Skip to content

Split IRAM into 2 linker sections to move std::fcn #5922

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 8 commits into from
Apr 10, 2019
Merged

Split IRAM into 2 linker sections to move std::fcn #5922

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
a001f5e
Split IRAM into 2 linker sections to move std::fcn
earlephilhower Mar 27, 2019
8d1ec76
Add .text1 segment to space used calculation in IDE
earlephilhower Mar 28, 2019
2ff0fa5
Merge branch 'master' into split-iram
earlephilhower Mar 28, 2019
dd8d3a0
Merge branch 'master' into split-iram
d-a-v Apr 7, 2019
1c4f912
Update eagle.app.v6.common.ld.h
d-a-v Apr 7, 2019
13d7a4d
Write out the .text1 segment to the BIN
earlephilhower Apr 9, 2019
48e736c
Merge branch 'master' into split-iram
earlephilhower Apr 9, 2019
f86b7b3
Merge branch 'master' into split-iram
d-a-v Apr 10, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion platform.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -117,7 +117,7 @@ recipe.output.save_file={build.project_name}.{build.variant}.bin

## Compute size
recipe.size.pattern="{compiler.path}{compiler.size.cmd}" -A "{build.path}/{build.project_name}.elf"
recipe.size.regex=^(?:\.irom0\.text|\.text|\.data|\.rodata|)\s+([0-9]+).*
recipe.size.regex=^(?:\.irom0\.text|\.text|\.text1|\.data|\.rodata|)\s+([0-9]+).*
recipe.size.regex.data=^(?:\.data|\.rodata|\.bss)\s+([0-9]+).*
#recipe.size.regex.eeprom=^(?:\.eeprom)\s+([0-9]+).*

Expand Down
2 changes: 1 addition & 1 deletion tools/elf2bin.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ def main():

out = open(args.out, "wb")
write_bin(out, args.eboot, ['.text'], 4096, args.flash_mode, args.flash_size, args.flash_freq, args.path)
write_bin(out, args.app, ['.irom0.text', '.text', '.data', '.rodata'], 0, args.flash_mode, args.flash_size, args.flash_freq, args.path)
write_bin(out, args.app, ['.irom0.text', '.text', '.text1', '.data', '.rodata'], 0, args.flash_mode, args.flash_size, args.flash_freq, args.path)
out.close()

return 0
Expand Down
71 changes: 41 additions & 30 deletions tools/sdk/ld/eagle.app.v6.common.ld.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,44 @@ SECTIONS
#include "eagle.app.v6.common.ld.vtables.h"
#endif

/* IRAM is split into .text and .text1 to allow for moving specific */
/* functions into IRAM that would be matched by the irom0.text matcher */
.text : ALIGN(4)
{
_stext = .;
_text_start = ABSOLUTE(.);
*(.UserEnter.text)
. = ALIGN(16);
*(.DebugExceptionVector.text)
. = ALIGN(16);
*(.NMIExceptionVector.text)
. = ALIGN(16);
*(.KernelExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN(16);
*(.UserExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN(16);
*(.DoubleExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)

/* all functional callers are placed in IRAM (including SPI/IRQ callbacks/etc) here */
*(.text._ZNKSt8functionIF*EE*) /* std::function<any(...)>::operator()() const */
} >iram1_0_seg :iram1_0_phdr

.irom0.text : ALIGN(4)
{
_irom0_text_start = ABSOLUTE(.);
Expand Down Expand Up @@ -163,37 +201,10 @@ SECTIONS
_flash_code_end = ABSOLUTE(.);
} >irom0_0_seg :irom0_0_phdr

.text : ALIGN(4)


.text1 : ALIGN(4)
{
_stext = .;
_text_start = ABSOLUTE(.);
*(.UserEnter.text)
. = ALIGN(16);
*(.DebugExceptionVector.text)
. = ALIGN(16);
*(.NMIExceptionVector.text)
. = ALIGN(16);
*(.KernelExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN(16);
*(.UserExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN(16);
*(.DoubleExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)
*(.literal .text .iram.literal .iram.text .iram.text.* .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
#ifdef VTABLES_IN_IRAM
*(.rodata._ZTV*) /* C++ vtables */
Expand Down