Subversion Repositories HelenOS

Rev

Rev 1790 | Rev 1860 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1790 Rev 1856
Line 104... Line 104...
104 
	mov	%g0, %o0		! return 0 on failure
 104 
	mov	%g0, %o0		! return 0 on failure
105 
 
 105 
 
106 
memsetb:
 106 
memsetb:
107 
	b _memsetb
 107 
	b _memsetb
108 
	nop
 108 
	nop
- 
 
 109 
 
- 
 
 110 
 
- 
 
 111 
.macro WRITE_ALTERNATE_REGISTER reg, bit
- 
 
 112 
	save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
- 
 
 113 
	rdpr %pstate, %l0
- 
 
 114 
	wrpr %l0, \bit, %pstate
- 
 
 115 
	mov %i0, \reg
- 
 
 116 
	wrpr %l0, 0, %pstate
- 
 
 117 
	ret
- 
 
 118 
	restore
- 
 
 119 
.endm
- 
 
 120 
 
- 
 
 121 
.macro READ_ALTERNATE_REGISTER reg, bit
- 
 
 122 
	save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
- 
 
 123 
	rdpr %pstate, %l0
- 
 
 124 
	wrpr %l0, \bit, %pstate
- 
 
 125 
	mov \reg, %i0
- 
 
 126 
	wrpr %l0, 0, %pstate
- 
 
 127 
	ret
- 
 
 128 
	restore
- 
 
 129 
.endm
- 
 
 130 
 
- 
 
 131 
.global write_to_ag_g6
- 
 
 132 
write_to_ag_g6:
- 
 
 133 
	WRITE_ALTERNATE_REGISTER %g6, PSTATE_AG_BIT
- 
 
 134 
 
- 
 
 135 
.global write_to_ag_g7
- 
 
 136 
write_to_ag_g7:
- 
 
 137 
	WRITE_ALTERNATE_REGISTER %g7, PSTATE_AG_BIT
- 
 
 138 
 
- 
 
 139 
.global write_to_ig_g6
- 
 
 140 
write_to_ig_g6:
- 
 
 141 
	WRITE_ALTERNATE_REGISTER %g6, PSTATE_IG_BIT
- 
 
 142 
 
- 
 
 143 
.global read_from_ag_g7
- 
 
 144 
read_from_ag_g7:
- 
 
 145 
	READ_ALTERNATE_REGISTER %g7, PSTATE_AG_BIT