ARC: switch to generic ENTRY/END assembler annotations
With commit 9df62f0544
"arch: use ASM_NL instead of ';'" the generic
macros can handle the arch specific newline quirk. Hence we can get rid
of ARC asm macros and use the "C" style macros.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
parent
d6579e99bc
commit
ec7ac6afd0
@ -13,20 +13,6 @@
|
||||
|
||||
#define ASM_NL ` /* use '`' to mark new line in macro */
|
||||
|
||||
/* Can't use the ENTRY macro in linux/linkage.h
|
||||
* gas considers ';' as comment vs. newline
|
||||
*/
|
||||
.macro ARC_ENTRY name
|
||||
.global \name
|
||||
.align 4
|
||||
\name:
|
||||
.endm
|
||||
|
||||
.macro ARC_EXIT name
|
||||
#define ASM_PREV_SYM_ADDR(name) .-##name
|
||||
.size \ name, ASM_PREV_SYM_ADDR(\name)
|
||||
.endm
|
||||
|
||||
/* annotation for data we want in DCCM - if enabled in .config */
|
||||
.macro ARCFP_DATA nm
|
||||
#ifdef CONFIG_ARC_HAS_DCCM
|
||||
|
@ -62,4 +62,4 @@ __switch_to:
|
||||
ld.ab blink, [sp, 4]
|
||||
j [blink]
|
||||
|
||||
ARC_EXIT __switch_to
|
||||
END(__switch_to)
|
||||
|
@ -141,7 +141,7 @@ VECTOR EV_Extension ; 0x130, Extn Intruction Excp (0x26)
|
||||
VECTOR reserved ; Reserved Exceptions
|
||||
.endr
|
||||
|
||||
#include <linux/linkage.h> /* ARC_{EXTRY,EXIT} */
|
||||
#include <linux/linkage.h> /* {EXTRY,EXIT} */
|
||||
#include <asm/entry.h> /* SAVE_ALL_{INT1,INT2,SYS...} */
|
||||
#include <asm/errno.h>
|
||||
#include <asm/arcregs.h>
|
||||
@ -184,7 +184,7 @@ reserved: ; processor restart
|
||||
; ---------------------------------------------
|
||||
; Level 2 ISR: Can interrupt a Level 1 ISR
|
||||
; ---------------------------------------------
|
||||
ARC_ENTRY handle_interrupt_level2
|
||||
ENTRY(handle_interrupt_level2)
|
||||
|
||||
; TODO-vineetg for SMP this wont work
|
||||
; free up r9 as scratchpad
|
||||
@ -225,14 +225,14 @@ ARC_ENTRY handle_interrupt_level2
|
||||
|
||||
b ret_from_exception
|
||||
|
||||
ARC_EXIT handle_interrupt_level2
|
||||
END(handle_interrupt_level2)
|
||||
|
||||
#endif
|
||||
|
||||
; ---------------------------------------------
|
||||
; Level 1 ISR
|
||||
; ---------------------------------------------
|
||||
ARC_ENTRY handle_interrupt_level1
|
||||
ENTRY(handle_interrupt_level1)
|
||||
|
||||
/* free up r9 as scratchpad */
|
||||
#ifdef CONFIG_SMP
|
||||
@ -265,7 +265,7 @@ ARC_ENTRY handle_interrupt_level1
|
||||
sr r8, [AUX_IRQ_LV12] ; clear bit in Sticky Status Reg
|
||||
|
||||
b ret_from_exception
|
||||
ARC_EXIT handle_interrupt_level1
|
||||
END(handle_interrupt_level1)
|
||||
|
||||
;################### Non TLB Exception Handling #############################
|
||||
|
||||
@ -273,7 +273,7 @@ ARC_EXIT handle_interrupt_level1
|
||||
; Instruction Error Exception Handler
|
||||
; ---------------------------------------------
|
||||
|
||||
ARC_ENTRY instr_service
|
||||
ENTRY(instr_service)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -284,13 +284,13 @@ ARC_ENTRY instr_service
|
||||
|
||||
bl do_insterror_or_kprobe
|
||||
b ret_from_exception
|
||||
ARC_EXIT instr_service
|
||||
END(instr_service)
|
||||
|
||||
; ---------------------------------------------
|
||||
; Memory Error Exception Handler
|
||||
; ---------------------------------------------
|
||||
|
||||
ARC_ENTRY mem_service
|
||||
ENTRY(mem_service)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -301,13 +301,13 @@ ARC_ENTRY mem_service
|
||||
|
||||
bl do_memory_error
|
||||
b ret_from_exception
|
||||
ARC_EXIT mem_service
|
||||
END(mem_service)
|
||||
|
||||
; ---------------------------------------------
|
||||
; Machine Check Exception Handler
|
||||
; ---------------------------------------------
|
||||
|
||||
ARC_ENTRY EV_MachineCheck
|
||||
ENTRY(EV_MachineCheck)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -331,13 +331,13 @@ ARC_ENTRY EV_MachineCheck
|
||||
|
||||
j do_machine_check_fault
|
||||
|
||||
ARC_EXIT EV_MachineCheck
|
||||
END(EV_MachineCheck)
|
||||
|
||||
; ---------------------------------------------
|
||||
; Protection Violation Exception Handler
|
||||
; ---------------------------------------------
|
||||
|
||||
ARC_ENTRY EV_TLBProtV
|
||||
ENTRY(EV_TLBProtV)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -385,12 +385,12 @@ ARC_ENTRY EV_TLBProtV
|
||||
|
||||
b ret_from_exception
|
||||
|
||||
ARC_EXIT EV_TLBProtV
|
||||
END(EV_TLBProtV)
|
||||
|
||||
; ---------------------------------------------
|
||||
; Privilege Violation Exception Handler
|
||||
; ---------------------------------------------
|
||||
ARC_ENTRY EV_PrivilegeV
|
||||
ENTRY(EV_PrivilegeV)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -401,12 +401,12 @@ ARC_ENTRY EV_PrivilegeV
|
||||
|
||||
bl do_privilege_fault
|
||||
b ret_from_exception
|
||||
ARC_EXIT EV_PrivilegeV
|
||||
END(EV_PrivilegeV)
|
||||
|
||||
; ---------------------------------------------
|
||||
; Extension Instruction Exception Handler
|
||||
; ---------------------------------------------
|
||||
ARC_ENTRY EV_Extension
|
||||
ENTRY(EV_Extension)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -417,7 +417,7 @@ ARC_ENTRY EV_Extension
|
||||
|
||||
bl do_extension_fault
|
||||
b ret_from_exception
|
||||
ARC_EXIT EV_Extension
|
||||
END(EV_Extension)
|
||||
|
||||
;######################### System Call Tracing #########################
|
||||
|
||||
@ -504,7 +504,7 @@ trap_with_param:
|
||||
; (2) Break Points
|
||||
;------------------------------------------------------------------
|
||||
|
||||
ARC_ENTRY EV_Trap
|
||||
ENTRY(EV_Trap)
|
||||
|
||||
EXCEPTION_PROLOGUE
|
||||
|
||||
@ -534,9 +534,9 @@ ARC_ENTRY EV_Trap
|
||||
jl [r9] ; Entry into Sys Call Handler
|
||||
|
||||
; fall through to ret_from_system_call
|
||||
ARC_EXIT EV_Trap
|
||||
END(EV_Trap)
|
||||
|
||||
ARC_ENTRY ret_from_system_call
|
||||
ENTRY(ret_from_system_call)
|
||||
|
||||
st r0, [sp, PT_r0] ; sys call return value in pt_regs
|
||||
|
||||
@ -546,7 +546,7 @@ ARC_ENTRY ret_from_system_call
|
||||
;
|
||||
; If ret to user mode do we need to handle signals, schedule() et al.
|
||||
|
||||
ARC_ENTRY ret_from_exception
|
||||
ENTRY(ret_from_exception)
|
||||
|
||||
; Pre-{IRQ,Trap,Exception} K/U mode from pt_regs->status32
|
||||
ld r8, [sp, PT_status32] ; returning to User/Kernel Mode
|
||||
@ -726,9 +726,9 @@ not_level1_interrupt:
|
||||
debug_marker_syscall:
|
||||
rtie
|
||||
|
||||
ARC_EXIT ret_from_exception
|
||||
END(ret_from_exception)
|
||||
|
||||
ARC_ENTRY ret_from_fork
|
||||
ENTRY(ret_from_fork)
|
||||
; when the forked child comes here from the __switch_to function
|
||||
; r0 has the last task pointer.
|
||||
; put last task in scheduler queue
|
||||
@ -745,11 +745,11 @@ ARC_ENTRY ret_from_fork
|
||||
; special case of kernel_thread entry point returning back due to
|
||||
; kernel_execve() - pretend return from syscall to ret to userland
|
||||
b ret_from_exception
|
||||
ARC_EXIT ret_from_fork
|
||||
END(ret_from_fork)
|
||||
|
||||
;################### Special Sys Call Wrappers ##########################
|
||||
|
||||
ARC_ENTRY sys_clone_wrapper
|
||||
ENTRY(sys_clone_wrapper)
|
||||
SAVE_CALLEE_SAVED_USER
|
||||
bl @sys_clone
|
||||
DISCARD_CALLEE_SAVED_USER
|
||||
@ -759,7 +759,7 @@ ARC_ENTRY sys_clone_wrapper
|
||||
bnz tracesys_exit
|
||||
|
||||
b ret_from_system_call
|
||||
ARC_EXIT sys_clone_wrapper
|
||||
END(sys_clone_wrapper)
|
||||
|
||||
#ifdef CONFIG_ARC_DW2_UNWIND
|
||||
; Workaround for bug 94179 (STAR ):
|
||||
|
@ -6,7 +6,7 @@
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
#ifdef __LITTLE_ENDIAN__
|
||||
#define WORD2 r2
|
||||
@ -16,7 +16,7 @@
|
||||
#define SHIFT r2
|
||||
#endif
|
||||
|
||||
ARC_ENTRY memcmp
|
||||
ENTRY(memcmp)
|
||||
or r12,r0,r1
|
||||
asl_s r12,r12,30
|
||||
sub r3,r2,1
|
||||
@ -121,4 +121,4 @@ ARC_ENTRY memcmp
|
||||
.Lnil:
|
||||
j_s.d [blink]
|
||||
mov r0,0
|
||||
ARC_EXIT memcmp
|
||||
END(memcmp)
|
||||
|
@ -6,9 +6,9 @@
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
ARC_ENTRY memcpy
|
||||
ENTRY(memcpy)
|
||||
or r3,r0,r1
|
||||
asl_s r3,r3,30
|
||||
mov_s r5,r0
|
||||
@ -63,4 +63,4 @@ ARC_ENTRY memcpy
|
||||
.Lendbloop:
|
||||
j_s.d [blink]
|
||||
stb r12,[r5,0]
|
||||
ARC_EXIT memcpy
|
||||
END(memcpy)
|
||||
|
@ -6,11 +6,11 @@
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
#define SMALL 7 /* Must be at least 6 to deal with alignment/loop issues. */
|
||||
|
||||
ARC_ENTRY memset
|
||||
ENTRY(memset)
|
||||
mov_s r4,r0
|
||||
or r12,r0,r2
|
||||
bmsk.f r12,r12,1
|
||||
@ -46,14 +46,14 @@ ARC_ENTRY memset
|
||||
stb.ab r1,[r4,1]
|
||||
.Ltiny_end:
|
||||
j_s [blink]
|
||||
ARC_EXIT memset
|
||||
END(memset)
|
||||
|
||||
; memzero: @r0 = mem, @r1 = size_t
|
||||
; memset: @r0 = mem, @r1 = char, @r2 = size_t
|
||||
|
||||
ARC_ENTRY memzero
|
||||
ENTRY(memzero)
|
||||
; adjust bzero args to memset args
|
||||
mov r2, r1
|
||||
mov r1, 0
|
||||
b memset ;tail call so need to tinker with blink
|
||||
ARC_EXIT memzero
|
||||
END(memzero)
|
||||
|
@ -11,9 +11,9 @@
|
||||
presence of the norm instruction makes it easier to operate on whole
|
||||
words branch-free. */
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
ARC_ENTRY strchr
|
||||
ENTRY(strchr)
|
||||
extb_s r1,r1
|
||||
asl r5,r1,8
|
||||
bmsk r2,r0,1
|
||||
@ -130,4 +130,4 @@ ARC_ENTRY strchr
|
||||
j_s.d [blink]
|
||||
mov.mi r0,0
|
||||
#endif /* ENDIAN */
|
||||
ARC_EXIT strchr
|
||||
END(strchr)
|
||||
|
@ -13,9 +13,9 @@
|
||||
source 1; however, that would increase the overhead for loop setup / finish,
|
||||
and strcmp might often terminate early. */
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
ARC_ENTRY strcmp
|
||||
ENTRY(strcmp)
|
||||
or r2,r0,r1
|
||||
bmsk_s r2,r2,1
|
||||
brne r2,0,.Lcharloop
|
||||
@ -93,4 +93,4 @@ ARC_ENTRY strcmp
|
||||
.Lcmpend:
|
||||
j_s.d [blink]
|
||||
sub r0,r2,r3
|
||||
ARC_EXIT strcmp
|
||||
END(strcmp)
|
||||
|
@ -16,9 +16,9 @@
|
||||
there, but the it is not likely to be taken often, and it
|
||||
would also be likey to cost an unaligned mispredict at the next call. */
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
ARC_ENTRY strcpy
|
||||
ENTRY(strcpy)
|
||||
or r2,r0,r1
|
||||
bmsk_s r2,r2,1
|
||||
brne.d r2,0,charloop
|
||||
@ -67,4 +67,4 @@ charloop:
|
||||
brne.d r3,0,charloop
|
||||
stb.ab r3,[r10,1]
|
||||
j [blink]
|
||||
ARC_EXIT strcpy
|
||||
END(strcpy)
|
||||
|
@ -6,9 +6,9 @@
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
|
||||
#include <asm/linkage.h>
|
||||
#include <linux/linkage.h>
|
||||
|
||||
ARC_ENTRY strlen
|
||||
ENTRY(strlen)
|
||||
or r3,r0,7
|
||||
ld r2,[r3,-7]
|
||||
ld.a r6,[r3,-3]
|
||||
@ -80,4 +80,4 @@ ARC_ENTRY strlen
|
||||
.Learly_end:
|
||||
b.d .Lend
|
||||
sub_s.ne r1,r1,r1
|
||||
ARC_EXIT strlen
|
||||
END(strlen)
|
||||
|
@ -260,7 +260,7 @@ ARCFP_CODE ;Fast Path Code, candidate for ICCM
|
||||
; I-TLB Miss Exception Handler
|
||||
;-----------------------------------------------------------------------------
|
||||
|
||||
ARC_ENTRY EV_TLBMissI
|
||||
ENTRY(EV_TLBMissI)
|
||||
|
||||
TLBMISS_FREEUP_REGS
|
||||
|
||||
@ -293,13 +293,13 @@ ARC_ENTRY EV_TLBMissI
|
||||
TLBMISS_RESTORE_REGS
|
||||
rtie
|
||||
|
||||
ARC_EXIT EV_TLBMissI
|
||||
END(EV_TLBMissI)
|
||||
|
||||
;-----------------------------------------------------------------------------
|
||||
; D-TLB Miss Exception Handler
|
||||
;-----------------------------------------------------------------------------
|
||||
|
||||
ARC_ENTRY EV_TLBMissD
|
||||
ENTRY(EV_TLBMissD)
|
||||
|
||||
TLBMISS_FREEUP_REGS
|
||||
|
||||
@ -381,6 +381,4 @@ do_slow_path_pf:
|
||||
bl do_page_fault
|
||||
b ret_from_exception
|
||||
|
||||
ARC_EXIT EV_TLBMissD
|
||||
|
||||
ARC_ENTRY EV_TLBMissB ; Bogus entry to measure sz of DTLBMiss hdlr
|
||||
END(EV_TLBMissD)
|
||||
|
Loading…
Reference in New Issue
Block a user