- use asm_def.h and FUNCTION_END
- remove some dead ppc code git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28023 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
parent
099e08d534
commit
9f5e12b6b3
@ -1,5 +1,5 @@
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#define FUNCTION(x) .global x; .type x,@function; x
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#include <asm_defs.h>
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.text
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@ -8,17 +8,20 @@
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FUNCTION(flush_insn_pipeline_030):
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nop
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rts
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FUNCTION_END(flush_insn_pipeline_030)
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/* flush all ATC entries */
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FUNCTION(flush_atc_all_030):
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pflusha
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rts
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FUNCTION_END(flush_atc_all_030)
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/* flush ATC entries for given address */
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FUNCTION(flush_atc_addr_030):
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move.l (4,%a7),%a0
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pflush #0,#0,(%a0)
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rts
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FUNCTION_END(flush_atc_addr_030)
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@ -1,5 +1,5 @@
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#define FUNCTION(x) .global x; .type x,@function; x
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#include <asm_defs.h>
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.text
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/* gas doesn't seem to get the -m arg... */
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@ -9,22 +9,26 @@
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FUNCTION(flush_insn_pipeline_040):
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nop
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rts
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FUNCTION_END(flush_insn_pipeline_040)
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/* flush all ATC entries */
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FUNCTION(flush_atc_all_040):
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pflusha
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rts
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FUNCTION_END(flush_atc_all_040)
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/* flush all user (non-global) ATC entries */
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FUNCTION(flush_atc_user_040):
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pflushan
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rts
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FUNCTION_END(flush_atc_user_040)
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/* flush ATC entries for given address */
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FUNCTION(flush_atc_addr_040):
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move.l (4,%a7),%a0
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pflush (%a0)
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rts
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FUNCTION_END(flush_atc_addr_040)
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@ -8,7 +8,7 @@
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#include <arch/m68k/arch_cpu.h>
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#define FUNCTION(x) .global x; .type x,@function; x
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#include <asm_defs.h>
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.text
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@ -16,12 +16,14 @@
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FUNCTION(reboot):
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reset
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rts
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FUNCTION_END(reboot)
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/* void arch_int_enable_interrupts(void) */
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FUNCTION(arch_int_enable_interrupts):
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andi #0xf8ff,%sr
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rts
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FUNCTION_END(arch_int_enable_interrupts)
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/* int arch_int_disable_interrupts(void)
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@ -36,6 +38,7 @@ FUNCTION(arch_int_disable_interrupts):
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lsr.l #8,%d0
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andi.l #7,%d0
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rts
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FUNCTION_END(arch_int_disable_interrupts)
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/* void arch_int_restore_interrupts(int oldState)
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@ -50,6 +53,7 @@ FUNCTION(arch_int_restore_interrupts):
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or.w %d0,%d1
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move %d1,%sr
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rts
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FUNCTION_END(arch_int_restore_interrupts)
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/* bool arch_int_are_interrupts_enabled(void) */
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@ -61,12 +65,14 @@ FUNCTION(arch_int_are_interrupts_enabled):
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moveq.l #1,%d0
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arch_int_are_interrupts_enabled_no:
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rts
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FUNCTION_END(arch_int_are_interrupts_enabled)
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// ToDo: fixme
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FUNCTION(dbg_save_registers):
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#warning M68K: implement dbx_save_registers!
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rts
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FUNCTION_END(dbg_save_registers)
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/* long long get_time_base(void) */
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@ -76,6 +82,7 @@ FUNCTION(get_time_base):
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clr.l %d1
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//passed through a0 or d0:d1 ?
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rts
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FUNCTION_END(get_time_base)
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#warning M68K: FIX m68k_context_switch
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@ -97,6 +104,7 @@ FUNCTION(m68k_context_switch):
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//move.w (%sp)+,%sr
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rts
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FUNCTION_END(m68k_context_switch)
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// void m68k_switch_stack_and_call(addr_t newKstack,
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@ -111,6 +119,7 @@ FUNCTION(m68k_switch_stack_and_call):
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jsr (%a1) // call the target function
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_loop:
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bra _loop
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FUNCTION_END(m68k_switch_stack_and_call)
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// m68k_kernel_thread_root(): parameters in r13-r15, the functions to call
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@ -130,4 +139,5 @@ FUNCTION(m68k_kernel_thread_root):
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// debugger (without a message at the moment).
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clr.l -(%sp)
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jmp kernel_debugger
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FUNCTION_END(m68k_kernel_thread_root)
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@ -3,7 +3,7 @@
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** Distributed under the terms of the OpenBeOS License.
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*/
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#define FUNCTION(x) .global x; .type x,@function; x
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#include <asm_defs.h>
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.text
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@ -6,12 +6,10 @@
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* Distributed under the terms of the NewOS License.
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*/
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#include <asm_defs.h>
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#include "asm_offsets.h"
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#define FUNCTION(x) .global x; .type x,@function; x
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#define LOCAL_FUNCTION(x) .type x,@function; x
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/* General exception handling concept:
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@ -89,6 +87,7 @@
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/* this one just returns */
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FUNCTION(__m68k_exception_noop):
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rte
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FUNCTION_END(__m68k_exception_noop)
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/* see arch_asm.S for ctx switch */
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@ -129,374 +128,6 @@ null_res_2:
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movem.l (%sp)+,%d0-%d7/%a0-%a6
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rte
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FUNCTION_END(__m68k_exception_common)
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#if 0 /* PPC */
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/* code in each exception vector */
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#define VEC_ENTRY() \
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mtsprg1 %r1 ; /* temporarily save r1 in SPRG1 */ \
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mfsprg0 %r1 ; /* ppc_cpu_exception_context* -> r1 */ \
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stw %r0, 16(%r1) ; /* save r0 */ \
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mflr %r0 ; /* save LR in r0 */ \
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bl exception_vector_common ; /* continue with the common part */
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/* defines an exception vector */
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#define DEFINE_VECTOR(offset, name) \
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.skip offset - (. - __irqvec_start); \
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FUNCTION(name): \
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VEC_ENTRY()
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.global __irqvec_start
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__irqvec_start:
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.long 0
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/* Called by the exception vector code.
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* LR: Points to the end of the exception vector code we're coming from.
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* r0: original LR
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* r1: ppc_cpu_exception_context* (physical address)
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* SPRG1: original r1
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*/
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exception_vector_common:
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stw %r0, 20(%r1) /* save original LR */
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stw %r2, 24(%r1) /* save r2 */
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stw %r3, 28(%r1) /* save r3 */
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/* load the virtual address of the ppc_cpu_exception_context for this CPU */
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lwz %r1, 4(%r1)
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/* Address translation is turned off. We map this code via BAT, turn on
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address translation, and continue in the kernel proper. */
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li %r0, 0x10|0x2 /* BATL_MC | BATL_PP_RW */
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mtibatl 0, %r0 /* load lower word of the instruction BAT */
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li %r0, 0x2 /* BEPI = 0, BL = 0 (128 KB), BATU_VS */
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mtibatu 0, %r0 /* load upper word of the instruction BAT */
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isync
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sync
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/* turn on address translation */
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mfsrr1 %r0 /* load saved msr */
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rlwinm %r0, %r0, 28, 30, 31 /* extract mmu bits */
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mfmsr %r3 /* load the current msr */
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rlwimi %r3, %r0, 4, 26, 27 /* merge the mmu bits with the current msr */
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li %r0, 1
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rlwimi %r3, %r0, 13, 18, 18 /* turn on FPU, too */
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mtmsr %r3 /* load new msr (turning the mmu back on) */
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isync
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/* Get LR -- it points to the end of the exception vector code. We adjust it
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to point to the beginning and can use it to identify the vector later. */
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mflr %r3
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subi %r3, %r3, 20 /* 5 instructions */
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/* jump to kernel code (ppc_exception_tail) */
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lwz %r2, 0(%r1)
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mtlr %r2
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blr
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DEFINE_VECTOR(0x100, system_reset_exception)
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DEFINE_VECTOR(0x200, machine_check_exception)
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DEFINE_VECTOR(0x300, DSI_exception)
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DEFINE_VECTOR(0x400, ISI_exception)
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DEFINE_VECTOR(0x500, external_interrupt_exception)
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DEFINE_VECTOR(0x600, alignment_exception)
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DEFINE_VECTOR(0x700, program_exception)
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DEFINE_VECTOR(0x800, FP_unavailable_exception)
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DEFINE_VECTOR(0x900, decrementer_exception)
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DEFINE_VECTOR(0xc00, system_call_exception)
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DEFINE_VECTOR(0xd00, trace_exception)
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DEFINE_VECTOR(0xe00, FP_assist_exception)
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DEFINE_VECTOR(0xf00, perf_monitor_exception)
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DEFINE_VECTOR(0xf20, altivec_unavailable_exception)
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DEFINE_VECTOR(0x1000, ITLB_miss_exception)
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DEFINE_VECTOR(0x1100, DTLB_miss_on_load_exception)
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DEFINE_VECTOR(0x1200, DTLB_miss_on_store_exception)
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DEFINE_VECTOR(0x1300, instruction_address_breakpoint_exception)
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DEFINE_VECTOR(0x1400, system_management_exception)
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DEFINE_VECTOR(0x1600, altivec_assist_exception)
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DEFINE_VECTOR(0x1700, thermal_management_exception)
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.global __irqvec_end
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__irqvec_end:
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/* This is where exception_vector_common continues. We're in the kernel here.
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r1: ppc_cpu_exception_context* (virtual address)
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r3: exception vector offset
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SPRG1: original r1
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*/
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FUNCTION(ppc_exception_tail):
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/* turn off BAT */
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li %r2, 0
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mtibatu 0, %r2
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mtibatl 0, %r2
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isync
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sync
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/* save CR */
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mfcr %r0
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mfsrr1 %r2 /* load saved msr */
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andi. %r2, %r2, (1 << 14) /* see if it was in kernel mode */
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beq .kernel /* yep */
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/* We come from userland. Load the kernel stack top address for the current
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userland thread. */
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mr %r2, %r1
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lwz %r1, 8(%r1)
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b .restore_stack_end
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.kernel:
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mr %r2, %r1
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mfsprg1 %r1
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.restore_stack_end:
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/* now r2 points to the ppc_cpu_exception_context, r1 to the kernel stack */
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/* restore the CR, it was messed up in the previous compare */
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mtcrf 0xff, %r0
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/* align r1 to 8 bytes, so the iframe will be aligned too */
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rlwinm %r1, %r1, 0, 0, 28
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/* save the registers */
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bl __save_regs
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/* iframe pointer to r4 and a backup to r20 */
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mr %r4, %r1
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mr %r20, %r1
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/* adjust the stack pointer for ABI compatibility */
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subi %r1, %r1, 8 /* make sure there's space for the previous
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frame pointer and the return address */
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rlwinm %r1, %r1, 0, 0, 27 /* 16 byte align the stack pointer */
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li %r0, 0
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stw %r0, 0(%r1) /* previous frame pointer: NULL */
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/* 4(%r1) is room for the return address to be filled in by the
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called function. */
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/* r3: exception vector offset
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r4: iframe pointer */
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bl ppc_exception_entry
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/* move the iframe to r1 */
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mr %r1, %r20
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b __restore_regs_and_rfi
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/* called by ppc_exception_tail
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* register expectations:
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* r1: stack
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* r2: ppc_cpu_exception_context*
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* SPRG1: original r1
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* r0,r3, LR: scrambled, but saved in scratch memory
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* all other regs should have been unmodified by the exception handler,
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* and ready to be saved
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*/
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__save_regs:
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/* Note: The iframe must be 8 byte aligned. The stack pointer we are passed
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in r1 is aligned. So we store the floating point registers first and
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need to take care that an even number of 4 byte registers is stored,
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or insert padding respectively. */
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/* push f0-f31 */
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stfdu %f0, -8(%r1)
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stfdu %f1, -8(%r1)
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stfdu %f2, -8(%r1)
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stfdu %f3, -8(%r1)
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stfdu %f4, -8(%r1)
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stfdu %f5, -8(%r1)
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stfdu %f6, -8(%r1)
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stfdu %f7, -8(%r1)
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stfdu %f8, -8(%r1)
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stfdu %f9, -8(%r1)
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stfdu %f10, -8(%r1)
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stfdu %f11, -8(%r1)
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stfdu %f12, -8(%r1)
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stfdu %f13, -8(%r1)
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stfdu %f14, -8(%r1)
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stfdu %f15, -8(%r1)
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stfdu %f16, -8(%r1)
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stfdu %f17, -8(%r1)
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stfdu %f18, -8(%r1)
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stfdu %f19, -8(%r1)
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stfdu %f20, -8(%r1)
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stfdu %f21, -8(%r1)
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stfdu %f22, -8(%r1)
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stfdu %f23, -8(%r1)
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stfdu %f24, -8(%r1)
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stfdu %f25, -8(%r1)
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stfdu %f26, -8(%r1)
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stfdu %f27, -8(%r1)
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stfdu %f28, -8(%r1)
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stfdu %f29, -8(%r1)
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stfdu %f30, -8(%r1)
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stfdu %f31, -8(%r1)
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/* push r0-r3 */
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lwz %r0, 16(%r2) /* original r0 */
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stwu %r0, -4(%r1) /* push r0 */
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mfsprg1 %r0 /* original r1 */
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stwu %r0, -4(%r1) /* push r1 */
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lwz %r0, 24(%r2) /* original r2 */
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stwu %r0, -4(%r1) /* push r2 */
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lwz %r0, 28(%r2) /* original r3 */
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stwu %r0, -4(%r1) /* push r3 */
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/* push r4-r31 */
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stwu %r4, -4(%r1)
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stwu %r5, -4(%r1)
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stwu %r6, -4(%r1)
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stwu %r7, -4(%r1)
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stwu %r8, -4(%r1)
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stwu %r9, -4(%r1)
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stwu %r10, -4(%r1)
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stwu %r11, -4(%r1)
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stwu %r12, -4(%r1)
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stwu %r13, -4(%r1)
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stwu %r14, -4(%r1)
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stwu %r15, -4(%r1)
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stwu %r16, -4(%r1)
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stwu %r17, -4(%r1)
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stwu %r18, -4(%r1)
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stwu %r19, -4(%r1)
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stwu %r20, -4(%r1)
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stwu %r21, -4(%r1)
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stwu %r22, -4(%r1)
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stwu %r23, -4(%r1)
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stwu %r24, -4(%r1)
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stwu %r25, -4(%r1)
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stwu %r26, -4(%r1)
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stwu %r27, -4(%r1)
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stwu %r28, -4(%r1)
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stwu %r29, -4(%r1)
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stwu %r30, -4(%r1)
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stwu %r31, -4(%r1)
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/* save some of the other regs */
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mffs %f0
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stfsu %f0, -4(%r1) /* push FPSCR */
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mfctr %r0
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stwu %r0, -4(%r1) /* push CTR */
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mfxer %r0
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stwu %r0, -4(%r1) /* push XER */
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mfcr %r0
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stwu %r0, -4(%r1) /* push CR */
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lwz %r0, 20(%r2) /* original LR */
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stwu %r0, -4(%r1) /* push LR */
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mfspr %r0, %dsisr
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stwu %r0, -4(%r1) /* push DSISR */
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mfspr %r0, %dar
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stwu %r0, -4(%r1) /* push DAR */
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mfspr %r0, %srr1
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stwu %r0, -4(%r1) /* push SRR1 */
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mfspr %r0, %srr0
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stwu %r0, -4(%r1) /* push SRR0 */
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stwu %r3, -4(%r1) /* exception vector offset */
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blr
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/* called at the tail end of each of the exceptions
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* r1: iframe pointer
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||||
*/
|
||||
__restore_regs_and_rfi:
|
||||
lwzu %r0, 4(%r1) /* SRR0 (skip vector offset) */
|
||||
mtspr %srr0, %r0
|
||||
lwzu %r0, 4(%r1) /* SRR1 */
|
||||
mtspr %srr1, %r0
|
||||
lwzu %r0, 4(%r1) /* DAR */
|
||||
mtspr %dar, %r0
|
||||
lwzu %r0, 4(%r1) /* DSISR */
|
||||
mtspr %dsisr, %r0
|
||||
lwzu %r0, 4(%r1) /* LR */
|
||||
mtlr %r0
|
||||
lwzu %r0, 4(%r1) /* CR */
|
||||
mtcr %r0
|
||||
lwzu %r0, 4(%r1) /* XER */
|
||||
mtxer %r0
|
||||
lwzu %r0, 4(%r1) /* CTR */
|
||||
mtctr %r0
|
||||
lfsu %f0, 4(%r1) /* FPSCR */
|
||||
mtfsf 0xff, %f0
|
||||
|
||||
lwzu %r31, 4(%r1)
|
||||
lwzu %r30, 4(%r1)
|
||||
lwzu %r29, 4(%r1)
|
||||
lwzu %r28, 4(%r1)
|
||||
lwzu %r27, 4(%r1)
|
||||
lwzu %r26, 4(%r1)
|
||||
lwzu %r25, 4(%r1)
|
||||
lwzu %r24, 4(%r1)
|
||||
lwzu %r23, 4(%r1)
|
||||
lwzu %r22, 4(%r1)
|
||||
lwzu %r21, 4(%r1)
|
||||
lwzu %r20, 4(%r1)
|
||||
lwzu %r19, 4(%r1)
|
||||
lwzu %r18, 4(%r1)
|
||||
lwzu %r17, 4(%r1)
|
||||
lwzu %r16, 4(%r1)
|
||||
lwzu %r15, 4(%r1)
|
||||
lwzu %r14, 4(%r1)
|
||||
lwzu %r13, 4(%r1)
|
||||
lwzu %r12, 4(%r1)
|
||||
lwzu %r11, 4(%r1)
|
||||
lwzu %r10, 4(%r1)
|
||||
lwzu %r9, 4(%r1)
|
||||
lwzu %r8, 4(%r1)
|
||||
lwzu %r7, 4(%r1)
|
||||
lwzu %r6, 4(%r1)
|
||||
lwzu %r5, 4(%r1)
|
||||
lwzu %r4, 4(%r1)
|
||||
lwzu %r3, 4(%r1)
|
||||
|
||||
/* Stop here, before we overwrite r1, and continue with the floating point
|
||||
registers first. */
|
||||
addi %r2, %r1, 16 /* skip r3-r0 */
|
||||
|
||||
/* f31-f0 */
|
||||
lfd %f31, 0(%r2)
|
||||
lfdu %f30, 8(%r2)
|
||||
lfdu %f29, 8(%r2)
|
||||
lfdu %f28, 8(%r2)
|
||||
lfdu %f27, 8(%r2)
|
||||
lfdu %f26, 8(%r2)
|
||||
lfdu %f25, 8(%r2)
|
||||
lfdu %f24, 8(%r2)
|
||||
lfdu %f23, 8(%r2)
|
||||
lfdu %f22, 8(%r2)
|
||||
lfdu %f21, 8(%r2)
|
||||
lfdu %f20, 8(%r2)
|
||||
lfdu %f19, 8(%r2)
|
||||
lfdu %f18, 8(%r2)
|
||||
lfdu %f17, 8(%r2)
|
||||
lfdu %f16, 8(%r2)
|
||||
lfdu %f15, 8(%r2)
|
||||
lfdu %f14, 8(%r2)
|
||||
lfdu %f13, 8(%r2)
|
||||
lfdu %f12, 8(%r2)
|
||||
lfdu %f11, 8(%r2)
|
||||
lfdu %f10, 8(%r2)
|
||||
lfdu %f9, 8(%r2)
|
||||
lfdu %f8, 8(%r2)
|
||||
lfdu %f7, 8(%r2)
|
||||
lfdu %f6, 8(%r2)
|
||||
lfdu %f5, 8(%r2)
|
||||
lfdu %f4, 8(%r2)
|
||||
lfdu %f3, 8(%r2)
|
||||
lfdu %f2, 8(%r2)
|
||||
lfdu %f1, 8(%r2)
|
||||
lfd %f0, 8(%r2)
|
||||
|
||||
/* r2-r0 */
|
||||
lwzu %r2, 4(%r1)
|
||||
lwz %r0, 8(%r1)
|
||||
lwz %r1, 4(%r1)
|
||||
|
||||
/* return from interrupt */
|
||||
rfi
|
||||
#endif /* PPC */
|
||||
|
@ -3,6 +3,8 @@
|
||||
** Distributed under the terms of the OpenBeOS License.
|
||||
*/
|
||||
|
||||
#include <asm_defs.h>
|
||||
|
||||
/*
|
||||
* gcc/config/m68k/m68k.h:CALL_USED_REGISTERS:
|
||||
* d0,d1,a0,a1 are scratch regs, not to be saved.
|
||||
@ -16,8 +18,6 @@
|
||||
* have any SMP Amiga anyway it should be ok.
|
||||
*/
|
||||
|
||||
#define FUNCTION(x) .global x; .type x,@function; x
|
||||
|
||||
.text
|
||||
|
||||
/* int atomic_add(int *value, int increment)
|
||||
@ -31,6 +31,7 @@ miss1: move.l %d0,%d1
|
||||
bne miss1
|
||||
// d0 = old value
|
||||
rts
|
||||
FUNCTION_END(atomic_add)
|
||||
|
||||
/* int atomic_and(int *value, int andValue)
|
||||
*/
|
||||
@ -43,6 +44,7 @@ miss2: move.l %d0,%d1
|
||||
bne miss2
|
||||
// d0 = old value
|
||||
rts
|
||||
FUNCTION_END(atomic_and)
|
||||
|
||||
/* int atomic_or(int *value, int orValue)
|
||||
*/
|
||||
@ -54,6 +56,7 @@ miss3: move.l %d0,%d1
|
||||
cas.l %d0,%d1,(%a0)
|
||||
bne miss3
|
||||
rts
|
||||
FUNCTION_END(atomic_or)
|
||||
|
||||
/* int atomic_set(int *value, int setTo)
|
||||
*/
|
||||
@ -64,6 +67,7 @@ FUNCTION(atomic_set):
|
||||
miss4: cas.l %d0,%d1,(%a0)
|
||||
bne miss4
|
||||
rts
|
||||
FUNCTION_END(atomic_set)
|
||||
|
||||
/* int atomic_test_and_set(int *value, int setTo, int testValue)
|
||||
*/
|
||||
@ -73,6 +77,7 @@ FUNCTION(atomic_test_and_set):
|
||||
move.l (12,%a7),%d0
|
||||
cas.l %d0,%d1,(%a0)
|
||||
rts
|
||||
FUNCTION_END(atomic_test_and_set)
|
||||
|
||||
/* int atomic_get(int *value)
|
||||
*/
|
||||
@ -84,6 +89,7 @@ FUNCTION(atomic_get):
|
||||
// we must use cas... so we change to the same value if matching,
|
||||
// else we get the correct one anyway
|
||||
rts
|
||||
FUNCTION_END(atomic_get)
|
||||
|
||||
/* m68k elf convention is to return structs in (a0)
|
||||
* but use d0/d1 for int64 and small structs.
|
||||
@ -110,6 +116,7 @@ miss5: // old value
|
||||
// return value d0:d1
|
||||
movem.l (%a7)+,%d2-%d3/%a2
|
||||
rts
|
||||
FUNCTION_END(atomic_add64)
|
||||
|
||||
/* int64 atomic_and64(vint64 *value, int64 andValue) */
|
||||
FUNCTION(atomic_and64):
|
||||
@ -129,6 +136,7 @@ miss6: // old value
|
||||
// return value d0:d1
|
||||
movem.l (%a7)+,%d2-%d3/%a2
|
||||
rts
|
||||
FUNCTION_END(atomic_and64)
|
||||
|
||||
/* int64 atomic_or64(vint64 *value, int64 orValue) */
|
||||
FUNCTION(atomic_or64):
|
||||
@ -148,6 +156,7 @@ miss7: // old value
|
||||
// return value d0:d1
|
||||
movem.l (%a7)+,%d2-%d3/%a2
|
||||
rts
|
||||
FUNCTION_END(atomic_or64)
|
||||
|
||||
/* int64 atomic_set64(vint64 *value, int64 newValue) */
|
||||
FUNCTION(atomic_set64):
|
||||
@ -165,6 +174,7 @@ miss8: cas2.l %d0:%d1,%d2:%d3,(%a2):(%a1)
|
||||
// return value d0:d1
|
||||
movem.l (%a7)+,%d2-%d3/%a2
|
||||
rts
|
||||
FUNCTION_END(atomic_set64)
|
||||
|
||||
/* int64 atomic_test_and_set64(vint64 *value, int64 newValue, int64 testAgainst) */
|
||||
FUNCTION(atomic_test_and_set64):
|
||||
@ -181,6 +191,7 @@ FUNCTION(atomic_test_and_set64):
|
||||
// return value d0:d1
|
||||
movem.l (%a7)+,%d2-%d3/%a2
|
||||
rts
|
||||
FUNCTION_END(atomic_test_and_set64)
|
||||
|
||||
/* int64 atomic_get64(vint64 *value) */
|
||||
FUNCTION(atomic_get64):
|
||||
@ -197,4 +208,4 @@ FUNCTION(atomic_get64):
|
||||
// return value
|
||||
movem.l (%a7)+,%d2-%d3/%a2
|
||||
rts
|
||||
|
||||
FUNCTION_END(atomic_get64)
|
||||
|
@ -3,7 +3,7 @@
|
||||
** Distributed under the terms of the OpenBeOS License.
|
||||
*/
|
||||
|
||||
#define FUNCTION(x) .global x; .type x,@function; x
|
||||
#include <asm_defs.h>
|
||||
|
||||
.text
|
||||
|
||||
@ -18,7 +18,7 @@ FUNCTION(__swap_int16):
|
||||
lsl.w #8,%d0
|
||||
move.b %d1,%d0
|
||||
rts
|
||||
|
||||
FUNCTION_END(__swap_int16)
|
||||
|
||||
/* uint32 __swap_int32(uint32 value)
|
||||
*/
|
||||
@ -32,7 +32,7 @@ FUNCTION(__swap_int32):
|
||||
lsl.l #8,%d0
|
||||
move.b (4,%a7),%d0
|
||||
rts
|
||||
|
||||
FUNCTION_END(__swap_int32)
|
||||
|
||||
/* uint64 __swap_int64(uint64 value)
|
||||
*/
|
||||
@ -54,7 +54,7 @@ FUNCTION(__swap_int64):
|
||||
lsl.l #8,%d0
|
||||
move.b (8,%a7),%d0
|
||||
rts
|
||||
|
||||
FUNCTION_END(__swap_int64)
|
||||
|
||||
/* TODO: The following functions can surely be optimized. A simple optimization
|
||||
* would be to define macros with the contents of the __swap_int{32,64}
|
||||
@ -66,7 +66,7 @@ FUNCTION(__swap_int64):
|
||||
FUNCTION(__swap_float):
|
||||
jmp __swap_int32
|
||||
//rts
|
||||
|
||||
FUNCTION_END(__swap_float)
|
||||
|
||||
|
||||
/* double __swap_double(double value)
|
||||
@ -74,4 +74,6 @@ FUNCTION(__swap_float):
|
||||
FUNCTION(__swap_double):
|
||||
jmp __swap_int32
|
||||
//rts
|
||||
//XXX:check sizeof(double)
|
||||
#warning M68K: XXX:check sizeof(double)
|
||||
FUNCTION_END(__swap_double)
|
||||
|
||||
|
@ -3,7 +3,7 @@
|
||||
** Distributed under the terms of the OpenBeOS License.
|
||||
*/
|
||||
|
||||
#define FUNCTION(x) .global x; .type x,@function; x
|
||||
#include <asm_defs.h>
|
||||
|
||||
.text
|
||||
|
||||
@ -12,4 +12,4 @@
|
||||
FUNCTION(__m68k_get_time_base):
|
||||
#warning M68K: implement __m68k_get_time_base()
|
||||
rts
|
||||
|
||||
FUNCTION_END(__m68k_get_time_base)
|
||||
|
@ -1,5 +1,7 @@
|
||||
SubDir HAIKU_TOP src system libroot posix arch m68k ;
|
||||
|
||||
UsePrivateSystemHeaders ;
|
||||
|
||||
local genericSources =
|
||||
setjmp_save_sigs.c
|
||||
longjmp_return.c
|
||||
|
@ -3,6 +3,8 @@
|
||||
* reserved. Distributed under the terms of the Haiku License.
|
||||
*/
|
||||
|
||||
#include <asm_defs.h>
|
||||
|
||||
#include "setjmp_internal.h"
|
||||
|
||||
/* int __siglongjmp(jmp_buf buffer, int value) */
|
||||
@ -22,5 +24,8 @@ FUNCTION(_longjmp):
|
||||
move.l (JMP_REGS_PC,%a0),(%a7)
|
||||
|
||||
jmp __longjmp_return
|
||||
FUNCTION_END(siglongjmp)
|
||||
FUNCTION_END(longjmp)
|
||||
FUNCTION_END(_longjmp)
|
||||
|
||||
#pragma weak longjmp=siglongjmp
|
||||
|
@ -3,6 +3,8 @@
|
||||
* reserved. Distributed under the terms of the Haiku License.
|
||||
*/
|
||||
|
||||
#include <asm_defs.h>
|
||||
|
||||
#include "setjmp_internal.h"
|
||||
|
||||
/* int sigsetjmp(jmp_buf buffer, int saveMask) */
|
||||
@ -25,6 +27,8 @@ FUNCTION(sigsetjmp):
|
||||
#warning M68K: check this.
|
||||
|
||||
jmp __setjmp_save_sigs
|
||||
FUNCTION_END(__sigsetjmp)
|
||||
FUNCTION_END(sigsetjmp)
|
||||
|
||||
|
||||
/* int setjmp(jmp_buf buffer) */
|
||||
@ -36,6 +40,6 @@ FUNCTION(setjmp):
|
||||
move.l %a0,-(%a7)
|
||||
// call __sigsetjmp with saveMask = 0
|
||||
jmp __sigsetjmp
|
||||
|
||||
FUNCTION_END(setjmp)
|
||||
|
||||
#pragma weak _setjmp=setjmp
|
||||
|
@ -3,9 +3,10 @@
|
||||
** Distributed under the terms of the NewOS License.
|
||||
*/
|
||||
|
||||
#include <asm_defs.h>
|
||||
|
||||
#warning M68K: optimize memcpy
|
||||
#if 1
|
||||
#define FUNCTION(x) .global x; .type x,@function; x
|
||||
|
||||
/* that should be enough for now */
|
||||
|
||||
@ -24,4 +25,5 @@ _memcpy_out:
|
||||
move.l (4,%a7),%a0
|
||||
move.l %a0,%d0
|
||||
rts
|
||||
FUNCTION_END(memcpy)
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user