Add simpler method for relocating functions to RAM. (#21804)

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Nick Brassel 2023-11-22 12:08:52 +11:00 committed by GitHub
parent 0fcd13f552
commit 3a5e4253fc
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4 changed files with 32 additions and 0 deletions

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// Copyright 2023 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#define RESIDENT_IN_RAM(funcname) __attribute__((section(".ramfunc." #funcname), noinline)) funcname
#if __has_include_next("_util.h")
# include_next "_util.h"
#endif

10
platforms/avr/_util.h Normal file
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// Copyright 2023 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
// AVR can't actually run anything from RAM, so just no-op the define.
#define RESIDENT_IN_RAM(funcname) funcname
#if __has_include_next("_util.h")
# include_next "_util.h"
#endif

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// Copyright 2023 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#define RESIDENT_IN_RAM(funcname) __attribute__((section(".ram0_init." #funcname), noinline)) funcname
#if __has_include_next("_util.h")
# include_next "_util.h"
#endif

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@ -50,3 +50,7 @@
#if !defined(PACKED) #if !defined(PACKED)
# define PACKED __attribute__((__packed__)) # define PACKED __attribute__((__packed__))
#endif #endif
#if __has_include("_util.h")
# include "_util.h" /* Include the platform's _util.h */
#endif