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Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: pm: ensure ARMv7 CPUs save and restore the TLS register ARM: pm: proc-v7: fix missing struct processor pointers for suspend code ARM: 6969/1: plat-iop: fix build error ARM: 6961/1: zImage: Add build-time check for correctly-sized proc_type entries ARM: SMP: wait for CPU to be marked active ARM: 6963/1: Thumb-2: Relax relocation requirements for non-function symbols ARM: 6962/1: mach-h720x: fix build error ARM: 6959/1: SMP build fix for entry-macro-multi.S
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edcda26522
@ -597,6 +597,8 @@ __common_mmu_cache_on:
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sub pc, lr, r0, lsr #32 @ properly flush pipeline
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#endif
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#define PROC_ENTRY_SIZE (4*5)
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/*
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* Here follow the relocatable cache support functions for the
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* various processors. This is a generic hook for locating an
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@ -624,7 +626,7 @@ call_cache_fn: adr r12, proc_types
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ARM( addeq pc, r12, r3 ) @ call cache function
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THUMB( addeq r12, r3 )
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THUMB( moveq pc, r12 ) @ call cache function
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add r12, r12, #4*5
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add r12, r12, #PROC_ENTRY_SIZE
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b 1b
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/*
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@ -794,6 +796,16 @@ proc_types:
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.size proc_types, . - proc_types
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/*
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* If you get a "non-constant expression in ".if" statement"
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* error from the assembler on this line, check that you have
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* not accidentally written a "b" instruction where you should
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* have written W(b).
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*/
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.if (. - proc_types) % PROC_ENTRY_SIZE != 0
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.error "The size of one or more proc_types entries is wrong."
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.endif
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/*
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* Turn off the Cache and MMU. ARMv3 does not support
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* reading the control register, but ARMv4 does.
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@ -13,6 +13,9 @@
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* Do not include any C declarations in this file - it is included by
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* assembler source.
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*/
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#ifndef __ASM_ASSEMBLER_H__
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#define __ASM_ASSEMBLER_H__
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#ifndef __ASSEMBLY__
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#error "Only include this from assembly code"
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#endif
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@ -290,3 +293,4 @@
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.macro ldrusr, reg, ptr, inc, cond=al, rept=1, abort=9001f
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usracc ldr, \reg, \ptr, \inc, \cond, \rept, \abort
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.endm
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#endif /* __ASM_ASSEMBLER_H__ */
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@ -1,3 +1,5 @@
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#include <asm/assembler.h>
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/*
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* Interrupt handling. Preserves r7, r8, r9
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*/
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@ -193,8 +193,17 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
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offset -= 0x02000000;
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offset += sym->st_value - loc;
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/* only Thumb addresses allowed (no interworking) */
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if (!(offset & 1) ||
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/*
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* For function symbols, only Thumb addresses are
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* allowed (no interworking).
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*
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* For non-function symbols, the destination
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* has no specific ARM/Thumb disposition, so
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* the branch is resolved under the assumption
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* that interworking is not required.
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*/
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if ((ELF32_ST_TYPE(sym->st_info) == STT_FUNC &&
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!(offset & 1)) ||
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offset <= (s32)0xff000000 ||
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offset >= (s32)0x01000000) {
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pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n",
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@ -318,9 +318,13 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
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smp_store_cpu_info(cpu);
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/*
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* OK, now it's safe to let the boot CPU continue
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* OK, now it's safe to let the boot CPU continue. Wait for
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* the CPU migration code to notice that the CPU is online
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* before we continue.
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*/
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set_cpu_online(cpu, true);
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while (!cpu_active(cpu))
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cpu_relax();
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/*
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* OK, it's off to the idle thread for us
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@ -6,12 +6,14 @@ config ARCH_H7201
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bool "gms30c7201"
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depends on ARCH_H720X
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select CPU_H7201
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select ZONE_DMA
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help
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Say Y here if you are using the Hynix GMS30C7201 Reference Board
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config ARCH_H7202
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bool "hms30c7202"
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select CPU_H7202
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select ZONE_DMA
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depends on ARCH_H720X
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help
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Say Y here if you are using the Hynix HMS30C7202 Reference Board
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@ -210,19 +210,21 @@ cpu_v7_name:
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/* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */
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.globl cpu_v7_suspend_size
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.equ cpu_v7_suspend_size, 4 * 8
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.equ cpu_v7_suspend_size, 4 * 9
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#ifdef CONFIG_PM_SLEEP
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ENTRY(cpu_v7_do_suspend)
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stmfd sp!, {r4 - r11, lr}
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mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
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mrc p15, 0, r5, c13, c0, 1 @ Context ID
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mrc p15, 0, r6, c13, c0, 3 @ User r/o thread ID
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stmia r0!, {r4 - r6}
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mrc p15, 0, r6, c3, c0, 0 @ Domain ID
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mrc p15, 0, r7, c2, c0, 0 @ TTB 0
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mrc p15, 0, r8, c2, c0, 1 @ TTB 1
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mrc p15, 0, r9, c1, c0, 0 @ Control register
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mrc p15, 0, r10, c1, c0, 1 @ Auxiliary control register
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mrc p15, 0, r11, c1, c0, 2 @ Co-processor access control
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stmia r0, {r4 - r11}
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stmia r0, {r6 - r11}
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ldmfd sp!, {r4 - r11, pc}
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ENDPROC(cpu_v7_do_suspend)
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@ -230,9 +232,11 @@ ENTRY(cpu_v7_do_resume)
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mov ip, #0
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mcr p15, 0, ip, c8, c7, 0 @ invalidate TLBs
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mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
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ldmia r0, {r4 - r11}
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ldmia r0!, {r4 - r6}
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mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID
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mcr p15, 0, r5, c13, c0, 1 @ Context ID
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mcr p15, 0, r6, c13, c0, 3 @ User r/o thread ID
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ldmia r0, {r6 - r11}
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mcr p15, 0, r6, c3, c0, 0 @ Domain ID
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mcr p15, 0, r7, c2, c0, 0 @ TTB 0
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mcr p15, 0, r8, c2, c0, 1 @ TTB 1
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@ -418,9 +422,9 @@ ENTRY(v7_processor_functions)
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.word cpu_v7_dcache_clean_area
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.word cpu_v7_switch_mm
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.word cpu_v7_set_pte_ext
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.word 0
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.word 0
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.word 0
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.word cpu_v7_suspend_size
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.word cpu_v7_do_suspend
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.word cpu_v7_do_resume
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.size v7_processor_functions, . - v7_processor_functions
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.section ".rodata"
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@ -18,6 +18,7 @@
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*/
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#include <linux/init.h>
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#include <asm/traps.h>
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#include <asm/ptrace.h>
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static int cp6_trap(struct pt_regs *regs, unsigned int instr)
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{
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