From 8a9277f6608e5a64cd9f2410f8fdfe5afd637098 Mon Sep 17 00:00:00 2001 From: Drew Barbier Date: Tue, 21 Nov 2017 12:31:24 -0600 Subject: coreplexip dhrystone updates --- bsp/env/coreplexip-e31-arty/dhrystone.lds | 157 ++++++++++++++++++++++++++++++ bsp/env/coreplexip-e31-arty/init.c | 2 +- bsp/env/coreplexip-e31-arty/platform.h | 4 + bsp/env/coreplexip-e51-arty/dhrystone.lds | 1 + 4 files changed, 163 insertions(+), 1 deletion(-) create mode 100644 bsp/env/coreplexip-e31-arty/dhrystone.lds create mode 120000 bsp/env/coreplexip-e51-arty/dhrystone.lds diff --git a/bsp/env/coreplexip-e31-arty/dhrystone.lds b/bsp/env/coreplexip-e31-arty/dhrystone.lds new file mode 100644 index 0000000..4f7c0ec --- /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 = 64K +} + +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 -- cgit v1.2.1-18-gbd029 From 9749ffe737a49aa19b65839c3bab2c598aeba4dc Mon Sep 17 00:00:00 2001 From: Drew Barbier Date: Tue, 21 Nov 2017 13:09:01 -0600 Subject: The E31 and E51 have 16KiB of RAM --- bsp/env/coreplexip-e31-arty/dhrystone.lds | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/bsp/env/coreplexip-e31-arty/dhrystone.lds b/bsp/env/coreplexip-e31-arty/dhrystone.lds index 4f7c0ec..5484c5a 100644 --- a/bsp/env/coreplexip-e31-arty/dhrystone.lds +++ b/bsp/env/coreplexip-e31-arty/dhrystone.lds @@ -5,7 +5,7 @@ ENTRY( _start ) MEMORY { flash (rxai!w) : ORIGIN = 0x40400000, LENGTH = 512M - ram (wxa!ri) : ORIGIN = 0x80000000, LENGTH = 64K + ram (wxa!ri) : ORIGIN = 0x80000000, LENGTH = 16K } PHDRS -- cgit v1.2.1-18-gbd029