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Whitespace removal.

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This commit is contained in:
Ralf Corsepius
2009-11-30 05:09:41 +00:00
parent ac7af4a359
commit 359e537416
199 changed files with 1685 additions and 1685 deletions
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46
c/src/lib/libcpu/sparc/reg_win/window.S
View File

@@ -1,19 +1,19 @@
/*
* window.s
*
* This file contains the register window management routines for the
* This file contains the register window management routines for the
* SPARC architecture. Trap handlers for the following capabilities
* are included in this file:
*
* + Window Overflow
* + Window Underflow
* + Flushing All Windows
*
*
* COPYRIGHT:
*
* This file includes the window overflow and underflow handlers from
* the file srt0.s provided with the binary distribution of the SPARC
* Instruction Simulator (SIS) found at
* This file includes the window overflow and underflow handlers from
* the file srt0.s provided with the binary distribution of the SPARC
* Instruction Simulator (SIS) found at
* ftp://ftp.estec.esa.nl/pub/ws/wsd/erc32.
*
* COPYRIGHT (c) 1995. European Space Agency.
@@ -41,7 +41,7 @@
SYM(window_overflow_trap_handler):
/*
* Calculate new WIM by "rotating" the valid bits in the WIM right
* Calculate new WIM by "rotating" the valid bits in the WIM right
* by one position. The following shows how the bits move for a SPARC
* cpu implementation where SPARC_NUMBER_OF_REGISTER_WINDOWS is 8.
*
@@ -49,7 +49,7 @@ SYM(window_overflow_trap_handler):
* NEW WIM = 07654321
*
* NOTE: New WIM must be stored in a global register since the
* "save" instruction just prior to the load of the wim
* "save" instruction just prior to the load of the wim
* register will result in the local register set changing.
*/
@@ -58,7 +58,7 @@ SYM(window_overflow_trap_handler):
srl %l3, 1, %g1 ! g1 = WIM >> 1
sll %l3, SPARC_NUMBER_OF_REGISTER_WINDOWS-1 , %l4
! l4 = WIM << (Number Windows - 1)
or %l4, %g1, %g1 ! g1 = (WIM >> 1) |
or %l4, %g1, %g1 ! g1 = (WIM >> 1) |
! (WIM << (Number Windows - 1))
save ! Get into window to be saved.
@@ -92,7 +92,7 @@ SYM(window_overflow_trap_handler):
SYM(window_underflow_trap_handler):
/*
* Calculate new WIM by "rotating" the valid bits in the WIM left
* Calculate new WIM by "rotating" the valid bits in the WIM left
* by one position. The following shows how the bits move for a SPARC
* cpu implementation where SPARC_NUMBER_OF_REGISTER_WINDOWS is 8.
*
@@ -100,7 +100,7 @@ SYM(window_underflow_trap_handler):
* NEW WIM = 07654321
*
* NOTE: New WIM must be stored in a global register since the
* "save" instruction just prior to the load of the wim
* "save" instruction just prior to the load of the wim
* register will result in the local register set changing.
*/
@@ -170,9 +170,9 @@ SYM(window_underflow_trap_handler):
* l1 = pc
* l2 = npc
*/
PUBLIC(window_flush_trap_handler)
SYM(window_flush_trap_handler):
/*
* Save the global registers we will be using
@@ -195,47 +195,47 @@ SYM(window_flush_trap_handler):
sll %g4, %g5, %g4 ! g4 = WIM mask for CWP+1 invalid
restore ! go back one register window
save_frame_loop:
sll %g4, 1, %g5 ! rotate the "wim" left 1
srl %g4, SPARC_NUMBER_OF_REGISTER_WINDOWS - 1, %g4
or %g4, %g5, %g4 ! g4 = wim if we do one restore
/*
* If a restore would not underflow, then continue.
*/
andcc %g4, %g2, %g0 ! Any windows to flush?
bnz done_flushing ! No, then continue
nop
restore ! back one window
/*
* Now save the window just as if we overflowed to it.
*/
std %l0, [%sp + CPU_STACK_FRAME_L0_OFFSET]
std %l2, [%sp + CPU_STACK_FRAME_L2_OFFSET]
std %l4, [%sp + CPU_STACK_FRAME_L4_OFFSET]
std %l6, [%sp + CPU_STACK_FRAME_L6_OFFSET]
std %i0, [%sp + CPU_STACK_FRAME_I0_OFFSET]
std %i2, [%sp + CPU_STACK_FRAME_I2_OFFSET]
std %i4, [%sp + CPU_STACK_FRAME_I4_OFFSET]
std %i6, [%sp + CPU_STACK_FRAME_I6_FP_OFFSET]
ba save_frame_loop
nop
done_flushing:
add %g3, 2, %g3 ! calculate desired WIM
and %g3, SPARC_NUMBER_OF_REGISTER_WINDOWS - 1, %g3
mov 1, %g4
sll %g4, %g3, %g4 ! g4 = new WIM
mov %g4, %wim
mov %g1, %psr ! restore PSR
nop
nop

8
c/src/lib/libcpu/sparc/syscall/syscall.S
View File

@@ -7,7 +7,7 @@
* + SYS_exit (halt)
* + SYS_irqdis (disable interrupts)
* + SYS_irqset (set interrupt level)
*
*
* COPYRIGHT:
*
* COPYRIGHT (c) 1995. European Space Agency.
@@ -50,10 +50,10 @@ SYM(syscall):
mov %l4, %psr
ba,a 9f
1:
ta 0 ! halt
1:
ta 0 ! halt
9: ! leave
mov 0, %g1 ! clear %g1
mov 0, %g1 ! clear %g1
jmpl %l2, %g0
rett %l2 + 4