/* * Copyright (c) 2022-2023 HPMicro * SPDX-License-Identifier: BSD-3-Clause */ define memory with size = 4G; /* Regions */ define region XPI0 = [from 0x80000000 + 0x3000, size _flash_size - 0x3000]; /* XPI0 */ define region ILM = [from 0x00000000 size 256k]; /* ILM */ define region DLM = [from 0x00200000 size 256k]; /* DLM */ define region AXI_SRAM = [from 0x01200000 size 512k]; define region NONCACHEABLE_RAM = [from 0x01280000 size 256k]; define region SHARE_RAM = [from 0x012FC000 size 16k]; define region AHB_SRAM = [from 0xF0200000 size 32k]; /* Blocks */ define block vectors with fixed order { section .vector_table, section .isr_vector }; define block vectors_s with fixed order { section .vector_s_table, section .isr_s_vector }; define block ctors { section .ctors, section .ctors.*, block with alphabetical order { init_array } }; define block dtors { section .dtors, section .dtors.*, block with reverse alphabetical order { fini_array } }; define block eh_frame { section .eh_frame, section .eh_frame.* }; define block tbss { section .tbss, section .tbss.* }; define block tdata { section .tdata, section .tdata.* }; define block tls with fixed order { block tbss, block tdata }; define block tdata_load { copy of block tdata }; define block heap with size = __HEAPSIZE__, alignment = 8, /* fill =0x00, */ readwrite access { }; define block stack with size = __STACKSIZE__, alignment = 16, /* fill =0xCD, */ readwrite access { }; define block cherryusb_usbh_class_info with alignment = 8 { section .usbh_class_info }; define block framebuffer with alignment = 8 { section .framebuffer }; define block rtthread_FSymTab { section FSymTab }; define block rtthread_VSymTab { section VSymTab }; define block rtthread_rti_fn with alphabetical order { section .rti_fn* }; define block rtthread_RTMSymTab { section RTMSymTab }; /* Symbols */ define exported symbol __noncacheable_start__ = start of region NONCACHEABLE_RAM; define exported symbol __noncacheable_end__ = end of region NONCACHEABLE_RAM + 1; define exported symbol __share_mem_start__ = start of region SHARE_RAM; define exported symbol __share_mem_end__ = end of region SHARE_RAM + 1; define exported symbol _stack_safe = end of block stack + 1; define exported symbol _stack = end of block stack + 1; define exported symbol __usbh_class_info_start__ = start of block cherryusb_usbh_class_info; define exported symbol __usbh_class_info_end__ = end of block cherryusb_usbh_class_info + 1; define exported symbol __fsymtab_start = start of block rtthread_FSymTab; define exported symbol __fsymtab_end = end of block rtthread_FSymTab + 1; define exported symbol __vsymtab_start = start of block rtthread_VSymTab; define exported symbol __vsymtab_end = end of block rtthread_VSymTab + 1; define exported symbol __rt_init_start = start of block rtthread_rti_fn; define exported symbol __rt_init_end = end of block rtthread_rti_fn + 1; define exported symbol __rtmsymtab_start = start of block rtthread_RTMSymTab; define exported symbol __rtmsymtab_end = end of block rtthread_RTMSymTab + 1; /* Initialization */ do not initialize { section .noncacheable, section .fast_ram }; do not initialize { section .non_init, section .non_init.*, section .*.non_init, section .*.non_init.* }; do not initialize { section .no_init, section .no_init.*, section .*.no_init, section .*.no_init.* }; // Legacy sections, kept for backwards compatibility do not initialize { section .noinit, section .noinit.*, section .*.noinit, section .*.noinit.* }; // Legacy sections, used by some SDKs/HALs initialize by copy with packing=auto { section .noncacheable.init, section .fast_ram.init }; initialize by copy with packing=none { section .data, section .data.*, section .*.data, section .*.data.* }; // Static data sections initialize by copy with packing=auto { section .sdata, section .sdata.* }; initialize by copy with packing=auto { section .fast, section .fast.*, section .*.fast, section .*.fast.* }; // "RAM Code" sections initialize by calling __SEGGER_init_heap { block heap }; // Init the heap if there is one initialize by calling __SEGGER_init_ctors { block ctors }; // Call constructors for global objects which need to be constructed before reaching main (if any). Make sure this is done after setting up heap. initialize by copy { block vectors, block vectors_s }; initialize by copy { block cherryusb_usbh_class_info }; /* Placement */ place at start of XPI0 with fixed order { symbol _start }; place at start of ILM with fixed order { block vectors, block vectors_s }; place in XPI0 with minimum size order { block tdata_load, // Thread-local-storage load image block ctors, // Constructors block block dtors, // Destructors block block eh_frame, // Exception frames placed directly into flash overriding default placement (sections writable) block rtthread_FSymTab, block rtthread_VSymTab, block rtthread_rti_fn, block rtthread_RTMSymTab, readonly, // Catch-all for readonly data (e.g. .rodata, .srodata) readexec // Catch-all for (readonly) executable code (e.g. .text) }; // // The GNU compiler creates these exception-related sections as writeable. // Override the section header flag and make them readonly so they can be // placed into flash. // define access readonly { section .gcc_except_table, section .gcc_except_table.* }; define access readonly { section .eh_frame, section .eh_frame.* }; define access readonly { section .sdata.DW.* }; place in ILM { section .fast, section .fast.* // "ramfunc" section }; place in AXI_SRAM { block cherryusb_usbh_class_info }; place in AXI_SRAM { block framebuffer }; place in AXI_SRAM { block tls, // Thread-local-storage block readwrite, // Catch-all for initialized/uninitialized data sections (e.g. .data, .noinit) zeroinit // Catch-all for zero-initialized data sections (e.g. .bss) }; place in NONCACHEABLE_RAM { section .noncacheable, section .noncacheable.init, section .noncacheable.bss }; place in SHARE_RAM { section .sh_mem}; // Share memory place in AHB_SRAM { section .ahb_sram}; // AHB SRAM memory place in DLM { section .fast_ram.init, section .fast_ram, section .fast_ram.bss}; // Fast access memory place in DLM { block heap }; // Heap reserved block place at end of DLM { block stack }; // Stack reserved block /* Keep */ keep { section .usbh_class_info, section FSymTab, section VSymTab, section .rti_fn*, section RTMSymTab };