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2010-06-16 Joel Sherrill <joel.sherrilL@OARcorp.com>

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* cpu_asm.S: Use SYM macro to be consistent with other ports.
This commit is contained in:
Joel Sherrill
2010-06-16 17:19:31 +00:00
parent 4b06da6f0a
commit d5ec048032
2 changed files with 106 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cpukit/score/cpu/bfin/ChangeLog
+4
View File
@@ -1,3 +1,7 @@
2010-06-16 Joel Sherrill <joel.sherrilL@OARcorp.com>
* cpu_asm.S: Use SYM macro to be consistent with other ports.
2010-04-20 Allan Hessenflow <allanh@kallisti.com>
* cpu_asm.S: L0-L3 were part of the interrupt context, but as
cpukit/score/cpu/bfin/cpu_asm.S
+102 -103
View File
@@ -35,8 +35,8 @@
#if 0
/* some debug routines */
.globl __CPU_write_char;
__CPU_write_char:
.globl SYM(_CPU_write_char);
SYM(_CPU_write_char):
p0.h = 0xffc0;
p0.l = 0x0400;
txWaitLoop:
@@ -46,112 +46,112 @@ txWaitLoop:
w[p0 + 0x00] = r0;
rts;
.globl __CPU_write_crlf;
__CPU_write_crlf:
.globl SYM(_CPU_write_crlf);
SYM(_CPU_write_crlf):
r0 = '\r';
[--sp] = rets;
call __CPU_write_char;
call SYM(_CPU_write_char);
rets = [sp++];
r0 = '\n';
jump __CPU_write_char;
jump SYM(_CPU_write_char);
__CPU_write_space:
SYM(_CPU_write_space):
r0 = ' ';
jump __CPU_write_char;
jump SYM(_CPU_write_char);
.globl __CPU_write_nybble;
__CPU_write_nybble:
.globl SYM(_CPU_write_nybble);
SYM(_CPU_write_nybble:)
r1 = 0x0f;
r0 = r0 & r1;
r0 += '0';
r1 = '9';
cc = r0 <= r1;
if cc jump __CPU_write_char;
if cc jump SYM(_CPU_write_char);
r0 += 'a' - '0' - 10;
jump __CPU_write_char;
jump SYM(_CPU_write_char);
.globl __CPU_write_byte;
__CPU_write_byte:
.globl SYM(_CPU_write_byte);
SYM(_CPU_write_byte):
[--sp] = r0;
[--sp] = rets;
r0 >>= 4;
call __CPU_write_nybble;
call SYM(_CPU_write_nybble);
rets = [sp++];
r0 = [sp++];
jump __CPU_write_nybble;
jump SYM(_CPU_write_nybble);
__CPU_write_chawmp:
SYM(_CPU_write_chawmp):
[--sp] = r0;
[--sp] = rets;
r0 >>= 8;
call __CPU_write_byte;
call SYM(_CPU_write_byte);
rets = [sp++];
r0 = [sp++];
jump __CPU_write_byte;
jump SYM(_CPU_write_byte);
__CPU_write_gawble:
SYM(_CPU_write_gawble):
[--sp] = r0;
[--sp] = rets;
r0 >>= 16;
call __CPU_write_chawmp;
call SYM(_CPU_write_chawmp);
rets = [sp++];
r0 = [sp++];
jump __CPU_write_chawmp;
jump SYM(_CPU_write_chawmp);
__CPU_dump_registers:
SYM(_CPU_dump_registers):
[--sp] = rets;
[--sp] = r0;
[--sp] = r1;
[--sp] = p0;
r0 = [sp + 8];
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = [sp + 4];
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = r2;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = r3;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = r4;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = r5;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = r6;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = r7;
call __CPU_write_gawble;
call __CPU_write_crlf;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_crlf);
r0 = [sp];
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = p1;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = p2;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = p3;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = p4;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = p5;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = fp;
call __CPU_write_gawble;
call __CPU_write_space;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_space);
r0 = sp;
r0 += 16;
call __CPU_write_gawble;
call __CPU_write_crlf;
call SYM(_CPU_write_gawble);
call SYM(_CPU_write_crlf);
p0 = [sp++];
r1 = [sp++];
@@ -159,65 +159,65 @@ __CPU_dump_registers:
rets = [sp++];
rts;
.globl __CPU_Exception_handler;
__CPU_Exception_handler:
.globl SYM(_CPU_Exception_handler);
SYM(_CPU_Exception_handler):
usp = sp;
sp.h = 0xffb0;
sp.l = 0x1000;
[--sp] = (r7:0,p5:0);
r0 = 'x';
call __CPU_write_char;
call SYM(_CPU_write_char);
jump hcf;
.globl __CPU_Emulation_handler;
__CPU_Emulation_handler:
.globl SYM(_CPU_Emulation_handler);
SYM(_CPU_Emulation_handler):
usp = sp;
sp.h = 0xffb0;
sp.l = 0x1000;
[--sp] = (r7:0,p5:0);
r0 = 'e';
call __CPU_write_char;
call SYM(_CPU_write_char);
jump hcf;
.globl __CPU_Reset_handler;
__CPU_Reset_handler:
.globl SYM(_CPU_Reset_handler);
SYM(_CPU_Reset_handler):
usp = sp;
sp.h = 0xffb0;
sp.l = 0x1000;
[--sp] = (r7:0,p5:0);
r0 = 'r';
call __CPU_write_char;
call SYM(_CPU_write_char);
jump hcf;
.globl __CPU_NMI_handler;
__CPU_NMI_handler:
.globl SYM(_CPU_NMI_handler);
SYM(_CPU_NMI_handler):
usp = sp;
sp.h = 0xffb0;
sp.l = 0x1000;
[--sp] = (r7:0,p5:0);
r0 = 'n';
call __CPU_write_char;
call SYM(_CPU_write_char);
jump hcf;
.globl __CPU_Unhandled_Interrupt_handler;
__CPU_Unhandled_Interrupt_handler:
.globl SYM(_CPU_Unhandled_Interrupt_handler);
SYM(_CPU_Unhandled_Interrupt_handler):
usp = sp;
sp.h = 0xffb0;
sp.l = 0x1000;
[--sp] = (r7:0,p5:0);
call __CPU_write_crlf;
call SYM(_CPU_write_crlf);
r0 = 'i';
call __CPU_write_char;
call SYM(_CPU_write_char);
p0.h = HI(IPEND);
p0.l = LO(IPEND);
r0 = [p0];
call __CPU_write_chawmp;
call SYM(_CPU_write_chawmp);
jump hcf;
hcf:
@@ -239,8 +239,8 @@ hcf:
/* make sure this sequence stays in sync with the definition for
Context_Control in rtems/score/cpu.h */
.globl __CPU_Context_switch
__CPU_Context_switch:
.globl SYM(_CPU_Context_switch)
SYM(_CPU_Context_switch):
/* Start saving context R0 = current, R1=heir */
p0 = r0;
[p0++] = r4;
@@ -306,19 +306,19 @@ restore:
* none
*
*/
.globl __CPU_Context_restore
__CPU_Context_restore:
.globl SYM(_CPU_Context_restore)
SYM(_CPU_Context_restore):
p0 = r0;
jump restore;
.globl __ISR_Handler
.extern __CPU_Interrupt_stack_high;
.extern __ISR_Nest_level
.extern __Thread_Dispatch_disable_level
.extern __Context_Switch_necessary
.extern __ISR_Signals_to_thread_executing
__ISR_Handler:
.globl SYM(_ISR_Handler)
.extern SYM(_CPU_Interrupt_stack_high)
.extern SYM(_ISR_Nest_level)
.extern SYM(_Thread_Dispatch_disable_level)
.extern SYM(_Context_Switch_necessary)
.extern SYM(_ISR_Signals_to_thread_executing)
SYM(_ISR_Handler):
/* all interrupts are disabled at this point */
/* the following few items are pushed onto the task stack for at
most one interrupt; nested interrupts will be using the interrupt
@@ -328,8 +328,8 @@ __ISR_Handler:
[--sp] = p0;
[--sp] = r1;
[--sp] = r0;
p0.h = __ISR_Nest_level;
p0.l = __ISR_Nest_level;
p0.h = SYM(_ISR_Nest_level);
p0.l = SYM(_ISR_Nest_level);
r0 = [p0];
r0 += 1;
[p0] = r0;
@@ -337,14 +337,14 @@ __ISR_Handler:
if !cc jump noStackSwitch;
/* setup interrupt stack */
r0 = sp;
p0.h = __CPU_Interrupt_stack_high;
p0.l = __CPU_Interrupt_stack_high;
p0.h = SYM(_CPU_Interrupt_stack_high);
p0.l = SYM(_CPU_Interrupt_stack_high);
sp = [p0];
[--sp] = r0;
noStackSwitch:
/* disable thread dispatch */
p0.h = __Thread_Dispatch_disable_level;
p0.l = __Thread_Dispatch_disable_level;
p0.h = SYM(_Thread_Dispatch_disable_level);
p0.l = SYM(_Thread_Dispatch_disable_level);
r0 = [p0];
r0 += 1;
[p0] = r0;
@@ -365,8 +365,8 @@ vectorIDLoop:
if !cc jump vectorIDLoop;
[--sp] = r2;
p0.h = __ISR_Vector_table;
p0.l = __ISR_Vector_table;
p0.h = SYM(_ISR_Vector_table);
p0.l = SYM(_ISR_Vector_table);
r2 = [p0];
r1 = r0 << 2;
r1 = r1 + r2;
@@ -452,8 +452,8 @@ noHandler:
/* this disables interrupts again */
reti = [sp++];
p0.h = __ISR_Nest_level;
p0.l = __ISR_Nest_level;
p0.h = SYM(_ISR_Nest_level);
p0.l = SYM(_ISR_Nest_level);
r0 = [p0];
r0 += -1;
[p0] = r0;
@@ -464,8 +464,8 @@ noStackRestore:
/* check this stuff to ensure context_switch_necessary and
isr_signals_to_thread_executing are being handled appropriately. */
p0.h = __Thread_Dispatch_disable_level;
p0.l = __Thread_Dispatch_disable_level;
p0.h = SYM(_Thread_Dispatch_disable_level);
p0.l = SYM(_Thread_Dispatch_disable_level);
r0 = [p0];
r0 += -1;
[p0] = r0;
@@ -473,12 +473,12 @@ noStackRestore:
if !cc jump noDispatch
/* do thread dispatch if necessary */
p0.h = __Context_Switch_necessary;
p0.l = __Context_Switch_necessary;
p0.h = SYM(_Context_Switch_necessary);
p0.l = SYM(_Context_Switch_necessary);
r0 = B[p0] (Z);
cc = r0 == 0;
p0.h = __ISR_Signals_to_thread_executing;
p0.l = __ISR_Signals_to_thread_executing;
p0.h = SYM(_ISR_Signals_to_thread_executing);
p0.l = SYM(_ISR_Signals_to_thread_executing);
if !cc jump doDispatch
r0 = B[p0] (Z);
cc = r0 == 0;
@@ -502,9 +502,8 @@ noDispatch:
safely call _Thread_Dispatch, and do an "rti" to get back to the
original interrupted function. this does require self-nesting to be
enabled; the maximum nest depth is the number of tasks. */
.global __ISR15_Handler
.extern __Thread_Dispatch
__ISR15_Handler:
.global SYM(_ISR15_Handler)
SYM(_ISR15_Handler):
[--sp] = reti;
[--sp] = rets;
[--sp] = astat;
@@ -548,7 +547,7 @@ __ISR15_Handler:
l2 = r2;
l3 = r2;
sp += -12; /* bizarre abi... */
call __Thread_Dispatch;
call SYM(_Thread_Dispatch);
sp += 12;
b0 = [sp++];
b1 = [sp++];