tdmi_proc_init)
+ENTRY(cpu_arm9tdmi_do_idle)
+ENTRY(cpu_arm9tdmi_dcache_clean_area)
+ENTRY(cpu_arm9tdmi_switch_mm)
+               ret     lr
+
+/*
+ * cpu_arm9tdmi_proc_fin()
+ */
+ENTRY(cpu_arm9tdmi_proc_fin)
+               ret     lr
+
+/*
+ * Function: cpu_arm9tdmi_reset(loc)
+ * Params  : loc(r0)   address to jump to
+ * Purpose : Sets up everything for a reset and jump to the location for soft reset.
+ */
+               .pushsection    .idmap.text, "ax"
+ENTRY(cpu_arm9tdmi_reset)
+               ret     r0
+ENDPROC(cpu_arm9tdmi_reset)
+               .popsection
+
+               .type   __arm9tdmi_setup, #function
+__arm9tdmi_setup:
+               ret     lr
+               .size   __arm9tdmi_setup, . - __arm9tdmi_setup
+
+               __INITDATA
+
+               @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
+               define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
+
+               .section ".rodata"
+
+               string  cpu_arch_name, "armv4t"
+               string  cpu_elf_name, "v4"
+               string  cpu_arm9tdmi_name, "ARM9TDMI"
+               string  cpu_p2001_name, "P2001"
+
+               .align
+
+               .section ".proc.info.init", #alloc
+
+.macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
+               .type   __\name\()_proc_info, #object
+__\name\()_proc_info:
+               .long   \cpu_val
+               .long   \cpu_mask
+               .long   0
+               .long   0
+               initfn  __arm9tdmi_setup, __\name\()_proc_info
+               .long   cpu_arch_name
+               .long   cpu_elf_name
+               .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+               .long   \cpu_name
+               .long   arm9tdmi_processor_functions
+               .long   0
+               .long   0
+               .long   v4_cache_fns
+               .size   __\name\()_proc_info, . - __\name\()_proc_info
+.endm
+
+       arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name
+       arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name