From dbbc9c41f7db210b0a4e226540a28e0a8a5019bf Mon Sep 17 00:00:00 2001 From: zwelch Date: Wed, 27 May 2009 06:49:24 +0000 Subject: Move TCL script files -- Step 2 of 2: - Move src/tcl to tcl/. - Update top Makefile.am to use new path name. git-svn-id: svn://svn.berlios.de/openocd/trunk@1919 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- tcl/memory.tcl | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 tcl/memory.tcl (limited to 'tcl/memory.tcl') diff --git a/tcl/memory.tcl b/tcl/memory.tcl new file mode 100644 index 0000000..219d39f --- /dev/null +++ b/tcl/memory.tcl @@ -0,0 +1,133 @@ +# MEMORY +# +# All Memory regions have two components. +# (1) A count of regions, in the form N_NAME +# (2) An array within info about each region. +# +# The ARRAY +# +# ( RegionNumber , ATTRIBUTE ) +# +# Where is one of: +# +# N_FLASH & FLASH (internal memory) +# N_RAM & RAM (internal memory) +# N_MMREGS & MMREGS (for memory mapped registers) +# N_XMEM & XMEM (off chip memory, ie: flash on cs0, sdram on cs2) +# or N_UNKNOWN & UNKNOWN for things that do not exist. +# +# We have 1 unknown region. +set N_UNKNOWN 1 +# All MEMORY regions must have these attributes +# CS - chip select (if internal, use -1) +set UNKNOWN(0,CHIPSELECT) -1 +# BASE - base address in memory +set UNKNOWN(0,BASE) 0 +# LEN - length in bytes +set UNKNOWN(0,LEN) $CPU_MAX_ADDRESS +# HUMAN - human name of the region +set UNKNOWN(0,HUMAN) "unknown" +# TYPE - one of: +# flash, ram, mmr, unknown +# For harvard arch: +# iflash, dflash, iram, dram +set UNKNOWN(0,TYPE) "unknown" +# RWX - access ablity +# unix style chmod bits +# 0 - no access +# 1 - execute +# 2 - write +# 4 - read +# hence: 7 - readwrite execute +set RWX_NO_ACCESS 0 +set RWX_X_ONLY $BIT0 +set RWX_W_ONLY $BIT1 +set RWX_R_ONLY $BIT2 +set RWX_RW [expr $RWX_R_ONLY + $RWX_W_ONLY] +set RWX_R_X [expr $RWX_R_ONLY + $RWX_X_ONLY] +set RWX_RWX [expr $RWX_R_ONLY + $RWX_W_ONLY + $RWX_X_ONLY] +set UNKNOWN(0,RWX) $RWX_NO_ACCESS + +# WIDTH - access width +# 8,16,32 [0 means ANY] +set ACCESS_WIDTH_NONE 0 +set ACCESS_WIDTH_8 $BIT0 +set ACCESS_WIDTH_16 $BIT1 +set ACCESS_WIDTH_32 $BIT2 +set ACCESS_WIDTH_ANY [expr $ACCESS_WIDTH_8 + $ACCESS_WIDTH_16 + $ACCESS_WIDTH_32] +set UNKNOWN(0,ACCESS_WIDTH) $ACCESS_WIDTH_NONE + +proc iswithin { ADDRESS BASE LEN } { + return [expr ((($ADDRESS - $BASE) > 0) && (($ADDRESS - $BASE + $LEN) > 0))] +} + +proc address_info { ADDRESS } { + + foreach WHERE { FLASH RAM MMREGS XMEM UNKNOWN } { + if { info exists $WHERE } { + set lmt [set N_[set WHERE]] + for { set region 0 } { $region < $lmt } { incr region } { + if { iswithin $ADDRESS $WHERE($region,BASE) $WHERE($region,LEN) } { + return "$WHERE $region"; + } + } + } + } + + # Return the 'unknown' + return "UNKNOWN 0" +} + +proc memread32 {ADDR} { + set foo(0) 0 + if ![ catch { ocd_mem2array foo 32 $ADDR 1 } msg ] { + return $foo(0) + } else { + error "memread32: $msg" + } +} + +proc memread16 {ADDR} { + set foo(0) 0 + if ![ catch { ocd_mem2array foo 16 $ADDR 1 } msg ] { + return $foo(0) + } else { + error "memread16: $msg" + } +} + +proc memread8 {ADDR} { + set foo(0) 0 + if ![ catch { ocd_mem2array foo 8 $ADDR 1 } msg ] { + return $foo(0) + } else { + error "memread8: $msg" + } +} + +proc memwrite32 {ADDR DATA} { + set foo(0) $DATA + if ![ catch { ocd_array2mem foo 32 $ADDR 1 } msg ] { + return $foo(0) + } else { + error "memwrite32: $msg" + } +} + +proc memwrite16 {ADDR DATA} { + set foo(0) $DATA + if ![ catch { ocd_array2mem foo 16 $ADDR 1 } msg ] { + return $foo(0) + } else { + error "memwrite16: $msg" + } +} + +proc memwrite8 {ADDR DATA} { + set foo(0) $DATA + if ![ catch { ocd_array2mem foo 8 $ADDR 1 } msg ] { + return $foo(0) + } else { + error "memwrite8: $msg" + } +} -- cgit v1.1