update flash_xip.icf

demo/hpm/usb_host/flash_xip.icf

@@ -0,0 +1,109 @@
+/*
+ * Copyright 2021 hpmicro
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+define memory with size = 4G;
+
+/* Regions */
+define region NOR_CFG_OPTION = [ from 0x80000400 size 0x1000 ];
+define region BOOT_HEADER = [ from 0x80001000 size 0x3000 ];
+define region XPI0 = [from 0x80003000 size _flash_size - 0x3000 ];   /* XPI0 */
+define region ILM_SLV   = [from 0x1000000 size 256k];        /* ILM slave */
+define region DLM   = [from 0x80000 size 256k];    /* DLM */
+define region AXI_SRAM  = [from 0x1080000 size 700k];  /* reserve 256K for noncacheable region */
+define region SDRAM  = [from 0x40000000 size _extram_size];
+define region NONCACHEABLE_RAM = [from 0x1140000 size 256k];
+define region CHERRYUSB_FLASH = [start(XPI0)+4096k size 72];
+
+/* Blocks */
+define block vectors                        { section .isr_vector, section .vector_table };
+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                            { 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 = 8, /* fill =0xCD, */ readwrite access { };
+
+define block framebuffer with alignment = 8 { section .framebuffer };
+define block safe_stack with size = 512, readwrite access {};
+
+define block boot_header with fixed order        { section .boot_header, section .fw_info_table, section .dc_info };
+
+/* Symbols */
+define exported symbol __nor_cfg_option_load_addr__ = start of region NOR_CFG_OPTION;
+define exported symbol __boot_header_load_addr__ = start of region BOOT_HEADER;
+define exported symbol __app_load_addr__ = start of region XPI0;
+define exported symbol __app_offset__ = __app_load_addr__ - __boot_header_load_addr__;
+define exported symbol __boot_header_length__ = size of block boot_header;
+define exported symbol __fw_size__ = 0x1000;
+
+define exported symbol __noncacheable_start__  = start of region NONCACHEABLE_RAM;
+define exported symbol __noncacheable_end__  = end of region NONCACHEABLE_RAM + 1;
+
+define exported symbol __usbh_class_info_start__  = start of region CHERRYUSB_FLASH;
+define exported symbol __usbh_class_info_end__  = end of region CHERRYUSB_FLASH + 1;
+
+define exported symbol _stack_safe = end of block safe_stack + 1;
+define exported symbol _stack = end of block stack + 1;
+
+do not initialize                           { section .noncacheable };
+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 };
+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 symbol __SEGGER_init_heap     { block heap  };                                        // Init the heap if there is one
+initialize by symbol __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.
+
+keep { section .nor_cfg_option, section .boot_header, section .fw_info_table, section .dc_info };
+place in NOR_CFG_OPTION { section .nor_cfg_option };
+place in BOOT_HEADER with fixed order { block boot_header };
+place at start of XPI0 with fixed order { symbol _start};
+
+place at start of ILM_SLV with fixed order { block vectors };
+initialize by copy { block vectors };
+
+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)
+                                             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_SLV                          {
+                                             section .fast, section .fast.*,                       // "ramfunc" section
+                                          };
+
+place in DLM with auto order              {
+                                            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 AXI_SRAM                         { block framebuffer };
+place in NONCACHEABLE_RAM                 { section .noncacheable, section .noncacheable.init, section .noncacheable.bss };
+place in AXI_SRAM                         { block heap };                                         // Heap reserved block
+place at end of AXI_SRAM                  { block stack };                                        // Stack reserved block at the end
+place at end of DLM                       { block safe_stack };                                   // Safe stack reserved block at the end
+place in CHERRYUSB_FLASH                   { section  .usbh_class_info };
+keep { section .usbh_class_info};