1/* SPDX-License-Identifier: GPL-2.0 */
  2
  3#ifdef CONFIG_HOTPLUG_CPU
  4#define ARM_CPU_DISCARD(x)
  5#define ARM_CPU_KEEP(x)		x
  6#else
  7#define ARM_CPU_DISCARD(x)	x
  8#define ARM_CPU_KEEP(x)
  9#endif
 10
 11#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
 12	defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL)
 13#define ARM_EXIT_KEEP(x)	x
 14#define ARM_EXIT_DISCARD(x)
 15#else
 16#define ARM_EXIT_KEEP(x)
 17#define ARM_EXIT_DISCARD(x)	x
 18#endif
 19
 20#ifdef CONFIG_MMU
 21#define ARM_MMU_KEEP(x)		x
 22#define ARM_MMU_DISCARD(x)
 23#else
 24#define ARM_MMU_KEEP(x)
 25#define ARM_MMU_DISCARD(x)	x
 26#endif
 27
 28#define PROC_INFO							\
 29		. = ALIGN(4);						\
 30		__proc_info_begin = .;					\
 31		*(.proc.info.init)					\
 32		__proc_info_end = .;
 33
 34#define HYPERVISOR_TEXT							\
 35		__hyp_text_start = .;					\
 36		*(.hyp.text)						\
 37		__hyp_text_end = .;
 38
 39#define IDMAP_TEXT							\
 40		ALIGN_FUNCTION();					\
 41		__idmap_text_start = .;					\
 42		*(.idmap.text)						\
 43		__idmap_text_end = .;					\
 44		. = ALIGN(PAGE_SIZE);					\
 45		__hyp_idmap_text_start = .;				\
 46		*(.hyp.idmap.text)					\
 47		__hyp_idmap_text_end = .;
 48
 49#define ARM_DISCARD							\
 50		*(.ARM.exidx.exit.text)					\
 51		*(.ARM.extab.exit.text)					\
 52		*(.ARM.exidx.text.exit)					\
 53		*(.ARM.extab.text.exit)					\
 54		ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text))		\
 55		ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text))		\
 56		ARM_EXIT_DISCARD(EXIT_TEXT)				\
 57		ARM_EXIT_DISCARD(EXIT_DATA)				\
 58		EXIT_CALL						\
 59		ARM_MMU_DISCARD(*(.text.fixup))				\
 60		ARM_MMU_DISCARD(*(__ex_table))				\
 61		*(.discard)						\
 62		*(.discard.*)
 63
 64#define ARM_TEXT							\
 65		IDMAP_TEXT						\
 66		__entry_text_start = .;					\
 67		*(.entry.text)						\
 68		__entry_text_end = .;					\
 69		IRQENTRY_TEXT						\
 70		SOFTIRQENTRY_TEXT					\
 71		TEXT_TEXT						\
 72		SCHED_TEXT						\
 73		CPUIDLE_TEXT						\
 74		LOCK_TEXT						\
 75		HYPERVISOR_TEXT						\
 76		KPROBES_TEXT						\
 77		*(.gnu.warning)						\
 78		*(.glue_7)						\
 79		*(.glue_7t)						\
 80		. = ALIGN(4);						\
 81		*(.got)			/* Global offset table */	\
 82		ARM_CPU_KEEP(PROC_INFO)
 83
 84/* Stack unwinding tables */
 85#define ARM_UNWIND_SECTIONS						\
 86	. = ALIGN(8);							\
 87	.ARM.unwind_idx : {						\
 88		__start_unwind_idx = .;					\
 89		*(.ARM.exidx*)						\
 90		__stop_unwind_idx = .;					\
 91	}								\
 92	.ARM.unwind_tab : {						\
 93		__start_unwind_tab = .;					\
 94		*(.ARM.extab*)						\
 95		__stop_unwind_tab = .;					\
 96	}
 97
 98/*
 99 * The vectors and stubs are relocatable code, and the
100 * only thing that matters is their relative offsets
101 */
102#define ARM_VECTORS							\
103	__vectors_start = .;						\
104	.vectors 0xffff0000 : AT(__vectors_start) {			\
105		*(.vectors)						\
106	}								\
107	. = __vectors_start + SIZEOF(.vectors);				\
108	__vectors_end = .;						\
109									\
110	__stubs_start = .;						\
111	.stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) {		\
112		*(.stubs)						\
113	}								\
114	. = __stubs_start + SIZEOF(.stubs);				\
115	__stubs_end = .;						\
116									\
117	PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));
118
119#define ARM_TCM								\
120	__itcm_start = ALIGN(4);					\
121	.text_itcm ITCM_OFFSET : AT(__itcm_start - LOAD_OFFSET) {	\
122		__sitcm_text = .;					\
123		*(.tcm.text)						\
124		*(.tcm.rodata)						\
125		. = ALIGN(4);						\
126		__eitcm_text = .;					\
127	}								\
128	. = __itcm_start + SIZEOF(.text_itcm);				\
129									\
130	__dtcm_start = .;						\
131	.data_dtcm DTCM_OFFSET : AT(__dtcm_start - LOAD_OFFSET) {	\
132		__sdtcm_data = .;					\
133		*(.tcm.data)						\
134		. = ALIGN(4);						\
135		__edtcm_data = .;					\
136	}								\
137	. = __dtcm_start + SIZEOF(.data_dtcm);