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;  TEXAS INSTRUMENTS TEXT FILE LICENSE
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;BS RAM - RTU Uses
;   -- ping pong buffer
;   -- register page
;file: bsram_rtu.h

Q_XID	.set	 (30)   ;for rtu BS

;---------------------------------------------------------
;register paging
;--------------------------------------------------------

;these preserve r10 in r0
PAGE_SAVE	.macro	pn
	mov	r0, r10
	ldi	r10, pn
	xout	Q_XID, &r2, 36
	mov	r10, r0
 .endm

PAGE_RESTORE	.macro	pn, n
	mov	r0, r10
	ldi	r10, pn
	xout	Q_XID, &r10.w0, 2
	xin	Q_XID, &r2, n
	mov	r10, r0
 .endm

;these don't preserve r10
PAGE_SAVE2	.macro	pn
	ldi	r10, pn
	xout	Q_XID, &r2, 36
 .endm

;this assumes r10 already set
PAGE_SAVEQ	.macro
	xout	Q_XID, &r2, 36
 .endm

;these don't preserve r10
PAGE_RESTORE2	.macro	pn, n
	ldi	r10, pn
	xout	Q_XID, &r10.w0, 2
	xin	Q_XID, &r2, n
 .endm

;these preserve r10 in r0
PAGE_SAVE_REG	.macro	pn
	mov	r0, r10
	mov	r10, pn
	xout	Q_XID, &r2, 36
	mov	r10, r0
 .endm

PAGE_RESTORE_REG	.macro	pn, n
	mov	r0, r10
	mov	r10, pn
	xout	Q_XID, &r10.w0, 2
	xin	Q_XID, &r2, n
	mov	r10, r0
 .endm

;these don't preserve r10
PAGE_SAVE2_REG	.macro	pn
	mov	r10, pn
	xout	Q_XID, &r2, 36
 .endm

;these don't preserve r10
PAGE_RESTORE2_REG	.macro	pn, n
	mov	r10, pn
	xout	Q_XID, &r10.w0, 2
	xin	Q_XID, &r2, n
 .endm

;'slots' used for PAGEING
RTU_PAGE0	.set	0x50
RTU_PAGE1	.set	0x51
RTU_PAGE2	.set	0x52

;slot used for gstate
RTU_GSTATE	.set	0x53

;slots used for task stack
RX_TASK_SLOT	.set	0x54
RX_TASK_SLOT1	.set	0x55
TX_TASK_SLOT	.set	0x56
TX_TASK_SLOT1	.set	0x57

;slots used for scheduler
SCHED_MAIN	.set	0x58
SCHED_SHADOW	.set	0x59
;#define  SCHED_EPKT   (see below)

;slots use for psi read
BS_SLOT_PSI0	.set	0x5a
BS_SLOT_PSI1	.set	0x5b
BS_SLOT_PSI2	.set	0x5c
BS_SLOT_PSI3	.set	0x5d
;slots used for psi stash
PSI_CNTX0_SLOT	.set	0x60
PSI_CNTX1_SLOT	.set	0x61
PSI_CNTX2_SLOT	.set	0x62
PSI_CNTX3_SLOT	.set	0x63
;used for portq managment
BSRAM_PQ_LOCK_SLOT	.set	0x64

;PSI PSI INFO, CONTROL, STATUS TEMPLATES
PSI_INFO_SLOT	.set	0x65
PSI_STATUS_SLOT	.set	0x66

;slots for psi control info
PSI_CONTROL_S0	.set	0x67
PSI_CONTROL_S1	.set	0x68
PSI_CONTROL_S2	.set	0x69
PSI_CONTROL_S3	.set	0x6a

SCHED_MAIN_EXP	.set	0x6b
RX_STASH_SLOT	.set	0x6c
SCHED_MAIN2	.set	0x6d

PSI_MGR_INFO_SLOT	.set	0x6e
PSI_TXTS_INFO_SLOT	.set	0x6f