define jtag
	target remote localhost:2000
end
define kgdboc
	set remotebaud 57600
	if $argc == 0
		target remote /dev/ttyS0
	else
		target remote /dev/tty$arg0
	end
end
define kgdbocusb
	kgdboc USB0
end
define kgdboe
	target remote udp:bfin:6443
end
define vapier
	target remote vapier:2000
end
define bfin
	target remote bfin:1234
end


#
# Misc Blackfin helper functions
#

define regs
	printf "R0: %08x %-11i  P0: %08x  RETS: %08x  LC0: %08x %u\n",  $r0, $r0, $p0, $rets, $lc0, $lc0
	printf "R1: %08x %-11i  P1: %08x  RETI: %08x  LT0: %08x\n",     $r1, $r1, $p1, $reti, $lt0
	printf "R2: %08x %-11i  P2: %08x  RETX: %08x  LB0: %08x\n",     $r2, $r2, $p2, $retx, $lb0
	printf "R3: %08x %-11i  P3: %08x  RETE: %08x  LC1: %08x %u\n",  $r3, $r3, $p3, $rete, $lc1, $lc1
	printf "R4: %08x %-11i  P4: %08x  RETN: %08x  LT1: %08x\n",     $r4, $r4, $p4, $retn, $lt1
	printf "R5: %08x %-11i  P5: %08x ASTAT: %08x  LB1: %08x\n",     $r5, $r5, $p5, $astat, $lb1
	printf "R6: %08x %-11i  SP: %08x    CC: %08x\n",                $r6, $r6, $sp, $cc
	printf "R7: %08x %-11i USP: %08x  CYC1: %08x  SEQSTAT: %08x\n", $r7, $r7, $usp, $cycles, $seqstat
	printf "PC: %08x              FP: %08x  CYC2: %08x   SYSCFG: %08x\n", $pc, $fp, $cycles2, $syscfg
end
document regs
Usage: regs
Display the common core registers in a compact format.
end

define all_regs
	regs
	printf " B0 : %08x   L0 : %08x   M0 : %08x   I0 : %08x\n", $b0, $l0, $m0, $i0
	printf " B1 : %08x   L1 : %08x   M1 : %08x   I1 : %08x\n", $b1, $l1, $m1, $i1
	printf " B2 : %08x   L2 : %08x   M2 : %08x   I2 : %08x\n", $b2, $l2, $m2, $i2
	printf " B3 : %08x   L3 : %08x   M3 : %08x   I3 : %08x\n", $b3, $l3, $m3, $i3
	printf "A0.w: %08x  A0.x: %08x  A1.w: %08x  A1.x: %08x\n", $a0w, $a0x, $a1w, $a1x
end
document all_regs
Usage: all_regs
Display all core registers in a compact format.
end

define astat
	printf "ASTAT: %#x ( ", $astat
	if $astat & (1 << 25)
		printf "VS "
	end
	if $astat & (1 << 24)
		printf "V "
	end
	if $astat & (1 << 19)
		printf "AV1S "
	end
	if $astat & (1 << 18)
		printf "AV1 "
	end
	if $astat & (1 << 17)
		printf "AV0S "
	end
	if $astat & (1 << 16)
		printf "AV0 "
	end
	if $astat & (1 << 13)
		printf "AC1 "
	end
	if $astat & (1 << 12)
		printf "AC0 "
	end
	if $astat & (1 << 8)
		printf "RND_MOD "
	end
	if $astat & (1 << 6)
		printf "AQ "
	end
	if $astat & (1 << 5)
		printf "CC "
	end
	if $astat & (1 << 3)
		printf "V_COPY "
	end
	if $astat & (1 << 2)
		printf "AC0_COPY "
	end
	if $astat & (1 << 1)
		printf "AN "
	end
	if $astat & (1 << 0)
		printf "AZ "
	end
	printf ")\n"
	set $$inv = $astat & 0xfcf0ce90
	if $$inv
		printf "Invalid bits: %#x\n", $$inv
	end
end

define seqstat
	if $argc == 1
		set $$seqstat = $arg0
	else
		set $$seqstat = $seqstat
	end
	set $$excause    = ($$seqstat & 0x3f)
	set $$sftreset   = ($$seqstat & (0x1 << 13)) >> 13
	set $$hwerrcause = ($$seqstat & (0x1f << 14)) >> 14
	printf "SEQSTAT: %08x\n", $$seqstat
	printf " EXCAUSE:    0x%x\t", $$excause
	if $$excause >= 0x0 && $$excause <= 0xf
		printf "(custom exception)"
	end
	if $$excause == 0x10
		printf "(single step)"
	end
	if $$excause == 0x11
		printf "(trace buffer full)"
	end
	if $$excause == 0x21
		printf "(undef inst)"
	end
	if $$excause == 0x22
		printf "(illegal inst)"
	end
	if $$excause == 0x23
		printf "(dcplb prot violation)"
	end
	if $$excause == 0x24
		printf "(misaligned data)"
	end
	if $$excause == 0x25
		printf "(unrecoverable event)"
	end
	if $$excause == 0x26
		printf "(dcplb miss)"
	end
	if $$excause == 0x27
		printf "(multiple dcplb hit)"
	end
	if $$excause == 0x28
		printf "(emulation watchpoint)"
	end
	if $$excause == 0x2a
		printf "(misaligned inst)"
	end
	if $$excause == 0x2b
		printf "(icplb prot violation)"
	end
	if $$excause == 0x2c
		printf "(icplb miss)"
	end
	if $$excause == 0x2d
		printf "(multiple icplb hit)"
	end
	if $$excause == 0x2e
		printf "(illegal use of supervisor resource)"
	end
	printf "\n"
	printf " SFTRESET:   0x%x\t(last reset was ", $$sftreset
	if $$sftreset == 0
		printf "not "
	end
	printf "a software reset)\n"
	printf " HWERRCAUSE: 0x%x\t", $$hwerrcause
	if $$hwerrcause == 0x2
		printf "(system mmr error)"
	end
	if $$hwerrcause == 0x3
		printf "(external memory addressing error)"
	end
	if $$hwerrcause == 0x12
		printf "(performance monitor overflow)"
	end
	if $$hwerrcause == 0x18
		printf "(raise 5 instruction)"
	end
	printf "\n"
end
document seqstat
Usage: seqstat [value=$seqstat]
Parse the bits of the seqstat [value] into the human readable definitions.
end

define reset
	if $argc == 0
		set $$l1 = 0xffa00000
	else
		set $$l1 = $arg0
	end
	set $$pc = $$l1

	# SSYNC
	set *(unsigned short *)($$l1) = 0x0024
	set $$l1 += 2

	#  P2.H = 0xffc0
	set *(unsigned long  *)($$l1) = 0xffc0e14a
	set $$l1 += 4

	# P2.L = 0x100
	set *(unsigned long  *)($$l1) = 0x0100e10a
	set $$l1 += 4

	# R0 = 0x7 (X)
	set *(unsigned short *)($$l1) = 0x6038
	set $$l1 += 2

	# [P2] = R0
	set *(unsigned short *)($$l1) = 0x9310
	set $$l1 += 2

	# SSYNC
	set *(unsigned short *)($$l1) = 0x0024
	set $$l1 += 2

	# R0 = 0x0 (X)
	set *(unsigned short *)($$l1) = 0x6000
	set $$l1 += 2

	# [P2] = R0
	set *(unsigned short *)($$l1) = 0x9310
	set $$l1 += 2

	# SSYNC
	set *(unsigned short *)($$l1) = 0x0024
	set $$l1 += 2

	# RAISE 0x1
	set *(unsigned short *)($$l1) = 0x0091
	set $$l1 += 2

	# JUMP.S -0x18
	if ($$l1 - $$pc) != 0x18
		echo ERROR: jump.s has wrong offset
	else
		set $pc == $$pc
	end
	set *(unsigned short *)($$l1) = 0x2ff4
	set $$l1 += 2

	printf "Continuing.\n"
	continue
end
document reset
Usage: reset [L1 Instruction address=0xffa00000]
Cram the software reset code into [L1 Instruction address] and execute it.
This will perform both a system reset and a core reset.
end

define hwtrace_on
	set $$TBUFCTL  = (unsigned long *)0xFFE06000
	set *$$TBUFCTL = 0x3
end
define hwtrace_off
	set $$TBUFCTL  = (unsigned long *)0xFFE06000
	set *$$TBUFCTL = 0x1
end
define hwtrace
	set $$TBUFSTAT = (unsigned long *)0xFFE06004
	set $$TBUF = (unsigned long *)0xFFE06100
	set $$i = 0
	if (!(*$$TBUFSTAT & 0x1F))
		printf "Hardware trace buffer is empty\n"
	end
	while (*$$TBUFSTAT & 0x1F)
		printf "%2i Target: ", $$i
		output/a *$$TBUF
		printf "\n"
		printf "   Source: "
		output/a *$$TBUF
		printf "\n"
		set $$i++
	end
end
document hwtrace
Usage: hwtrace
Dump the hardware trace buffer.  Remember, this is a destructive operation,
so it can only be dumped once.
end

define show_clocks
	printf "PLL_LOCKCNT: 0x%04x\n", *(unsigned short *)0xFFC00010
	printf "VR_CTL:      0x%04x\n", *(unsigned short *)0xFFC00008
	printf "PLL_DIV:     0x%04x\n", *(unsigned short *)0xFFC00004
	printf "PLL_CTL:     0x%04x\n", *(unsigned short *)0xFFC00000
end

define show_sdram
	printf "SDRRC:  0x%04x\n", *(unsigned short *)0xFFC00A18

	set $$SDBCTL = *(unsigned short *)0xFFC00A14
	set $$EBCAW = ($$SDBCTL & 0x30) >> 4
	set $$EBSZ = ($$SDBCTL & 0xe) >> 1
	printf "SDBCTL: 0x%04x ", $$SDBCTL
	if ($$SDBCTL & 0x1)
		printf "(enabled) "
	else
		printf "(disabled) "
	end
	if $$EBCAW == 0x0
		printf "(8-bit) "
	end
	if $$EBCAW == 0x1
		printf "(9-bit) "
	end
	if $$EBCAW == 0x2
		printf "(10-bit) "
	end
	if $$EBCAW == 0x3
		printf "(11-bit) "
	end
	if $$EBSZ == 0x0
		printf "(16MB)"
	end
	if $$EBSZ == 0x1
		printf "(32MB)"
	end
	if $$EBSZ == 0x2
		printf "(64MB)"
	end
	if $$EBSZ == 0x3
		printf "(128MB)"
	end
	if $$EBSZ == 0x4
		printf "(256MB)"
	end
	if $$EBSZ == 0x5
		printf "(512MB)"
	end
	printf "\n"

	set $$SDSTAT = *(unsigned short *)0xFFC00A1C
	printf "SDSTAT: 0x%04x ", $$SDSTAT
	if ($$SDSTAT & (1 << 0))
		printf "(idle) "
	else
		printf "(busy) "
	end
	if ($$SDSTAT & (1 << 1))
		printf "(self-refresh) "
	end
	if ($$SDSTAT & (1 << 2))
		printf "(powerup) "
	end
	if ($$SDSTAT & (1 << 3))
		printf "(will power up) "
	end
	if ($$SDSTAT & (1 << 4))
		printf "(EAB error) "
	end
	printf "\n"

	printf "SDGCTL: 0x%08x\n", *(unsigned long  *)0xFFC00A10
end

define show_ddr
	printf "DDRCTL0: 0x%08x\n", *(unsigned long *)0xFFC00A20
	printf "DDRCTL1: 0x%08x\n", *(unsigned long *)0xFFC00A24
	printf "DDRCTL2: 0x%08x\n", *(unsigned long *)0xFFC00A28
	printf "DDRCTL3: 0x%08x\n", *(unsigned long *)0xFFC00A2C
	printf "DDRQUE:  0x%08x\n", *(unsigned long *)0xFFC00A30
	printf "ERRADD:  "
	output/a *(unsigned long *)0xFFC00A34
	printf "\n"

	set $$ERRMST = *(unsigned short *)0xFFC00A38
	printf "ERRMST:  0x%04x     ( ", $$ERRMST
	if ($$ERRMST & (1 << 7))
		printf "core_merror "
	end
	if ($$ERRMST & (1 << 6))
		printf "deb2_merror "
	end
	if ($$ERRMST & (1 << 5))
		printf "deb1_merror "
	end
	if ($$ERRMST & (1 << 4))
		printf "deb0_merror "
	end
	if ($$ERRMST & (1 << 3))
		printf "core_error "
	end
	if ($$ERRMST & (1 << 2))
		printf "deb2_error "
	end
	if ($$ERRMST & (1 << 1))
		printf "deb1_error "
	end
	if ($$ERRMST & (1 << 0))
		printf "deb0_error "
	end
	printf ")\n"

	set $$RSTCTL = *(unsigned short *)0xFFC00A3C
	printf "RSTCTL:  0x%04x     ( ", $$RSTCTL
	if ($$RSTCTL & (1 << 4))
		printf "srack "
	end
	if ($$RSTCTL & (1 << 3))
		printf "srreq "
	end
	if (!($$RSTCTL & (1 << 1)))
		printf "!!! ERROR: bit 1 needs to be 1, but it is 0 !!! "
	end
	if ($$RSTCTL & (1 << 0))
		printf "ddr_sreset "
	end
	printf ")\n"
end

define show_ebiu
	printf "EBIU_AMGCTL:  0x%04x\n", *(unsigned short *)0xFFC00A00
	printf "EBIU_AMBCTL0: 0x%08x\n", *(unsigned long *)0xFFC00A04
	printf "EBIU_AMBCTL1: 0x%08x\n", *(unsigned long *)0xFFC00A08
	printf "EBIU_MBSCTL:  0x%08x\n", *(unsigned long *)0xFFC00A0C

	set $$EBIU_ARBSTAT = *(unsigned long *)0xFFC00A10
	printf "EBIU_ARBSTAT: 0x%08x ( ", $$EBIU_ARBSTAT
	if ($$EBIU_ARBSTAT & (1 << 1))
		printf "bgstat "
	end
	if ($$EBIU_ARBSTAT & (1 << 0))
		printf "arbstat "
	end
	printf ")\n"

	printf "EBIU_MODE:    0x%08x\n", *(unsigned long *)0xFFC00A14
	printf "EBIU_FCTL:    0x%08x\n", *(unsigned long *)0xFFC00A18
end

define _show_cec
	set $$cec = *(unsigned long *)$arg0
	printf "0x%08x: ", $$cec
	if ($$cec & (1 << 0))
		printf "EMU "
	else
		printf "    "
	end
	if ($$cec & (1 << 1))
		printf "RST "
	else
		printf "    "
	end
	if ($$cec & (1 << 2))
		printf "NMI "
	else
		printf "    "
	end
	if ($$cec & (1 << 3))
		printf "EVX "
	else
		printf "    "
	end
	if ($$cec & (1 << 4))
		printf "GBL "
	else
		printf "    "
	end
	if ($$cec & (1 << 5))
		printf "HW "
	else
		printf "   "
	end
	if ($$cec & (1 << 6))
		printf "TMR "
	else
		printf "    "
	end
	set $$ceci = 7
	while ($$ceci < 16)
		if ($$cec & (1 << $$ceci))
			printf "G%i ", $$ceci
		else
			printf "   "
			if ($$ceci > 9)
				printf " "
			end
		end
		set $$ceci = $$ceci + 1
	end
	printf "\n"
end
define show_cec
	printf "IMASK: "
	_show_cec 0xFFE02104
	printf "IPEND: "
	_show_cec 0xFFE02108
	printf "ILAT:  "
	_show_cec 0xFFE0210C

	set $$EVT = 0xFFE02000
	set $$EVTi = 0
	while ($$EVTi < 16)
		printf "EVT%-2i ", $$EVTi
		output/a *(unsigned long *)($$EVT + $$EVTi * 4)
		printf "\n"
		set $$EVTi = $$EVTi + 1
	end
end

define _show_cplbs
	set $$addr = $arg0
	set $$data = $arg1
	set $$i = 0
	while ($$i < 16)
		set $$data_val = *(unsigned long *)($$data + $$i * 4)
		printf " 0x%08x 0x%08x ( ", *(unsigned long *)($$addr + $$i * 4), $$data_val
		if (($$data_val & (0x3 << 16)) == (0x0 << 16))
			printf "1K "
		end
		if (($$data_val & (0x3 << 16)) == (0x1 << 16))
			printf "4K "
		end
		if (($$data_val & (0x3 << 16)) == (0x2 << 16))
			printf "1M "
		end
		if (($$data_val & (0x3 << 16)) == (0x3 << 16))
			printf "4M "
		end
		if ($$data_val & (0x1 << 14))
			printf "wt "
		else
			printf "wb "
		end
		if ($$data_val & (0x1 << 7))
			printf "dirty "
		end
		if ($$data_val & (0x1 << 4))
			printf "supv-wr "
		end
		if ($$data_val & (0x1 << 3))
			printf "user-wr "
		end
		if ($$data_val & (0x1 << 2))
			printf "user-rd "
		end
		if ($$data_val & (0x1 << 1))
			printf "locked "
		end
		if ($$data_val & (0x1 << 0))
			printf "valid "
		else
			printf "invalid "
		end
		printf ")\n"
		set $$i = $$i + 1
	end
end
define show_icplbs
	set $$IMEM_CONTROL = 0xFFE01004
	printf "ICPLBS (0x%08x)\n", *(unsigned long *)$$IMEM_CONTROL
	_show_cplbs 0xFFE01100 0xFFE01200
end
define show_dcplbs
	set $$DMEM_CONTROL = 0xFFE00004
	printf "DCPLBS (0x%08x)\n", *(unsigned long *)$$DMEM_CONTROL
	_show_cplbs 0xFFE00100 0xFFE00200
end
define show_cplbs
	show_icplbs
	show_dcplbs
end

define _show_cplbstatus
	set $$CPLB_STATUS     = *(unsigned long *)$arg0
	printf " STATUS     = 0x%08x ( ", $$CPLB_STATUS
	if ($$CPLB_STATUS & (1 << 19))
		printf "illaddr "
	end
	if ($$CPLB_STATUS & (1 << 18))
		printf "dag1 "
	else
		printf "dag0 "
	end
	if ($$CPLB_STATUS & (1 << 17))
		printf "super "
	else
		printf "user "
	end
	if ($$CPLB_STATUS & (1 << 16))
		printf "write "
	else
		printf "read "
	end
	set $$i = 15
	while ($$i >= 0)
		if ($$CPLB_STATUS & (1 << $$i))
			printf "%i ", $$i
		end
		set $$i--
	end
	printf ")\n"

	set $$CPLB_FAULT_ADDR = *(unsigned long *)$arg1
	printf " FAULT_ADDR = "
	output/a $$CPLB_FAULT_ADDR
	printf "\n"
end
define show_icplbstatus
	printf "ICPLB Status\n"
	_show_cplbstatus 0xFFE01008 0xFFE0100C
end
define show_dcplbstatus
	printf "DCPLB Status\n"
	_show_cplbstatus 0xFFE00008 0xFFE0000C
end
define show_cplbstatus
	seqstat
	show_icplbstatus
	show_dcplbstatus
end

define safe_regs
	set $r0 = $r1 = $r2 = $r3 = $r4 = $r5 = $r6 = $r7 = 0xffb00000
	set $sp = $fp = $usp = $r0 + 0x100
	set $p0 = $p1 = $p2 = $p3 = $p4 = $p5 = 0xffa00000
	set $pc = $rets = $reti = $retx = $retn = $p0
	set $lt0 = $lt1 = $lb0 = $lb1 = 1
	set $lc0 = $lc1 = 0
	set $i0 = $i1 = $i2 = $i3 = $r0
	set $b0 = $b1 = $b2 = $b3 = $r0
	set $l0 = $l1 = $l2 = $l3 = $r0
	set $m0 = $m1 = $m2 = $m3 = $r0
end

define _show_dma
	set $$DMA_BASE = $arg0
	set $$NEXT_DESC_PTR = *(unsigned long *)  ($$DMA_BASE + 0x00)
	set $$START_ADDR    = *(unsigned long *)  ($$DMA_BASE + 0x04)
	set $$CONFIG        = *(unsigned short *) ($$DMA_BASE + 0x08)
	set $$X_COUNT       = *(unsigned short *) ($$DMA_BASE + 0x10)
	set $$X_MODIFY      = *(unsigned short *) ($$DMA_BASE + 0x14)
	set $$Y_COUNT       = *(unsigned short *) ($$DMA_BASE + 0x18)
	set $$Y_MODIFY      = *(unsigned short *) ($$DMA_BASE + 0x1C)
	set $$CURR_DESC_PTR = *(unsigned long *)  ($$DMA_BASE + 0x20)
	set $$CURR_ADDR     = *(unsigned long *)  ($$DMA_BASE + 0x24)
	set $$IRQ_STATUS    = *(unsigned short *) ($$DMA_BASE + 0x28)
	set $$CURR_X_COUNT  = *(unsigned short *) ($$DMA_BASE + 0x30)
	set $$CURR_Y_COUNT  = *(unsigned short *) ($$DMA_BASE + 0x38)
	printf "desc: curr: 0x%08x  next: 0x%08x\n", $$CURR_DESC_PTR, $$NEXT_DESC_PTR
	printf "addr: curr: 0x%08x start: 0x%08x\n", $$CURR_ADDR, $$START_ADDR
	printf "X: curr: 0x%04x count: 0x%04x mod: 0x%04x (%i)\n", $$CURR_X_COUNT, $$X_COUNT, $$X_MODIFY, (short)$$X_MODIFY
	printf "Y: curr: 0x%04x count: 0x%04x mod: 0x%04x (%i)\n", $$CURR_Y_COUNT, $$Y_COUNT, $$Y_MODIFY, (short)$$Y_MODIFY
	printf "dma config: 0x%04x (", $$CONFIG
	if ($$CONFIG & (1 << 0))
		printf "enabled "
	else
		printf "disabled "
	end
	if ($$CONFIG & (0x1 << 1))
		printf "write "
	else
		printf "read "
	end
	set $$WDSIZE = ($$CONFIG & (0x3 << 2)) >> 2
	if ($$WDSIZE == 0x3)
		printf "WDSIZE:INVALID "
	end
	if ($$WDSIZE == 0x2)
		printf "32-bit "
	end
	if ($$WDSIZE == 0x1)
		printf "16-bit "
	end
	if ($$WDSIZE == 0x0)
		printf "8-bit "
	end
	if ($$CONFIG & (0x1 << 4))
		printf "2D "
	else
		printf "1D "
	end
	if ($$CONFIG & (0x1 << 5))
		printf "sync "
	end
	if ($$CONFIG & (0x1 << 6))
		printf "di_sel "
	end
	if ($$CONFIG & (0x1 << 7))
		printf "interrupt "
	end
	set $$NDSIZE = ($$CONFIG & (0xF << 8)) >> 8
	if ($$NDSIZE > 0 && $$NDSIZE < 10)
		printf "NDSIZE_%i ", $$NDSIZE
	end
	if ($$NDSIZE >= 10)
		printf "NDSIZE:INVALID:%i ", $$NDSIZE
	end
	set $$FLOW = ($$CONFIG & (0x7 << 12)) >> 12
	if ($$FLOW == 0)
		printf "stop"
	else
		if ($$FLOW == 1)
			printf "autobuffer"
		else
			if ($$FLOW == 4)
				printf "descriptor_array"
			else
				if ($$FLOW == 6)
					printf "descriptor_list_small"
				else
					if ($$FLOW == 7)
						printf "descriptor_list_large"
					else
						printf "FLOW:INVALID:%i", $$FLOW
					end
				end
			end
		end
	end
	printf ")\n"
	printf "irq status: 0x%04x (", $$IRQ_STATUS
	if ($$IRQ_STATUS & (0x1 << 0))
		printf "done "
	end
	if ($$IRQ_STATUS & (0x1 << 1))
		printf "err "
	end
	if ($$IRQ_STATUS & (0x1 << 2))
		printf "dfetch "
	end
	if ($$IRQ_STATUS & (0x1 << 3))
		printf "run "
	end
	printf ")\n"
end

define show_ctimer
	set $$CTIMER  = 0xFFE03000
	set $$TCNTL   = *(unsigned long *) ($$CTIMER + 0x0)
	set $$TPERIOD = *(unsigned long *) ($$CTIMER + 0x4)
	set $$TSCALE  = *(unsigned long *) ($$CTIMER + 0x8)
	set $$TCOUNT  = *(unsigned long *) ($$CTIMER + 0xC)
	printf "TCNTL:   %#x ( ", $$TCNTL
	if ($$TCNTL & (1 << 0))
		printf "power "
	end
	if ($$TCNTL & (1 << 1))
		printf "enable "
	end
	if ($$TCNTL & (1 << 2))
		printf "autoreload "
	end
	if ($$TCNTL & (1 << 3))
		printf "int-enabled "
	end
	printf ")\n"
	printf "TPERIOD: %#x\n", $$TPERIOD
	printf "TSCALE:  %#x\n", $$TSCALE
	printf "TCOUNT:  %#x\n", $$TCOUNT
end

define show_spi
	if $argc > 0
		set $$SPI_BASE = $arg0
	else
		set $$SPI_BASE = 0xFFC00500
	end
	set $$SPI_BAUD = *(unsigned short *) ($$SPI_BASE + 0x14)
	set $$SPI_CTL  = *(unsigned short *) ($$SPI_BASE + 0x00)
	set $$SPI_FLG  = *(unsigned short *) ($$SPI_BASE + 0x04)
	set $$SPI_STAT = *(unsigned short *) ($$SPI_BASE + 0x08)
	set $$SPI_TDBR = *(unsigned short *) ($$SPI_BASE + 0x0C)
	set $$SPI_RDBR = *(unsigned short *) ($$SPI_BASE + 0x10)
	set $$SPI_SHAD = *(unsigned short *) ($$SPI_BASE + 0x18)
	printf "BAUD: %04x (%i)\n", $$SPI_BAUD, $$SPI_BAUD
	printf "CTL:  %04x (", $$SPI_CTL
	set $$TIMOD = $$SPI_CTL & 0x3
	printf "timod:%i ", $$TIMOD
	if ($$SPI_CTL & (1 << 2))
		printf "sz "
	end
	if ($$SPI_CTL & (1 << 3))
		printf "gm "
	end
	if ($$SPI_CTL & (1 << 4))
		printf "psse "
	end
	if ($$SPI_CTL & (1 << 5))
		printf "emiso "
	end
	if ($$SPI_CTL & (1 << 8))
		printf "16bit "
	else
		printf "8bit "
	end
	if ($$SPI_CTL & (1 << 9))
		printf "lsbf "
	end
	if ($$SPI_CTL & (1 << 10))
		printf "cpol "
	end
	if ($$SPI_CTL & (1 << 11))
		printf "cpha "
	end
	if ($$SPI_CTL & (1 << 12))
		printf "mstr "
	else
		printf "slave "
	end
	if ($$SPI_CTL & (1 << 13))
		printf "wom "
	end
	if ($$SPI_CTL & (1 << 14))
		printf "enabled"
	else
		printf "disabled"
	end
	printf ")\n"
	printf "STAT: %04x (", $$SPI_STAT
	if ($$SPI_STAT & (1 << 0))
		printf "spif "
	end
	if ($$SPI_STAT & (1 << 1))
		printf "modf "
	end
	if ($$SPI_STAT & (1 << 2))
		printf "txe "
	end
	if ($$SPI_STAT & (1 << 3))
		printf "txs "
	end
	if ($$SPI_STAT & (1 << 4))
		printf "rbsy "
	end
	if ($$SPI_STAT & (1 << 5))
		printf "rxs "
	end
	if ($$SPI_STAT & (1 << 6))
		printf "txcol "
	end
	printf ")\n"
	printf "FLG:  %04x\n", $$SPI_FLG
	printf "TDBR: %04x  RDBR: %04x\n", $$SPI_TDBR, $$SPI_SHAD
end

define show_uart_lcr
	set $$LCR = $arg0
	printf "LCR: 0x%02x ( ", $$LCR
	set $$WLS = $$LCR & 0x3
	if ($$WLS == 0)
		printf "5-bit "
	end
	if ($$WLS == 1)
		printf "6-bit "
	end
	if ($$WLS == 2)
		printf "7-bit "
	end
	if ($$WLS == 3)
		printf "8-bit "
	end
	if ($$LCR & (1 << 2))
		printf "stb "
	end
	if ($$LCR & (1 << 3))
		printf "pen "
	end
	if ($$LCR & (1 << 4))
		printf "eps "
	end
	if ($$LCR & (1 << 5))
		printf "stp "
	end
	if ($$LCR & (1 << 6))
		printf "sb "
	end
	printf ")\n"
end

define show_uart_lsr
	set $$LSR = $arg0
	printf "LSR: 0x%02x ( ", $$LSR
	if ($$LSR & (1 << 0))
		printf "dr "
	end
	if ($$LSR & (1 << 1))
		printf "oe "
	end
	if ($$LSR & (1 << 2))
		printf "pe "
	end
	if ($$LSR & (1 << 3))
		printf "fe "
	end
	if ($$LSR & (1 << 4))
		printf "bi "
	end
	if ($$LSR & (1 << 5))
		printf "thre "
	end
	if ($$LSR & (1 << 6))
		printf "temt "
	end
	if ($$LSR & (1 << 7))
		printf "tfi "
	end
	printf ")\n"
end

define show_uart_ier
	set $$IER = $arg0
	printf "IER: 0x%02x ( ", $$IER
	if ($$IER & (1 << 0))
		printf "erbfi "
	end
	if ($$IER & (1 << 1))
		printf "etbei "
	end
	if ($$IER & (1 << 2))
		printf "elsi "
	end
	if ($$IER & (1 << 3))
		printf "edssi "
	end
	if ($$IER & (1 << 4))
		printf "edtpti "
	end
	if ($$IER & (1 << 5))
		printf "etfi "
	end
	if ($$IER & (1 << 6))
		printf "erfci "
	end
	printf ")\n"
end

define show_uart_mcr
	set $$MCR = $arg0
	printf "MCR: 0x%02x ( ", $$MCR
	if ($$MCR & (1 << 0))
		printf "xoff "
	end
	if ($$MCR & (1 << 1))
		printf "mrts "
	end
	if ($$MCR & (1 << 2))
		printf "rfit "
	end
	if ($$MCR & (1 << 3))
		printf "rfrt "
	end
	if ($$MCR & (1 << 4))
		printf "loop_ena "
	end
	if ($$MCR & (1 << 5))
		printf "fcpol "
	end
	if ($$MCR & (1 << 6))
		printf "arts "
	end
	if ($$MCR & (1 << 7))
		printf "acts "
	end
	printf ")\n"
end

define show_uart_msr
	set $$MSR = $arg0
	printf "MSR: 0x%02x ( ", $$MSR
	if ($$MSR & (1 << 0))
		printf "scts "
	end
	if ($$MSR & (1 << 4))
		printf "cts "
	end
	if ($$MSR & (1 << 5))
		printf "rfcs "
	end
	printf ")\n"
end

define show_uart_gctl
	set $$GCTL = $arg0
	printf "GCTL: 0x%02x ( ", $$GCTL
	if ($$GCTL & (1 << 0))
		printf "ucen "
	end
	if ($$GCTL & (1 << 1))
		printf "iren "
	end
	if ($$GCTL & (1 << 2))
		printf "tpolc "
	end
	if ($$GCTL & (1 << 3))
		printf "rpolc "
	end
	if ($$GCTL & (1 << 4))
		printf "fpe "
	end
	if ($$GCTL & (1 << 5))
		printf "ffe "
	end
	if ($$GCTL & (1 << 6))
		printf "edbo "
	end
	if ($$GCTL & (1 << 7))
		printf "eglsi "
	end
	printf ")\n"
end

define show_uart
	if $argc > 0
		set $$UART_BASE = $arg0
	else
		set $$UART_BASE = 0xffc00400
	end
	set $$UART_DLL  = (unsigned short *) ($$UART_BASE + 0x00)
	set $$UART_RBR  = (unsigned short *) ($$UART_BASE + 0x00)
	set $$UART_DLH  = (unsigned short *) ($$UART_BASE + 0x04)
	set $$UART_IER  = (unsigned short *) ($$UART_BASE + 0x04)
	set $$UART_IIR  = (unsigned short *) ($$UART_BASE + 0x08)
	set $$UART_LCR  = (unsigned short *) ($$UART_BASE + 0x0C)
	set $$UART_MCR  = (unsigned short *) ($$UART_BASE + 0x10)
	set $$UART_LSR  = (unsigned short *) ($$UART_BASE + 0x14)
	set $$UART_MSR  = (unsigned short *) ($$UART_BASE + 0x18)
	set $$UART_SCR  = (unsigned short *) ($$UART_BASE + 0x1C)
	set $$UART_GCTL = (unsigned short *) ($$UART_BASE + 0x24)

	set $$DLAB = (1 << 7)
	set $$LCR = *$$UART_LCR
	set *$$UART_LCR = ($$LCR | $$DLAB)
	printf "DLL: 0x%02x   DLH: 0x%02x\n", *$$UART_DLL, *$$UART_DLH
	set *$$UART_LCR = $$LCR & ~$$DLAB
	printf "RBR: 0x%02x   SCR: 0x%02x\n", *$$UART_RBR, *$$UART_SCR
	set *$$UART_LCR = $$LCR

	printf "IIR: 0x%02x   ", *$$UART_IIR
	show_uart_ier *$$UART_IER
	show_uart_lcr $$LCR
	show_uart_mcr *$$UART_MCR
	show_uart_lsr *$$UART_LSR
	show_uart_msr *$$UART_MSR
	show_uart_gctl *$$UART_GCTL
end

define show_uart2
	if $argc > 0
		set $$UART_BASE = $arg0
	else
		set $$UART_BASE = 0xffc00400
	end
	set $$UART_DLL  = (unsigned short *) ($$UART_BASE + 0x00)
	set $$UART_DLH  = (unsigned short *) ($$UART_BASE + 0x04)
	set $$UART_GCTL = (unsigned short *) ($$UART_BASE + 0x08)
	set $$UART_LCR  = (unsigned short *) ($$UART_BASE + 0x0C)
	set $$UART_MCR  = (unsigned short *) ($$UART_BASE + 0x10)
	set $$UART_LSR  = (unsigned short *) ($$UART_BASE + 0x14)
	set $$UART_MSR  = (unsigned short *) ($$UART_BASE + 0x18)
	set $$UART_SCR  = (unsigned short *) ($$UART_BASE + 0x1C)
	set $$UART_IER  = (unsigned short *) ($$UART_BASE + 0x20)
	set $$UART_RBR  = (unsigned short *) ($$UART_BASE + 0x2C)

	printf "DLL: 0x%02x   DLH: 0x%02x\n", *$$UART_DLL, *$$UART_DLH
	printf "RBR: 0x%02x   SCR: 0x%02x\n", *$$UART_RBR, *$$UART_SCR

	printf "            "
	show_uart_ier *$$UART_IER
	show_uart_lcr *$$UART_LCR
	show_uart_mcr *$$UART_MCR
	show_uart_lsr *$$UART_LSR
	show_uart_msr *$$UART_MSR
	show_uart_gctl *$$UART_GCTL
end

define show_uart4
	if $argc > 0
		set $$UART_BASE = $arg0
	else
		set $$UART_BASE = 0xffc02000
	end
	set $$UART_REVID = (unsigned long *) ($$UART_BASE + 0x00)
	set $$UART_CTL   = (unsigned long *) ($$UART_BASE + 0x04)
	set $$UART_STAT  = (unsigned long *) ($$UART_BASE + 0x08)
	set $$UART_SCR   = (unsigned long *) ($$UART_BASE + 0x0C)
	set $$UART_CLK   = (unsigned long *) ($$UART_BASE + 0x10)
	set $$UART_IMASK = (unsigned long *) ($$UART_BASE + 0x14)
	set $$UART_RBR   = (unsigned long *) ($$UART_BASE + 0x20)
	set $$UART_THR   = (unsigned long *) ($$UART_BASE + 0x24)
	set $$UART_TAIP  = (unsigned long *) ($$UART_BASE + 0x28)
	set $$UART_TSR   = (unsigned long *) ($$UART_BASE + 0x2C)
	set $$UART_RSR   = (unsigned long *) ($$UART_BASE + 0x30)
	set $$UART_TXCNT = (unsigned long *) ($$UART_BASE + 0x34)
	set $$UART_RXCNT = (unsigned long *) ($$UART_BASE + 0x38)

	printf "REVID: 0x%08x    SCR: 0x%08x\n", *$$UART_REVID, *$$UART_SCR
	printf "  CLK: 0x%08x   TAIP: 0x%08x\n", *$$UART_CLK, *$$UART_TAIP

	set $$CTL = *$$UART_CTL
	printf "  CTL: 0x%08x ( ", $$CTL
	if ($$CTL & (1 << 0))
		printf "uen "
	end
	if ($$CTL & (1 << 1))
		printf "loop_ena "
	end
	set $$UMOD = ($$CTL & (3 << 4)) >> 4
	printf "mode:"
	if ($$UMOD == 0)
		printf "uart "
	end
	if ($$UMOD == 1)
		printf "mdb "
	end
	if ($$UMOD == 2)
		printf "irda "
	end
	if ($$UMOD == 3)
		printf "reserved "
	end
	set $$WLS = ($$CTL & (3 << 8)) >> 8
	printf "wls:"
	if ($$WLS == 0)
		printf "5"
	end
	if ($$WLS == 1)
		printf "6 "
	end
	if ($$WLS == 2)
		printf "7 "
	end
	if ($$WLS == 3)
		printf "8 "
	end
	if ($$CTL & (1 << 12))
		printf "stb "
	end
	if ($$CTL & (1 << 13))
		printf "stbh "
	end
	if ($$CTL & (1 << 14))
		printf "pen "
	end
	if ($$CTL & (1 << 15))
		printf "eps "
	end
	if ($$CTL & (1 << 16))
		printf "stp "
	end
	if ($$CTL & (1 << 17))
		printf "fpe "
	end
	if ($$CTL & (1 << 18))
		printf "ffe "
	end
	if ($$CTL & (1 << 19))
		printf "sb "
	end
	if ($$CTL & (1 << 22))
		printf "fcpol "
	end
	if ($$CTL & (1 << 23))
		printf "rpolc "
	end
	if ($$CTL & (1 << 24))
		printf "tpolc "
	end
	if ($$CTL & (1 << 25))
		printf "mrts "
	end
	if ($$CTL & (1 << 26))
		printf "xoff "
	end
	if ($$CTL & (1 << 27))
		printf "arts "
	end
	if ($$CTL & (1 << 28))
		printf "acts "
	end
	if ($$CTL & (1 << 29))
		printf "rfit "
	end
	if ($$CTL & (1 << 30))
		printf "rfrt "
	end
	printf ")\n"

	set $$STAT = *$$UART_STAT
	printf " STAT: 0x%08x ( ", $$STAT
	if ($$STAT & (1 << 0))
		printf "dr "
	end
	if ($$STAT & (1 << 1))
		printf "oe "
	end
	if ($$STAT & (1 << 2))
		printf "pe "
	end
	if ($$STAT & (1 << 3))
		printf "fe "
	end
	if ($$STAT & (1 << 4))
		printf "bi "
	end
	if ($$STAT & (1 << 5))
		printf "thre "
	end
	if ($$STAT & (1 << 7))
		printf "temt "
	end
	if ($$STAT & (1 << 8))
		printf "tfi "
	end
	if ($$STAT & (1 << 9))
		printf "astky "
	end
	if ($$STAT & (1 << 10))
		printf "addr "
	end
	if ($$STAT & (1 << 11))
		printf "ro "
	end
	if ($$STAT & (1 << 12))
		printf "scts "
	end
	if ($$STAT & (1 << 16))
		printf "cts "
	end
	if ($$STAT & (1 << 17))
		printf "rfcs "
	end
	printf ")\n"

	printf "IMASK: 0x%08x\n", *$$UART_IMASK
	printf "  RSR: 0x%04x    TSR: 0x%04x\n", *$$UART_RSR, *$$UART_TSR
	printf "  RBR: 0x%02x      THR: 0x%02x\n", *$$UART_RBR, *$$UART_THR
	printf "RXCNT: 0x%02x    TXCNT: 0x%02x\n", *$$UART_RXCNT, *$$UART_TXCNT
end

define _otp_save
	set $$s_pc = $pc
	set $$s_r0 = $r0
	set $$s_r1 = $r1
	set $$s_r2 = $r2
	set $$s_mm = (unsigned long *)0xFFB00000
	set $$s_m0 = $$s_mm[0]
	set $$s_m1 = $$s_mm[1]
end
define _otp_restore
	set $pc = $$s_pc
	set $r0 = $$s_r0
	set $r1 = $$s_r1
	set $r2 = $$s_r2
	set $$s_mm[0] = $$s_m0
	set $$s_mm[1] = $$s_m1
end

define _otp_read
	set $pc = 0xef00001a
	set $r0 = $arg0
	set $r1 = $arg1
	set $r2 = 0xFFB00000
	
end
define otp_read
	if $argc == 0
		set $$OTP_PAGE = 0
	else
		set $$OTP_PAGE = $arg0
	end

	printf "OTP Page 0x%02x: ", $$OTP_PAGE
	_otp_save
	_otp_read $$OTP_PAGE, 0
	_otp_read $$OTP_PAGE, 1
	_otp_restore
end

define otp_dump
	_otp_save
	set $$page = 0
	while $$page < 0xe0
		printf "0x%02x: ", $$page
		_otp_read $$page, 0
		printf "%08x %08x ", $$OTP_PAGE_L, $$OTP_PAGE_H
		_otp_read $$page, 1
		printf "%08x %08x ", $$OTP_PAGE_L, $$OTP_PAGE_H
		$$page++
	end
	_otp_restore
end


#
# Provide U-Boot-style functions in gdb
#

define uboot_jtag_load
	set remotetimeout 300
	load init.elf
	continue
	load u-boot
	call memset(&_bss_vma, 0, &_bss_len)
	continue
end