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microzig/tools/regz/tests/svd.zig

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const std = @import("std");
const xml = @import("xml");
const Database = @import("Database");
const allocator = std.testing.allocator;
const expectEqual = std.testing.expectEqual;
const Access = Database.Access;
pub fn initDbFromSvd(text: []const u8) !Database {
const doc: *xml.Doc = try xml.readFromMemory(text);
defer xml.freeDoc(doc);
return try Database.initFromSvd(allocator, doc);
}
test "cmsis example" {
var db = try initDbFromSvd(@embedFile("svd/cmsis-example.svd"));
defer db.deinit();
// CPU is not populated in this svd file
try expectEqual(@as(@TypeOf(db.cpu), null), db.cpu);
}
// TODO: is getting the size from the width as a last resort correct?
test "register.size from device.size" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>42</width>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(usize, 42), register.size.?);
}
test "register.size from device" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>42</size>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(usize, 42), register.size.?);
}
test "register.size from peripheral" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <size>42</size>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(usize, 42), register.size.?);
}
test "register.size from cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <size>42</size>
\\ <addressOffset>0x0</addressOffset>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(usize, 42), register.size.?);
}
test "register.size from nested cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <cluster>
\\ <name>bruh2</name>
\\ <addressOffset>0x0</addressOffset>
\\ <size>42</size>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(usize, 42), register.size.?);
}
test "register.size from register" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ <size>42</size>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(usize, 42), register.size.?);
}
test "register.access from device" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <access>read-write</access>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(Access.read_write, register.access.?);
}
test "register.access from peripheral" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <access>read-only</access>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <access>read-write</access>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(Access.read_write, register.access.?);
}
test "register.access from cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <access>read-only</access>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <access>read-write</access>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(Access.read_write, register.access.?);
}
test "register.access from nested cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <access>read-only</access>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <cluster>
\\ <name>bruh2</name>
\\ <addressOffset>0x0</addressOffset>
\\ <access>read-write</access>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(Access.read_write, register.access.?);
}
test "register.access from register" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <access>read-only</access>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ <size>42</size>
\\ <access>read-write</access>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(Access.read_write, register.access.?);
}
// TODO: determine if assuming read-write by default is okay
test "register.access missing" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(Access.read_write, register.access.?);
}
test "field.access" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ <fields>
\\ <field>
\\ <name>field</name>
\\ <access>read-only</access>
\\ <bitRange>[0:0]</bitRange>
\\ </field>
\\ </fields>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
try expectEqual(Access.read_only, db.field_access.get(0).?);
}
test "register.reset_value from device" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetValue>1</resetValue>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 1), register.reset_value.?);
}
test "register.reset_value from peripheral" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetValue>1</resetValue>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <resetValue>2</resetValue>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 2), register.reset_value.?);
}
test "register.reset_value from cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetValue>1</resetValue>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <resetValue>2</resetValue>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 2), register.reset_value.?);
}
test "register.reset_value from nested cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetValue>1</resetValue>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <cluster>
\\ <name>bruh2</name>
\\ <addressOffset>0x0</addressOffset>
\\ <resetValue>2</resetValue>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 2), register.reset_value.?);
}
test "register.reset_value from register" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetValue>1</resetValue>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ <size>42</size>
\\ <resetValue>2</resetValue>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 2), register.reset_value.?);
}
// TODO: determine if assuming 0 by default is okay
test "register.reset_value missing" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 0), register.reset_value.?);
}
test "register.reset_mask from device" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetMask>0xff</resetMask>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 0xff), register.reset_mask.?);
}
test "register.reset_mask from peripheral" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetMask>0xff</resetMask>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <resetMask>0xffff</resetMask>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 0xffff), register.reset_mask.?);
}
test "register.reset_mask from cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetMask>0xff</resetMask>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <resetMask>0xffff</resetMask>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 0xffff), register.reset_mask.?);
}
test "register.reset_mask from nested cluster" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetMask>0xff</resetMask>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <cluster>
\\ <name>bruh</name>
\\ <addressOffset>0x0</addressOffset>
\\ <cluster>
\\ <name>bruh2</name>
\\ <addressOffset>0x0</addressOffset>
\\ <resetMask>0xffff</resetMask>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </cluster>
\\ </cluster>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 0xffff), register.reset_mask.?);
}
test "register.reset_mask from register" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <size>32</size>
\\ <resetMask>0xff</resetMask>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ <size>42</size>
\\ <resetMask>0xffff</resetMask>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, 0xffff), register.reset_mask.?);
}
// TODO: determine if assuming 0xffffffff by default is okay
test "register.reset_mask missing" {
var db = try initDbFromSvd(
\\<device>
\\ <name>ARMCM3xxx</name>
\\ <addressUnitBits>8</addressUnitBits>
\\ <width>32</width>
\\ <peripherals>
\\ <peripheral>
\\ <name>TIMER0</name>
\\ <baseAddress>0x40010000</baseAddress>
\\ <registers>
\\ <register>
\\ <name>test</name>
\\ <addressOffset>0x0</addressOffset>
\\ </register>
\\ </registers>
\\ </peripheral>
\\ </peripherals>
\\</device>
\\
);
defer db.deinit();
const register_idx = 0;
const register = try db.getRegister(register_idx);
try expectEqual(@as(u64, std.math.maxInt(u64)), register.reset_mask.?);
}
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