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| author | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-10-19 00:20:10 +0300 |
|---|---|---|
| committer | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2016-10-19 00:20:10 +0300 |
| commit | 9514d847feb70c330d310a366b92013960729bdc (patch) | |
| tree | eb231d0a20847fba154d07f4e7f58f6b4865878c /esp8266 | |
| parent | 462748de0c2668d40b7f2ea8f2b264d134d5d39b (diff) | |
| download | micropython-9514d847feb70c330d310a366b92013960729bdc.tar.gz micropython-9514d847feb70c330d310a366b92013960729bdc.zip | |
esp8266: Add MP_FASTCODE modifier to put a function to iRAM.
It can be used in the following manner:
void MP_FASTCODE(foo)(int arg) { ... }
Diffstat (limited to 'esp8266')
| -rw-r--r-- | esp8266/esp8266.ld | 3 | ||||
| -rw-r--r-- | esp8266/mpconfigport.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/esp8266/esp8266.ld b/esp8266/esp8266.ld index 010a4cac60..5fb6f13796 100644 --- a/esp8266/esp8266.ld +++ b/esp8266/esp8266.ld @@ -202,7 +202,8 @@ SECTIONS *(.entry.text) *(.init.literal) *(.init) - *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) + *(.literal .text .literal.* .text.* .iram0.literal .iram0.text .iram0.text.*.literal .iram0.text.*) + *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) *(.fini.literal) *(.fini) *(.gnu.version) diff --git a/esp8266/mpconfigport.h b/esp8266/mpconfigport.h index 201057f128..602b3e9c81 100644 --- a/esp8266/mpconfigport.h +++ b/esp8266/mpconfigport.h @@ -182,4 +182,6 @@ extern const struct _mp_obj_module_t onewire_module; #define MICROPY_HW_MCU_NAME "ESP8266" #define MICROPY_PY_SYS_PLATFORM "esp8266" +#define MP_FASTCODE(n) __attribute__((section(".iram0.text." #n))) n + #define _assert(expr) ((expr) ? (void)0 : __assert_func(__FILE__, __LINE__, __func__, #expr)) |