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b80a54eb0f
Add comprehensive target configuration parsing and inheritance system: - Create internal/targets package with config structures - Support JSON configuration loading with inheritance resolution - Implement multi-level inheritance (e.g., rp2040 → cortex-m0plus → cortex-m) - Add 206 target configurations from TinyGo for embedded platforms - Support core fields: name, llvm-target, cpu, features, build-tags, goos, goarch, cflags, ldflags - Provide high-level resolver interface for target lookup - Include comprehensive unit tests with 100% target parsing coverage This foundation enables future -target parameter support for cross-compilation to diverse embedded platforms beyond current GOOS/GOARCH limitations. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
60 lines
1.5 KiB
ArmAsm
60 lines
1.5 KiB
ArmAsm
// Generic Cortex-M interrupt vector.
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// This vector is used by the Cortex-M QEMU target.
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.cfi_sections .debug_frame
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.syntax unified
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// This is the default handler for interrupts, if triggered but not defined.
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.section .text.Default_Handler
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.global Default_Handler
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.type Default_Handler, %function
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Default_Handler:
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.cfi_startproc
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wfe
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b Default_Handler
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.cfi_endproc
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.size Default_Handler, .-Default_Handler
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// Avoid the need for repeated .weak and .set instructions.
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.macro IRQ handler
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.weak \handler
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.set \handler, Default_Handler
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.endm
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.section .isr_vector, "a", %progbits
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.global __isr_vector
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__isr_vector:
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// Interrupt vector as defined by Cortex-M, starting with the stack top.
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// On reset, SP is initialized with *0x0 and PC is loaded with *0x4, loading
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// _stack_top and Reset_Handler.
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.long _stack_top
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.long Reset_Handler
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.long NMI_Handler
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.long HardFault_Handler
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.long MemoryManagement_Handler
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.long BusFault_Handler
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.long UsageFault_Handler
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.long 0
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.long 0
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.long 0
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.long 0
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.long SVC_Handler
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.long DebugMon_Handler
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.long 0
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.long PendSV_Handler
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.long SysTick_Handler
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// Define default implementations for interrupts, redirecting to
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// Default_Handler when not implemented.
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IRQ NMI_Handler
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IRQ HardFault_Handler
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IRQ MemoryManagement_Handler
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IRQ BusFault_Handler
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IRQ UsageFault_Handler
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IRQ SVC_Handler
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IRQ DebugMon_Handler
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IRQ PendSV_Handler
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IRQ SysTick_Handler
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.size __isr_vector, .-__isr_vector
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