tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-07 20:43:40 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

all: use groupName in peripherals

Browse Source 
This is needed for support for multiple instances of a peripheral type.
This commit is contained in:
Ayke van Laethem
2018-09-21 22:24:41 +02:00
parent 110230a50d
commit 9fa08bf51d
3 changed files with 47 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tools/gen-device-svd.py
+38 -8
View File
@@ -40,6 +40,7 @@ def readSVD(path):
raise ValueError('multiple <licenseText> elements')
device.peripherals = []
peripheralDict = {}
interrupts = OrderedDict()
@@ -50,14 +51,32 @@ def readSVD(path):
if descriptionTags:
description = formatText(getText(descriptionTags[0]))
baseAddress = int(getText(periphEl.getElementsByTagName('baseAddress')[0]), 0)
groupNameTags = periphEl.getElementsByTagName('groupName')
groupName = name
if groupNameTags:
groupName = getText(groupNameTags[0])
if periphEl.hasAttribute('derivedFrom'):
derivedFromName = periphEl.getAttribute('derivedFrom')
derivedFrom = peripheralDict[derivedFromName]
peripheral = {
'name': name,
'groupName': derivedFrom['groupName'],
'description': description if description is not None else derivedFrom['description'],
'baseAddress': baseAddress,
}
device.peripherals.append(peripheral)
continue
peripheral = {
'name': name,
'groupName': groupName,
'description': description,
'baseAddress': baseAddress,
'registers': [],
}
device.peripherals.append(peripheral)
peripheralDict[name] = peripheral
for interrupt in periphEl.getElementsByTagName('interrupt'):
intrName = getText(interrupt.getElementsByTagName('name')[0])
@@ -77,7 +96,7 @@ def readSVD(path):
if regsEls:
for el in regsEls[0].childNodes:
if el.nodeName == 'register':
peripheral['registers'].append(parseSVDRegister(name, el, baseAddress))
peripheral['registers'].append(parseSVDRegister(groupName, el, baseAddress))
elif el.nodeName == 'cluster':
if el.getElementsByTagName('dim'):
continue # TODO
@@ -85,7 +104,7 @@ def readSVD(path):
clusterOffset = int(getText(el.getElementsByTagName('addressOffset')[0]), 0)
for regEl in el.childNodes:
if regEl.nodeName == 'register':
peripheral['registers'].append(parseSVDRegister(name, regEl, baseAddress + clusterOffset, clusterPrefix))
peripheral['registers'].append(parseSVDRegister(groupName, regEl, baseAddress + clusterOffset, clusterPrefix))
else:
continue
@@ -105,7 +124,7 @@ def readSVD(path):
return device
def parseSVDRegister(peripheralName, regEl, baseAddress, namePrefix=''):
def parseSVDRegister(groupName, regEl, baseAddress, namePrefix=''):
regName = getText(regEl.getElementsByTagName('name')[0])
regDescription = getText(regEl.getElementsByTagName('description')[0])
offsetEls = regEl.getElementsByTagName('offset')
@@ -138,12 +157,12 @@ def parseSVDRegister(peripheralName, regEl, baseAddress, namePrefix=''):
else:
msb = int(getText(fieldEl.getElementsByTagName('bitWidth')[0])) + lsb - 1
fields.append({
'name': '{}_{}{}_{}_Pos'.format(peripheralName, namePrefix, regName, fieldName),
'name': '{}_{}{}_{}_Pos'.format(groupName, namePrefix, regName, fieldName),
'description': 'Position of %s field.' % fieldName,
'value': lsb,
})
fields.append({
'name': '{}_{}{}_{}_Msk'.format(peripheralName, namePrefix, regName, fieldName),
'name': '{}_{}{}_{}_Msk'.format(groupName, namePrefix, regName, fieldName),
'description': 'Bit mask of %s field.' % fieldName,
'value': (0xffffffff >> (31 - (msb - lsb))) << lsb,
})
@@ -152,7 +171,7 @@ def parseSVDRegister(peripheralName, regEl, baseAddress, namePrefix=''):
enumDescription = getText(enumEl.getElementsByTagName('description')[0])
enumValue = int(getText(enumEl.getElementsByTagName('value')[0]), 0)
fields.append({
'name': '{}_{}{}_{}_{}'.format(peripheralName, namePrefix, regName, fieldName, enumName),
'name': '{}_{}{}_{}_{}'.format(groupName, namePrefix, regName, fieldName, enumName),
'description': enumDescription,
'value': enumValue,
})
@@ -201,8 +220,13 @@ const (
out.write('\tIRQ_max = {} // Highest interrupt number on this device.\n'.format(intrMax))
out.write(')\n')
# Define peripheral struct types.
for peripheral in device.peripherals:
out.write('\n// {description}\ntype {name}_Type struct {{\n'.format(**peripheral))
if 'registers' not in peripheral:
# This peripheral was derived from another peripheral. No new type
# needs to be defined for it.
continue
out.write('\n// {description}\ntype {groupName}_Type struct {{\n'.format(**peripheral))
address = peripheral['baseAddress']
padNumber = 0
for register in peripheral['registers']:
@@ -233,12 +257,18 @@ const (
address = register['address'] + 4
out.write('}\n')
# Define actual peripheral pointers.
out.write('\n// Peripherals.\nvar (\n')
for peripheral in device.peripherals:
out.write('\t{name} = (*{name}_Type)(unsafe.Pointer(uintptr(0x{baseAddress:x}))) // {description}\n'.format(**peripheral))
out.write('\t{name} = (*{groupName}_Type)(unsafe.Pointer(uintptr(0x{baseAddress:x}))) // {description}\n'.format(**peripheral))
out.write(')\n')
# Define bitfields.
for peripheral in device.peripherals:
if 'registers' not in peripheral:
# This peripheral was derived from another peripheral. Bitfields are
# already defined.
continue
if not sum(map(lambda r: len(r['bitfields']), peripheral['registers'])): continue
out.write('\n// Bitfields for {name}: {description}\nconst('.format(**peripheral))
for register in peripheral['registers']: