summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPalmer Dabbelt <palmer@dabbelt.com>2017-11-21 11:34:09 -0800
committerGitHub <noreply@github.com>2017-11-21 11:34:09 -0800
commit311128e6aafa08b43b80529b0ab505d99dda7931 (patch)
tree187ccea410d9d7948fca6cb7966f23db316f896e
parent8c43df57d93d25dd69d4fcdbf4b9f2cf28f9789e (diff)
parent9749ffe737a49aa19b65839c3bab2c598aeba4dc (diff)
Merge pull request #81 from sifive/dhrystone-arty
Dhrystone arty
-rw-r--r--bsp/env/coreplexip-e31-arty/dhrystone.lds157
-rw-r--r--bsp/env/coreplexip-e31-arty/init.c2
-rw-r--r--bsp/env/coreplexip-e31-arty/platform.h4
l---------bsp/env/coreplexip-e51-arty/dhrystone.lds1
4 files changed, 163 insertions, 1 deletions
diff --git a/bsp/env/coreplexip-e31-arty/dhrystone.lds b/bsp/env/coreplexip-e31-arty/dhrystone.lds
new file mode 100644
index 0000000..5484c5a
--- /dev/null
+++ b/bsp/env/coreplexip-e31-arty/dhrystone.lds
@@ -0,0 +1,157 @@
+OUTPUT_ARCH( "riscv" )
+
+ENTRY( _start )
+
+MEMORY
+{
+ flash (rxai!w) : ORIGIN = 0x40400000, LENGTH = 512M
+ ram (wxa!ri) : ORIGIN = 0x80000000, LENGTH = 16K
+}
+
+PHDRS
+{
+ flash PT_LOAD;
+ ram_init PT_LOAD;
+ ram PT_NULL;
+}
+
+SECTIONS
+{
+ __stack_size = DEFINED(__stack_size) ? __stack_size : 2K;
+
+ .init :
+ {
+ KEEP (*(SORT_NONE(.init)))
+ } >flash AT>flash :flash
+
+ .text :
+ {
+ *(.text.unlikely .text.unlikely.*)
+ *(.text.startup .text.startup.*)
+ *(.text .text.*)
+ *(.gnu.linkonce.t.*)
+ } >flash AT>flash :flash
+
+ .fini :
+ {
+ KEEP (*(SORT_NONE(.fini)))
+ } >flash AT>flash :flash
+
+ PROVIDE (__etext = .);
+ PROVIDE (_etext = .);
+ PROVIDE (etext = .);
+
+ . = ALIGN(4);
+
+ .preinit_array :
+ {
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ } >flash AT>flash :flash
+
+ .init_array :
+ {
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
+ KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ } >flash AT>flash :flash
+
+ .fini_array :
+ {
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
+ KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ } >flash AT>flash :flash
+
+ .ctors :
+ {
+ /* gcc uses crtbegin.o to find the start of
+ the constructors, so we make sure it is
+ first. Because this is a wildcard, it
+ doesn't matter if the user does not
+ actually link against crtbegin.o; the
+ linker won't look for a file to match a
+ wildcard. The wildcard also means that it
+ doesn't matter which directory crtbegin.o
+ is in. */
+ KEEP (*crtbegin.o(.ctors))
+ KEEP (*crtbegin?.o(.ctors))
+ /* We don't want to include the .ctor section from
+ the crtend.o file until after the sorted ctors.
+ The .ctor section from the crtend file contains the
+ end of ctors marker and it must be last */
+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
+ } >flash AT>flash :flash
+
+ .dtors :
+ {
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*crtbegin?.o(.dtors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
+ } >flash AT>flash :flash
+
+ .lalign :
+ {
+ . = ALIGN(4);
+ PROVIDE( _data_lma = . );
+ } >flash AT>flash :flash
+
+ .dalign :
+ {
+ . = ALIGN(4);
+ PROVIDE( _data = . );
+ } >ram AT>flash :ram_init
+
+ .data :
+ {
+ *(.rdata)
+ *(.rodata .rodata.*)
+ *(.gnu.linkonce.r.*)
+ *(.data .data.*)
+ *(.gnu.linkonce.d.*)
+ . = ALIGN(8);
+ PROVIDE( __global_pointer$ = . + 0x800 );
+ *(.sdata .sdata.*)
+ *(.gnu.linkonce.s.*)
+ . = ALIGN(8);
+ *(.srodata.cst16)
+ *(.srodata.cst8)
+ *(.srodata.cst4)
+ *(.srodata.cst2)
+ *(.srodata .srodata.*)
+ } >ram AT>flash :ram_init
+
+ . = ALIGN(4);
+ PROVIDE( _edata = . );
+ PROVIDE( edata = . );
+
+ PROVIDE( _fbss = . );
+ PROVIDE( __bss_start = . );
+ .bss :
+ {
+ *(.sbss*)
+ *(.gnu.linkonce.sb.*)
+ *(.bss .bss.*)
+ *(.gnu.linkonce.b.*)
+ *(COMMON)
+ . = ALIGN(4);
+ } >ram AT>ram :ram
+
+ . = ALIGN(8);
+ PROVIDE( _end = . );
+ PROVIDE( end = . );
+
+ .stack ORIGIN(ram) + LENGTH(ram) - __stack_size :
+ {
+ PROVIDE( _heap_end = . );
+ . = __stack_size;
+ PROVIDE( _sp = . );
+ } >ram AT>ram :ram
+}
diff --git a/bsp/env/coreplexip-e31-arty/init.c b/bsp/env/coreplexip-e31-arty/init.c
index 888f04f..409eeb4 100644
--- a/bsp/env/coreplexip-e31-arty/init.c
+++ b/bsp/env/coreplexip-e31-arty/init.c
@@ -19,7 +19,7 @@
extern int main(int argc, char** argv);
extern void TRAP_ENTRY();
-static unsigned long get_cpu_freq()
+unsigned long get_cpu_freq()
{
return CPU_FREQ;
}
diff --git a/bsp/env/coreplexip-e31-arty/platform.h b/bsp/env/coreplexip-e31-arty/platform.h
index 307a0c6..0ac341e 100644
--- a/bsp/env/coreplexip-e31-arty/platform.h
+++ b/bsp/env/coreplexip-e31-arty/platform.h
@@ -92,4 +92,8 @@
#include "coreplexip-arty.h"
+unsigned long get_cpu_freq(void);
+unsigned long get_timer_freq(void);
+uint64_t get_timer_value(void);
+
#endif /* _SIFIVE_PLATFORM_H */
diff --git a/bsp/env/coreplexip-e51-arty/dhrystone.lds b/bsp/env/coreplexip-e51-arty/dhrystone.lds
new file mode 120000
index 0000000..8459e13
--- /dev/null
+++ b/bsp/env/coreplexip-e51-arty/dhrystone.lds
@@ -0,0 +1 @@
+../coreplexip-e31-arty/dhrystone.lds \ No newline at end of file