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thermosphere: reduce usage of nonvolatile memory by around 4KB

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TuxSH
2020-01-31 18:42:16 +00:00
parent 1fd2cdb664
commit 680a768178
12 changed files with 54 additions and 80 deletions
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28
thermosphere/linker.ld
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@@ -123,13 +123,6 @@ SECTIONS
. = ALIGN(8);
} >mainVa AT>main :main
.eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } >mainVa AT>main :main
.eh_frame : { KEEP (*(.eh_frame)) *(.eh_frame.*) } >mainVa AT>main :main
.gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) } >mainVa AT>main :main
.gnu_extab : { *(.gnu_extab*) } >mainVa AT>main :main
.exception_ranges : { *(.exception_ranges .exception_ranges*) } >mainVa AT>main :main
.dynamic : { *(.dynamic) } >mainVa AT>main :main
.interp : { *(.interp) } >mainVa AT>main :main
.note.gnu.build-id : { *(.note.gnu.build-id) } >mainVa AT>main :main
@@ -144,29 +137,36 @@ SECTIONS
.bss (NOLOAD) :
{
. = ALIGN(0x1000);
__bss_start__ = ABSOLUTE(.);
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(8);
} >mainVa :NONE
.tempbss (NOLOAD) :
{
. = ALIGN(0x1000);
__real_bss_end__ = ABSOLUTE(.);
__image_size__ = ABSOLUTE(__real_bss_end__ - __start__);
/*ASSERT(__image_size__ <= __max_image_size__, "Image too big!");*/
/*
The logic here: tempbss *additional pages* are at a very different PA, but
we can allow .tempbss to use unused "non-temporary" BSS space. Their VAs are
contiguous.
*/
*(.tempbss .tempbss.*)
. = ALIGN(0x1000);
__bss_end__ = ABSOLUTE(.);
__temp_size__ = ABSOLUTE(__bss_end__ - __real_bss_end__);
ASSERT(__temp_size__ <= __max_temp_size__, "tempbss too big!");
} >mainVa :NONE
. = ALIGN(8);
/* Shit we keep in the elf but otherwise discard */
.eh_frame_hdr (NOLOAD) : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } >mainVa :NONE
.eh_frame (NOLOAD) : { KEEP (*(.eh_frame)) *(.eh_frame.*) } >mainVa :NONE
.gcc_except_table (NOLOAD) : { *(.gcc_except_table .gcc_except_table.*) } >mainVa :NONE
.gnu_extab (NOLOAD) : { *(.gnu_extab*) } >mainVa :NONE
.exception_ranges (NOLOAD) : { *(.exception_ranges .exception_ranges*) } >mainVa :NONE
/* ==================
==== Metadata ====
================== */