WebSVN – HelenOS – Diff – /branches/sparc/kernel/arch/sparc64/include/trap/sun4v/regwin.h



 * Parameters:
 *  \tmpreg1    global register to be used for scratching purposes
 *  \tmpreg2    global register to be used for scratching purposes
 */
.macro SAVE_TO_USPACE_WBUF tmpreg1, tmpreg2
    set SCRATCHPAD_WBUF, \tmpreg2
    ldxa [\tmpreg2] ASI_SCRATCHPAD, \tmpreg1
    stx %l0, [\tmpreg1 + L0_OFFSET]
    stx %l1, [\tmpreg1 + L1_OFFSET]
    stx %l2, [\tmpreg1 + L2_OFFSET]
    stx %l3, [\tmpreg1 + L3_OFFSET]
    stx %l4, [\tmpreg1 + L4_OFFSET]

    stx %i4, [\tmpreg1 + I4_OFFSET]
    stx %i5, [\tmpreg1 + I5_OFFSET]
    stx %i6, [\tmpreg1 + I6_OFFSET]
    stx %i7, [\tmpreg1 + I7_OFFSET]
    add \tmpreg1, STACK_WINDOW_SAVE_AREA_SIZE, \tmpreg1
    stxa \tmpreg1, [\tmpreg2] ASI_SCRATCHPAD
.endm
 
/*
 * Macro used to spill userspace window to userspace window buffer.
 * It is triggered from normal kernel code doing SAVE when

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/arch/sparc64/include/trap/sun4v/regwin.h – Rev 3993 → 4369

Rev 3993		Rev 4369
Line 43...		Line 43...
43	* Parameters:	43	* Parameters:
44	* \tmpreg1 global register to be used for scratching purposes	44	* \tmpreg1 global register to be used for scratching purposes
45	* \tmpreg2 global register to be used for scratching purposes	45	* \tmpreg2 global register to be used for scratching purposes
46	*/	46	*/
47	.macro SAVE_TO_USPACE_WBUF tmpreg1, tmpreg2	47	.macro SAVE_TO_USPACE_WBUF tmpreg1, tmpreg2
48	get_kstack_wbuf_ptr \tmpreg1, \tmpreg2	48	set SCRATCHPAD_WBUF, \tmpreg2
49	ldx [\tmpreg2 + 8], \tmpreg1	49	ldxa [\tmpreg2] ASI_SCRATCHPAD, \tmpreg1
50	stx %l0, [\tmpreg1 + L0_OFFSET]	50	stx %l0, [\tmpreg1 + L0_OFFSET]
51	stx %l1, [\tmpreg1 + L1_OFFSET]	51	stx %l1, [\tmpreg1 + L1_OFFSET]
52	stx %l2, [\tmpreg1 + L2_OFFSET]	52	stx %l2, [\tmpreg1 + L2_OFFSET]
53	stx %l3, [\tmpreg1 + L3_OFFSET]	53	stx %l3, [\tmpreg1 + L3_OFFSET]
54	stx %l4, [\tmpreg1 + L4_OFFSET]	54	stx %l4, [\tmpreg1 + L4_OFFSET]
Line 62...		Line 62...
62	stx %i4, [\tmpreg1 + I4_OFFSET]	62	stx %i4, [\tmpreg1 + I4_OFFSET]
63	stx %i5, [\tmpreg1 + I5_OFFSET]	63	stx %i5, [\tmpreg1 + I5_OFFSET]
64	stx %i6, [\tmpreg1 + I6_OFFSET]	64	stx %i6, [\tmpreg1 + I6_OFFSET]
65	stx %i7, [\tmpreg1 + I7_OFFSET]	65	stx %i7, [\tmpreg1 + I7_OFFSET]
66	add \tmpreg1, STACK_WINDOW_SAVE_AREA_SIZE, \tmpreg1	66	add \tmpreg1, STACK_WINDOW_SAVE_AREA_SIZE, \tmpreg1
67	stx \tmpreg1, [\tmpreg2 + 8]	67	stxa \tmpreg1, [\tmpreg2] ASI_SCRATCHPAD
68	.endm	68	.endm
69		69
70	/*	70	/*
71	* Macro used to spill userspace window to userspace window buffer.	71	* Macro used to spill userspace window to userspace window buffer.
72	* It is triggered from normal kernel code doing SAVE when	72	* It is triggered from normal kernel code doing SAVE when