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16 import xdc.bld.ITarget2;
17
18 /*!
19 * ======== M4.xdc ========
20 * Embedded Cortex M4, little endian, bare metal target
21 *
22 * This module defines an embedded bare metal target on Cortex M4. The target
23 * generates code compatible with the "v7M" architecture.
24 *
25 */
26 metaonly module M4 inherits IM {
27 override readonly config string name = "M4";
28 override readonly config string suffix = "m4g";
29 override readonly config string isa = "v7M4";
30
31 override readonly config ITarget2.Command cc = {
32 cmd: "$(rootDir)/bin/$(GCCTARG)-gcc -c -MD -MF $@.dep",
33 opts: "-mcpu=cortex-m4 -mthumb -mfloat-abi=soft -mabi=aapcs -g"
34 };
35
36 readonly config ITarget2.Command ccBin = {
37 cmd: "bin/arm-none-eabi-gcc -c -MD -MF $@.dep",
38 opts: "-mcpu=cortex-m4 -mthumb -mfloat-abi=soft -mabi=aapcs -g"
39 };
40
41 override readonly config ITarget2.Command asm = {
42 cmd: "$(rootDir)/bin/$(GCCTARG)-gcc -c -x assembler-with-cpp",
43 opts: "-Wa,-mcpu=cortex-m4 -Wa,-mthumb"
44 };
45
46 readonly config ITarget2.Command asmBin = {
47 cmd: "bin/arm-none-eabi-gcc -c -x assembler-with-cpp",
48 opts: "-Wa,-mcpu=cortex-m4 -Wa,-mthumb"
49 };
50
51 override config ITarget2.Options lnkOpts = {
52 prefix: "-mthumb -march=armv7e-m -nostartfiles -Wl,-static -Wl,--gc-sections ",
53 suffix: "-L$(packageBase)/libs/install-native/$(GCCTARG)/lib/thumb/v7e-m -Wl,--start-group -lgcc -lc -lm -Wl,--end-group --specs=nano.specs -Wl,-Map=$(XDCCFGDIR)/$@.map"
54 };
55
56 /*!
57 * ======== includeOpts ========
58 * Additional user configurable target-specific include path options
59 *
60 * This target uses newlib-nano run-time.
61 */
62 override config string includeOpts = "-I$(packageBase)/libs/install-native/$(GCCTARG)/include/newlib-nano -I$(packageBase)/libs/install-native/$(GCCTARG)/include";
63 }
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