add flash splits depending on the flash size

Author: ficeto

boards.txt

@@ -23,6 +23,7 @@ generic.build.variant=generic
 generic.build.flash_mode=qio
 generic.build.flash_size=512K
 generic.build.flash_freq=40
+generic.build.flash_ld=eagle.flash.512k.ld
 
 generic.menu.CpuFrequency.80=80 MHz
 generic.menu.CpuFrequency.80.build.f_cpu=80000000L
@@ -50,14 +51,19 @@ generic.menu.UploadSpeed.921600.upload.speed=921600
 
 generic.menu.FlashSize.512K=512K
 generic.menu.FlashSize.512K.build.flash_size=512K
+generic.menu.FlashSize.512K.build.flash_ld=eagle.flash.512k.ld
 generic.menu.FlashSize.256K=256K
 generic.menu.FlashSize.256K.build.flash_size=256K
+generic.menu.FlashSize.256K.build.flash_ld=eagle.flash.256k.ld
 generic.menu.FlashSize.1M=1M
 generic.menu.FlashSize.1M.build.flash_size=1M
+generic.menu.FlashSize.1M.build.flash_ld=eagle.flash.1m.ld
 generic.menu.FlashSize.2M=2M
 generic.menu.FlashSize.2M.build.flash_size=2M
+generic.menu.FlashSize.2M.build.flash_ld=eagle.flash.2m.ld
 generic.menu.FlashSize.4M=4M
 generic.menu.FlashSize.4M.build.flash_size=4M
+generic.menu.FlashSize.4M.build.flash_ld=eagle.flash.4m.ld
 
 generic.menu.FlashFreq.40=40MHz
 generic.menu.FlashFreq.40.build.flash_freq=40
@@ -97,6 +103,7 @@ modwifi.build.variant=generic
 modwifi.build.flash_mode=qio
 modwifi.build.flash_size=2M
 modwifi.build.flash_freq=40
+modwifi.build.flash_ld=eagle.flash.2m.ld
 
 modwifi.menu.CpuFrequency.80=80 MHz
 modwifi.menu.CpuFrequency.80.build.f_cpu=80000000L
@@ -142,6 +149,7 @@ nodemcu.build.variant=nodemcu
 nodemcu.build.flash_mode=qio
 nodemcu.build.flash_size=4M
 nodemcu.build.flash_freq=40
+nodemcu.build.flash_ld=eagle.flash.4m.ld
 
 nodemcu.menu.CpuFrequency.80=80 MHz
 nodemcu.menu.CpuFrequency.80.build.f_cpu=80000000L
@@ -188,6 +196,7 @@ nodemcu.menu.FlashSize.4M.build.flash_size=4M
 # wifio.build.flash_mode=qio
 # wifio.build.flash_size=512K
 # wifio.build.flash_freq=40
+# wifio.build.flash_ld=eagle.flash.512k.ld
 #
 # wifio.menu.CpuFrequency.80=80MHz
 # wifio.menu.CpuFrequency.80.build.f_cpu=80000000L

cores/esp8266/spiffs/spiffs_flashmem.c

@@ -1,4 +1,5 @@
 #include "flashmem.h"
+#include "esp8266_peri.h"
 
 // Based on NodeMCU platform_flash
 // https://github.com/nodemcu/nodemcu-firmware

platform.txt

@@ -20,8 +20,7 @@ compiler.c.flags=-c -Os -Wpointer-arith -Wno-implicit-function-declaration -Wl,-
 compiler.S.cmd=xtensa-lx106-elf-gcc
 compiler.S.flags=-c -g -x assembler-with-cpp -MMD
 
-compiler.c.elf.ldscript=eagle.app.v6.ld
-compiler.c.elf.flags=-nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/ld" "-T{compiler.c.elf.ldscript}"
+compiler.c.elf.flags=-nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/ld" "-T{build.flash_ld}"
 compiler.c.elf.cmd=xtensa-lx106-elf-gcc
 compiler.c.elf.libs=-lm -lgcc -lhal -lphy -lnet80211 -llwip -lwpa -lmain -lpp -lsmartconfig