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microblaze: Do not use "la" pseudo instruction - use addik instead

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"la" pseudo instruction is only translation to "addik".
Use directly "addik" which is described in the MB reference guide.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2011-02-01 09:00:57 +01:00
parent 6e83557c38
commit cd3415779b
4 changed files with 15 additions and 15 deletions
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4
arch/microblaze/kernel/entry-nommu.S
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@ -115,7 +115,7 @@ ENTRY(_interrupt)
/* restore r31 */ /* restore r31 */
lwi r31, r0, PER_CPU(CURRENT_SAVE) lwi r31, r0, PER_CPU(CURRENT_SAVE)
/* prepare the link register, the argument and jump */ /* prepare the link register, the argument and jump */
la r15, r0, ret_from_intr - 8 addik r15, r0, ret_from_intr - 8
addk r6, r0, r15 addk r6, r0, r15
braid do_IRQ braid do_IRQ
add r5, r0, r1 add r5, r0, r1
@ -283,7 +283,7 @@ ENTRY(_user_exception)
add r12, r12, r12 /* convert num -> ptr */ add r12, r12, r12 /* convert num -> ptr */
add r12, r12, r12 add r12, r12, r12
lwi r12, r12, sys_call_table /* Get function pointer */ lwi r12, r12, sys_call_table /* Get function pointer */
la r15, r0, ret_to_user-8 /* set return address */ addik r15, r0, ret_to_user-8 /* set return address */
bra r12 /* Make the system call. */ bra r12 /* Make the system call. */
bri 0 /* won't reach here */ bri 0 /* won't reach here */
1: 1:

2
arch/microblaze/kernel/entry.S
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@ -821,7 +821,7 @@ C_ENTRY(_debug_exception):
tovirt(r1,r1) tovirt(r1,r1)
#ifdef CONFIG_KGDB #ifdef CONFIG_KGDB
addi r5, r1, 0 /* pass pt_reg address as the first arg */ addi r5, r1, 0 /* pass pt_reg address as the first arg */
la r15, r0, dbtrap_call; /* return address */ addik r15, r0, dbtrap_call; /* return address */
rtbd r0, microblaze_kgdb_break rtbd r0, microblaze_kgdb_break
nop; nop;
#endif #endif

12
arch/microblaze/kernel/head.S
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@ -224,26 +224,26 @@ start_here:
#endif /* CONFIG_MMU */ #endif /* CONFIG_MMU */
/* Initialize small data anchors */ /* Initialize small data anchors */
la r13, r0, _KERNEL_SDA_BASE_ addik r13, r0, _KERNEL_SDA_BASE_
la r2, r0, _KERNEL_SDA2_BASE_ addik r2, r0, _KERNEL_SDA2_BASE_
/* Initialize stack pointer */ /* Initialize stack pointer */
la r1, r0, init_thread_union + THREAD_SIZE - 4 addik r1, r0, init_thread_union + THREAD_SIZE - 4
/* Initialize r31 with current task address */ /* Initialize r31 with current task address */
la r31, r0, init_task addik r31, r0, init_task
/* /*
* Call platform dependent initialize function. * Call platform dependent initialize function.
* Please see $(ARCH)/mach-$(SUBARCH)/setup.c for * Please see $(ARCH)/mach-$(SUBARCH)/setup.c for
* the function. * the function.
*/ */
la r9, r0, machine_early_init addik r9, r0, machine_early_init
brald r15, r9 brald r15, r9
nop nop
#ifndef CONFIG_MMU #ifndef CONFIG_MMU
la r15, r0, machine_halt addik r15, r0, machine_halt
braid start_kernel braid start_kernel
nop nop
#else #else

12
arch/microblaze/kernel/hw_exception_handler.S
View File

@ -490,7 +490,7 @@ ex_lw_tail:
/* Get the destination register number into r5 */ /* Get the destination register number into r5 */
lbui r5, r0, TOPHYS(ex_reg_op); lbui r5, r0, TOPHYS(ex_reg_op);
/* Form load_word jump table offset (lw_table + (8 * regnum)) */ /* Form load_word jump table offset (lw_table + (8 * regnum)) */
la r6, r0, TOPHYS(lw_table); addik r6, r0, TOPHYS(lw_table);
addk r5, r5, r5; addk r5, r5, r5;
addk r5, r5, r5; addk r5, r5, r5;
addk r5, r5, r5; addk r5, r5, r5;
@ -501,7 +501,7 @@ ex_sw:
/* Get the destination register number into r5 */ /* Get the destination register number into r5 */
lbui r5, r0, TOPHYS(ex_reg_op); lbui r5, r0, TOPHYS(ex_reg_op);
/* Form store_word jump table offset (sw_table + (8 * regnum)) */ /* Form store_word jump table offset (sw_table + (8 * regnum)) */
la r6, r0, TOPHYS(sw_table); addik r6, r0, TOPHYS(sw_table);
add r5, r5, r5; add r5, r5, r5;
add r5, r5, r5; add r5, r5, r5;
add r5, r5, r5; add r5, r5, r5;
@ -912,7 +912,7 @@ ex_lw_vm:
beqid r6, ex_lhw_vm; beqid r6, ex_lhw_vm;
load1: lbui r5, r4, 0; /* Exception address in r4 - delay slot */ load1: lbui r5, r4, 0; /* Exception address in r4 - delay slot */
/* Load a word, byte-by-byte from destination address and save it in tmp space*/ /* Load a word, byte-by-byte from destination address and save it in tmp space*/
la r6, r0, ex_tmp_data_loc_0; addik r6, r0, ex_tmp_data_loc_0;
sbi r5, r6, 0; sbi r5, r6, 0;
load2: lbui r5, r4, 1; load2: lbui r5, r4, 1;
sbi r5, r6, 1; sbi r5, r6, 1;
@ -926,7 +926,7 @@ load4: lbui r5, r4, 3;
ex_lhw_vm: ex_lhw_vm:
/* Load a half-word, byte-by-byte from destination address and /* Load a half-word, byte-by-byte from destination address and
* save it in tmp space */ * save it in tmp space */
la r6, r0, ex_tmp_data_loc_0; addik r6, r0, ex_tmp_data_loc_0;
sbi r5, r6, 0; sbi r5, r6, 0;
load5: lbui r5, r4, 1; load5: lbui r5, r4, 1;
sbi r5, r6, 1; sbi r5, r6, 1;
@ -942,7 +942,7 @@ ex_sw_vm:
addik r5, r8, sw_table_vm; addik r5, r8, sw_table_vm;
bra r5; bra r5;
ex_sw_tail_vm: ex_sw_tail_vm:
la r5, r0, ex_tmp_data_loc_0; addik r5, r0, ex_tmp_data_loc_0;
beqid r6, ex_shw_vm; beqid r6, ex_shw_vm;
swi r3, r5, 0; /* Get the word - delay slot */ swi r3, r5, 0; /* Get the word - delay slot */
/* Store the word, byte-by-byte into destination address */ /* Store the word, byte-by-byte into destination address */
@ -985,7 +985,7 @@ ex_unaligned_fixup:
addik r7, r0, SIGSEGV addik r7, r0, SIGSEGV
/* call bad_page_fault for finding aligned fixup, fixup address is saved /* call bad_page_fault for finding aligned fixup, fixup address is saved
* in PT_PC which is used as return address from exception */ * in PT_PC which is used as return address from exception */
la r15, r0, ret_from_exc-8 /* setup return address */ addik r15, r0, ret_from_exc-8 /* setup return address */
brid bad_page_fault brid bad_page_fault
nop nop