Add back the manual placement of the DMA section for GCC to optimize the RAM layout w.r.t. alignment.

stevew817 · stevew817 · commit 037dd8c455ae · 2016-01-12T17:25:58.000+01:00
diff --git a/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32GG_STK3700/TOOLCHAIN_GCC_ARM/efm32gg.ld b/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32GG_STK3700/TOOLCHAIN_GCC_ARM/efm32gg.ld
@@ -137,6 +137,7 @@ SECTIONS
   .data : AT (__etext)
   {
     __data_start__ = .;
+    *("dma")
     PROVIDE( __start_vector_table__ = .);
     . += __vector_size;
     PROVIDE( __end_vector_table__ = .);
diff --git a/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32HG_STK3400/TOOLCHAIN_GCC_ARM/efm32hg.ld b/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32HG_STK3400/TOOLCHAIN_GCC_ARM/efm32hg.ld
@@ -138,6 +138,7 @@ SECTIONS
   .data : AT (__etext)
   {
     __data_start__ = .;
+    *("dma")
     PROVIDE( __start_vector_table__ = .);
     . += __vector_size;
     PROVIDE( __end_vector_table__ = .);
diff --git a/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/TOOLCHAIN_GCC_ARM/efm32lg.ld b/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/TOOLCHAIN_GCC_ARM/efm32lg.ld
@@ -137,6 +137,7 @@ SECTIONS
   .data : AT (__etext)
   {
     __data_start__ = .;
+    *("dma")
     PROVIDE( __start_vector_table__ = .);
     . += __vector_size;
     PROVIDE( __end_vector_table__ = .);
diff --git a/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32WG_STK3800/TOOLCHAIN_GCC_ARM/efm32wg.ld b/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32WG_STK3800/TOOLCHAIN_GCC_ARM/efm32wg.ld
@@ -138,6 +138,7 @@ SECTIONS
   .data : AT (__etext)
   {
     __data_start__ = .;
+    *("dma")
     PROVIDE( __start_vector_table__ = .);
     . += __vector_size;
     PROVIDE( __end_vector_table__ = .);
diff --git a/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32ZG_STK3200/TOOLCHAIN_GCC_ARM/efm32zg.ld b/libraries/mbed/targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32ZG_STK3200/TOOLCHAIN_GCC_ARM/efm32zg.ld
@@ -138,6 +138,7 @@ SECTIONS
   .data : AT (__etext)
   {
     __data_start__ = .;
+    *("dma")
     PROVIDE( __start_vector_table__ = .);
     . += __vector_size;
     PROVIDE( __end_vector_table__ = .);

Original file line number	Diff line number	Diff line change
`@@ -137,6 +137,7 @@ SECTIONS`
`137`	`137`	`.data : AT (__etext)`
`138`	`138`	`{`
`139`	`139`	`__data_start__ = .;`
	`140`	`+ *("dma")`
`140`	`141`	`PROVIDE( __start_vector_table__ = .);`
`141`	`142`	`. += __vector_size;`
`142`	`143`	`PROVIDE( __end_vector_table__ = .);`
Original file line number	Diff line number	Diff line change
`@@ -138,6 +138,7 @@ SECTIONS`
`138`	`138`	`.data : AT (__etext)`
`139`	`139`	`{`
`140`	`140`	`__data_start__ = .;`
	`141`	`+ *("dma")`
`141`	`142`	`PROVIDE( __start_vector_table__ = .);`
`142`	`143`	`. += __vector_size;`
`143`	`144`	`PROVIDE( __end_vector_table__ = .);`