3 # All Memory regions have two components.
4 # (1) A count of regions, in the form N_NAME
5 # (2) An array within info about each region.
9 # <NAME>( RegionNumber , ATTRIBUTE )
11 # Where <NAME> is one of:
13 # N_FLASH & FLASH (internal memory)
14 # N_RAM & RAM (internal memory)
15 # N_MMREGS & MMREGS (for memory mapped registers)
16 # N_XMEM & XMEM (off chip memory, ie: flash on cs0, sdram on cs2)
17 # or N_UNKNOWN & UNKNOWN for things that do not exist.
19 # We have 1 unknown region.
21 # All MEMORY regions must have these attributes
22 # CS - chip select (if internal, use -1)
23 set UNKNOWN(0,CHIPSELECT) -1
24 # BASE - base address in memory
26 # LEN - length in bytes
27 set UNKNOWN(0,LEN) $CPU_MAX_ADDRESS
28 # HUMAN - human name of the region
29 set UNKNOWN(0,HUMAN) "unknown"
31 # flash, ram, mmr, unknown
33 # iflash, dflash, iram, dram
34 set UNKNOWN(0,TYPE) "unknown"
36 # unix style chmod bits
41 # hence: 7 - readwrite execute
46 set RWX_RW [expr $RWX_R_ONLY + $RWX_W_ONLY]
47 set RWX_R_X [expr $RWX_R_ONLY + $RWX_X_ONLY]
48 set RWX_RWX [expr $RWX_R_ONLY + $RWX_W_ONLY + $RWX_X_ONLY]
49 set UNKNOWN(0,RWX) $RWX_NO_ACCESS
51 # WIDTH - access width
52 # 8,16,32 [0 means ANY]
53 set ACCESS_WIDTH_NONE 0
54 set ACCESS_WIDTH_8 $BIT0
55 set ACCESS_WIDTH_16 $BIT1
56 set ACCESS_WIDTH_32 $BIT2
57 set ACCESS_WIDTH_ANY [expr $ACCESS_WIDTH_8 + $ACCESS_WIDTH_16 + $ACCESS_WIDTH_32]
58 set UNKNOWN(0,ACCESS_WIDTH) $ACCESS_WIDTH_NONE
60 proc iswithin { ADDRESS BASE LEN } {
61 return [expr ((($ADDRESS - $BASE) > 0) && (($ADDRESS - $BASE + $LEN) > 0))]
64 proc address_info { ADDRESS } {
66 foreach WHERE { FLASH RAM MMREGS XMEM UNKNOWN } {
67 if { info exists $WHERE } {
68 set lmt [set N_[set WHERE]]
69 for { set region 0 } { $region < $lmt } { incr region } {
70 if { iswithin $ADDRESS $WHERE($region,BASE) $WHERE($region,LEN) } {
71 return "$WHERE $region";
77 # Return the 'unknown'
81 proc memread32 {ADDR} {
83 if ![ catch { mem2array foo 32 $ADDR 1 } msg ] {
86 error "memread32: $msg"
90 proc memread16 {ADDR} {
92 if ![ catch { mem2array foo 16 $ADDR 1 } msg ] {
95 error "memread16: $msg"
99 proc memread8 {ADDR} {
101 if ![ catch { mem2array foo 8 $ADDR 1 } msg ] {
104 error "memread8: $msg"
108 proc memwrite32 {ADDR DATA} {
110 if ![ catch { array2mem foo 32 $ADDR 1 } msg ] {
113 error "memwrite32: $msg"
117 proc memwrite16 {ADDR DATA} {
119 if ![ catch { array2mem foo 16 $ADDR 1 } msg ] {
122 error "memwrite16: $msg"
126 proc memwrite8 {ADDR DATA} {
128 if ![ catch { array2mem foo 8 $ADDR 1 } msg ] {
131 error "memwrite8: $msg"