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extend the cmsis emulation layer to compile with the complete efm32lib

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most of this is non-functional but just a list of stubs that are
absolutely required to make it compile
This commit is contained in:
chrysn
2012-04-19 13:14:54 +02:00
parent 43acfc531a
commit 705cdab7d7
36 changed files with 253 additions and 0 deletions
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59
examples/efm32/tinygecko/efm32-tg-stk3300/miniblink-efm32lib/core_cm3.h
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@@ -1,3 +1,6 @@
#ifndef OPENCMSIS_CORECM3_H
#define OPENCMSIS_CORECM3_H
/* the original core_cm3.h is nonfree by arm; this provides libopencm3 variant of the symbols efm32lib needs of CMSIS. */
#include <stdint.h>
@@ -26,6 +29,8 @@ typedef struct
__IO uint32_t AIRCR;
__IO uint32_t SCR;
__IO uint32_t CCR;
__IO uint8_t SHPR[12]; /* FIXME: how is this properly indexed? */
__IO uint32_t SHCSR;
} SCB_TypeDef;
#define SCB ((SCB_TypeDef *) SCB_BASE)
/* from libopencm3/cm3/memorymap.h */
@@ -39,3 +44,57 @@ typedef struct
/* needed by efm32_cmu.h, probably it's just what gcc provides anyway */
#define __CLZ(div) __builtin_clz(div)
/* needed by efm32_aes.c. __builtin_bswap32 does the same thing as the rev instruction according to https://bugzilla.mozilla.org/show_bug.cgi?id=600106 */
#define __REV(x) __builtin_bswap32(x)
/* stubs for efm32_cmu.c */
uint32_t SystemCoreClockGet(void);
uint32_t SystemHFClockGet(void);
uint32_t SystemLFRCOClockGet(void);
uint32_t SystemLFXOClockGet(void);
/* stubs for efm32_dbg.h */
typedef struct
{
uint32_t DHCSR;
} CoreDebug_TypeDef;
#define CoreDebug ((CoreDebug_TypeDef *) 0)
#define CoreDebug_DHCSR_C_DEBUGEN_Msk 0
/* stubs for efm32_dma */
#define NVIC_ClearPendingIRQ(irq) 1
#define NVIC_EnableIRQ(irq) 1
#define NVIC_DisableIRQ(irq) 1
/* stubs for efm32_int */
#define __enable_irq() 1
#define __disable_irq() 1
/* stubs for efm32_mpu */
#define SCB_SHCSR_MEMFAULTENA_Msk 0
typedef struct
{
uint32_t CTRL;
uint32_t RNR;
uint32_t RBAR;
uint32_t RASR;
} MPU_TypeDef;
#define MPU ((MPU_TypeDef *) 0)
#define MPU_CTRL_ENABLE_Msk 0
#define MPU_RASR_XN_Pos 0
#define MPU_RASR_AP_Pos 0
#define MPU_RASR_TEX_Pos 0
#define MPU_RASR_S_Pos 0
#define MPU_RASR_C_Pos 0
#define MPU_RASR_B_Pos 0
#define MPU_RASR_SRD_Pos 0
#define MPU_RASR_SIZE_Pos 0
#define MPU_RASR_ENA_Pos 0
#endif

26
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/Makefile Normal file
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@@ -0,0 +1,26 @@
##
## This file is part of the libopencm3 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
## Copyright (C) 2012 chrysn <chrysn@fsfe.org>
##
## This library is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this library. If not, see <http://www.gnu.org/licenses/>.
##
BINARY = test
OBJS += core_cm3.o $(patsubst %.c,%.o,$(wildcard efm32_*.c))
CFLAGS += -I/tmp/EFM32_CMSIS_2.4.1/efm32lib/inc/ -I /tmp/EFM32_CMSIS_2.4.1/CMSIS/CM3/DeviceSupport/EnergyMicro/EFM32/ -DEFM32G880F128 -I.
include ../Makefile.include

8
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/core_cm3.c Normal file
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@@ -0,0 +1,8 @@
#include "core_cm3.h"
/* stubs for efm32_cmu.c */
uint32_t SystemCoreClockGet(void) {return 1;}
uint32_t SystemHFClockGet(void) {return 1;}
uint32_t SystemLFRCOClockGet(void) {return 1;}
uint32_t SystemLFXOClockGet(void) {return 1;}

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/core_cm3.h Symbolic link
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@@ -0,0 +1 @@
../../efm32-tg-stk3300/miniblink-efm32lib/core_cm3.h

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_acmp.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_acmp.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_adc.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_adc.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_aes.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_aes.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_assert.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_assert.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_burtc.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_burtc.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_cmu.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_cmu.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_dac.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_dac.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_dbg.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_dbg.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_dma.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_dma.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_ebi.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_ebi.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_emu.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_emu.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_gpio.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_gpio.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_i2c.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_i2c.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_int.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_int.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_lcd.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_lcd.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_lesense.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_lesense.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_letimer.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_letimer.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_leuart.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_leuart.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_mpu.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_mpu.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_msc.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_msc.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_opamp.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_opamp.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_pcnt.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_pcnt.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_prs.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_prs.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_rmu.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_rmu.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_rtc.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_rtc.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_system.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_system.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_timer.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_timer.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_usart.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_usart.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_vcmp.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_vcmp.c

1
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/efm32_wdog.c Symbolic link
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@@ -0,0 +1 @@
/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_wdog.c

14
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/gdbinit Normal file
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@@ -0,0 +1,14 @@
# gets set when loading the file, without this i get the "Remote 'g' packet
# reply is too long" errors
set arm abi AAPCS
target remote localhost:2331
monitor speed auto
# this seems to be less about the architecture and more about how to
# communicate with gdb. "set endian big" works just as well.
monitor endian little
# sometimes this doesn't work, then the gdbserver has to be restarted
monitor reset
monitor go
monitor halt

115
examples/efm32/tinygecko/olimex-em32-32g880f128-h/test-efm32lib/test.c Normal file
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@@ -0,0 +1,115 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2012 chrysn <chrysn@fsfe.org>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <efm32_acmp.h>
#include <efm32_adc.h>
#include <efm32_aes.h>
#include <efm32_assert.h>
#include <efm32_bitband.h>
#include <efm32_burtc.h>
#include <efm32_chip.h>
#include <efm32_cmu.h>
#include <efm32_common.h>
#include <efm32_dac.h>
#include <efm32_dbg.h>
#include <efm32_dma.h>
#include <efm32_ebi.h>
#include <efm32_emu.h>
#include <efm32_gpio.h>
#include <efm32_i2c.h>
#include <efm32_int.h>
#include <efm32_lcd.h>
#include <efm32_lesense.h>
#include <efm32_letimer.h>
#include <efm32_leuart.h>
#include <efm32_mpu.h>
#include <efm32_msc.h>
#include <efm32_opamp.h>
#include <efm32_pcnt.h>
#include <efm32_prs.h>
#include <efm32_rmu.h>
#include <efm32_rtc.h>
#include <efm32_system.h>
#include <efm32_timer.h>
#include <efm32_usart.h>
#include <efm32_vcmp.h>
#include <efm32_version.h>
#include <efm32_wdog.h>
#include <stdio.h>
void setup(void);
void led_toggle(void);
bool button_is_pressed(void);
void debug(int a);
#define LOG_SIZE 1024
volatile char logbuffer[LOG_SIZE];
int main(void)
{
int x;
int n_pressed = 0;
setup();
while(1) {
if (button_is_pressed())
{
for(x = 0; x < 200000; ++x) asm("mov r0,r0"); /* no-op, prevent compiler from optimizing this away */
n_pressed += 1;
debug(n_pressed);
}
led_toggle();
};
}
void debug(int a)
{
snprintf(logbuffer, LOG_SIZE, "Data %d.\n", a);
}
void setup(void)
{
// Before GPIO works, according to d0034_efm32tg_reference_manual.pdf
// note in section 28.3.7, we'll have to enable GPIO in CMU_HFPERCLKEN0
CMU->HFPERCLKEN0 |= _CMU_HFPERCLKEN0_GPIO_MASK;
GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 2, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 0, gpioModeInputPull, 1); /* pull up */
// Counter-blink the other user LED
GPIO_PinOutToggle(gpioPortE, 2);
}
void led_toggle(void)
{
GPIO_PinOutToggle(gpioPortE, 1);
GPIO_PinOutToggle(gpioPortE, 2);
}
bool button_is_pressed(void)
{
return !GPIO_PinInGet(gpioPortE, 0);
}