+++ /dev/null
-diff --git a/src/aes/ao_aes.c b/src/aes/ao_aes.c
-index a04174c6..fd90c5bf 100644
---- a/src/aes/ao_aes.c
-+++ b/src/aes/ao_aes.c
-@@ -359,10 +359,10 @@ void xrijndaelDecrypt(word32 block[], roundkey *rkk)
- #endif
-
- uint8_t ao_aes_mutex;
--static uint8_t key[16];
-+static word32 key[16/4];
- static roundkey rkk;
-
--static uint8_t iv[16];
-+static word32 iv[16/4];
-
- void
- ao_aes_set_mode(enum ao_aes_mode mode)
-@@ -389,10 +389,11 @@ ao_aes_run(__xdata uint8_t *in,
- __xdata uint8_t *out)
- {
- uint8_t i;
-+ uint8_t *_iv = (uint8_t *) iv;
-
- for (i = 0; i < 16; i++)
-- iv[i] ^= in[i];
-- xrijndaelEncrypt((word32 *) iv, &rkk);
-+ _iv[i] ^= in[i];
-+ xrijndaelEncrypt(iv, &rkk);
- if (out)
- memcpy(out, iv, 16);
- }
-diff --git a/src/drivers/ao_gps_ublox.c b/src/drivers/ao_gps_ublox.c
-index 22af413a..c720f802 100644
---- a/src/drivers/ao_gps_ublox.c
-+++ b/src/drivers/ao_gps_ublox.c
-@@ -156,7 +156,7 @@ static char __xdata *ublox_target;
-
- static void ublox_u16(uint8_t offset)
- {
-- uint16_t __xdata *ptr = (uint16_t __xdata *) (ublox_target + offset);
-+ uint16_t __xdata *ptr = (uint16_t __xdata *) (void __xdata *) (ublox_target + offset);
- uint16_t val;
-
- val = data_byte();
-@@ -175,7 +175,7 @@ static void ublox_u8(uint8_t offset)
-
- static void ublox_u32(uint8_t offset) __reentrant
- {
-- uint32_t __xdata *ptr = (uint32_t __xdata *) (ublox_target + offset);
-+ uint32_t __xdata *ptr = (uint32_t __xdata *) (void __xdata *) (ublox_target + offset);
- uint32_t val;
-
- val = ((uint32_t) data_byte ());
-diff --git a/src/drivers/ao_trng_send.c b/src/drivers/ao_trng_send.c
-index 85034efd..b1227aaa 100644
---- a/src/drivers/ao_trng_send.c
-+++ b/src/drivers/ao_trng_send.c
-@@ -104,7 +104,7 @@ ao_trng_get_cooked(uint16_t *buf)
- {
- uint16_t i;
- uint16_t t;
-- uint32_t *rnd = (uint32_t *) ao_adc_ring;
-+ uint32_t *rnd = (uint32_t *) (void *) ao_adc_ring;
- uint8_t mismatch = 0;
-
- t = ao_adc_get(AO_USB_IN_SIZE) >> 1; /* one 16-bit value per output byte */
-diff --git a/src/kernel/ao_list.h b/src/kernel/ao_list.h
-index e2df6885..45a3df5b 100644
---- a/src/kernel/ao_list.h
-+++ b/src/kernel/ao_list.h
-@@ -138,7 +138,7 @@ ao_list_is_empty(struct ao_list *head)
- * @return A pointer to the data struct containing the list head.
- */
- #define ao_container_of(ptr, type, member) \
-- ((type *)((char *)(ptr) - offsetof(type, member)))
-+ ((type *)((void *) ((char *)(ptr) - offsetof(type, member))))
-
- /**
- * Alias of ao_container_of
-diff --git a/src/kernel/ao_pyro.c b/src/kernel/ao_pyro.c
-index c9920ab3..813e866a 100644
---- a/src/kernel/ao_pyro.c
-+++ b/src/kernel/ao_pyro.c
-@@ -437,7 +437,7 @@ ao_pyro_show(void)
- if (ao_pyro_values[v].flag & AO_PYRO_8_BIT_VALUE)
- value = *((uint8_t *) ((char *) pyro + ao_pyro_values[v].offset));
- else
-- value = *((int16_t *) ((char *) pyro + ao_pyro_values[v].offset));
-+ value = *((int16_t *) (void *) ((char *) pyro + ao_pyro_values[v].offset));
- printf ("%6d ", value);
- } else {
- printf (" ");
-@@ -516,7 +516,7 @@ ao_pyro_set(void)
- } else {
- if (negative)
- ao_cmd_lex_i = -ao_cmd_lex_i;
-- *((int16_t *) ((char *) &pyro_tmp + ao_pyro_values[v].offset)) = ao_cmd_lex_i;
-+ *((int16_t *) (void *) ((char *) &pyro_tmp + ao_pyro_values[v].offset)) = ao_cmd_lex_i;
- }
- }
- }
-diff --git a/src/kernel/ao_task.h b/src/kernel/ao_task.h
-index f1dbd654..30b018ff 100644
---- a/src/kernel/ao_task.h
-+++ b/src/kernel/ao_task.h
-@@ -26,6 +26,17 @@
- #define HAS_TASK_INFO 1
- #endif
-
-+/* arm stacks must be 32-bit aligned */
-+#ifdef __arm__
-+#define AO_STACK_ALIGNMENT __attribute__ ((aligned(4)))
-+#endif
-+#ifdef SDCC
-+#define AO_STACK_ALIGNMENT
-+#endif
-+#ifdef __AVR__
-+#define AO_STACK_ALIGNMENT
-+#endif
-+
- /* An AltOS task */
- struct ao_task {
- __xdata void *wchan; /* current wait channel (NULL if running) */
-@@ -37,7 +48,7 @@ struct ao_task {
- struct ao_list queue;
- struct ao_list alarm_queue;
- #endif
-- uint8_t stack[AO_STACK_SIZE]; /* saved stack */
-+ uint8_t stack[AO_STACK_SIZE] AO_STACK_ALIGNMENT; /* saved stack */
- #if HAS_SAMPLE_PROFILE
- uint32_t ticks;
- uint32_t yields;
-diff --git a/src/stm/Makefile.defs b/src/stm/Makefile.defs
-index c3d2707f..0ba86f5a 100644
---- a/src/stm/Makefile.defs
-+++ b/src/stm/Makefile.defs
-@@ -27,7 +27,7 @@ LIBS=$(PDCLIB_LIBS_M3) -lgcc
- WARN_FLAGS=-Wall -Wextra -Werror
-
- AO_CFLAGS=-I. -I../stm -I../kernel -I../drivers -I../math -I.. $(PDCLIB_INCLUDES)
--STM_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m3 -mthumb \
-+STM_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m3 -mthumb -Wcast-align \
- -ffreestanding -nostdlib $(AO_CFLAGS) $(WARN_FLAGS)
-
- LDFLAGS=-L../stm -Wl,-Taltos.ld
-diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h
-index 18ca20da..a9d0fa34 100644
---- a/src/stm/ao_arch_funcs.h
-+++ b/src/stm/ao_arch_funcs.h
-@@ -375,7 +375,7 @@ ao_arch_irq_check(void) {
- static inline void
- ao_arch_init_stack(struct ao_task *task, void *start)
- {
-- uint32_t *sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
-+ uint32_t *sp = (uint32_t *) ((void*) task->stack + AO_STACK_SIZE);
- uint32_t a = (uint32_t) start;
- int i;
-
-@@ -413,16 +413,11 @@ static inline void ao_arch_save_stack(void) {
- uint32_t *sp;
- asm("mov %0,sp" : "=&r" (sp) );
- ao_cur_task->sp = (sp);
-- if ((uint8_t *) sp < &ao_cur_task->stack[0])
-- ao_panic (AO_PANIC_STACK);
- }
-
- static inline void ao_arch_restore_stack(void) {
-- uint32_t sp;
-- sp = (uint32_t) ao_cur_task->sp;
--
- /* Switch stacks */
-- asm("mov sp, %0" : : "r" (sp) );
-+ asm("mov sp, %0" : : "r" (ao_cur_task->sp) );
-
- /* Restore PRIMASK */
- asm("pop {r0}");
-diff --git a/src/stm/ao_eeprom_stm.c b/src/stm/ao_eeprom_stm.c
-index 05f880b8..4f477122 100644
---- a/src/stm/ao_eeprom_stm.c
-+++ b/src/stm/ao_eeprom_stm.c
-@@ -83,7 +83,7 @@ ao_intflash_write32(uint16_t pos, uint32_t w)
- {
- volatile uint32_t *addr;
-
-- addr = (uint32_t *) (stm_eeprom + pos);
-+ addr = (uint32_t *) (void *) (stm_eeprom + pos);
-
- /* Write a word to a valid address in the data EEPROM */
- *addr = w;
-@@ -96,7 +96,7 @@ ao_intflash_write8(uint16_t pos, uint8_t d)
- uint32_t w, *addr, mask;
- uint8_t shift;
-
-- addr = (uint32_t *) (stm_eeprom + (pos & ~3));
-+ addr = (uint32_t *) (void *) (stm_eeprom + (pos & ~3));
-
- /* Compute word to be written */
- shift = (pos & 3) << 3;
-diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
-index f2b8ea94..9d72844e 100644
---- a/src/stm/ao_usb_stm.c
-+++ b/src/stm/ao_usb_stm.c
-@@ -139,7 +139,7 @@ static inline uint32_t set_toggle(uint32_t current_value,
-
- static inline uint32_t *ao_usb_packet_buffer_addr(uint16_t sram_addr)
- {
-- return (uint32_t *) (stm_usb_sram + 2 * sram_addr);
-+ return (uint32_t *) (((void *) ((uint8_t *) stm_usb_sram + 2 * sram_addr)));
- }
-
- static inline uint32_t ao_usb_epr_stat_rx(uint32_t epr) {
-diff --git a/src/stm/stm32l.h b/src/stm/stm32l.h
-index 463125e2..be1e1d65 100644
---- a/src/stm/stm32l.h
-+++ b/src/stm/stm32l.h
-@@ -1961,7 +1961,7 @@ union stm_usb_bdt {
-
- #define STM_USB_BDT_SIZE 8
-
--extern uint8_t stm_usb_sram[];
-+extern uint8_t stm_usb_sram[] __attribute__ ((aligned(4)));
-
- struct stm_exti {
- vuint32_t imr;
-diff --git a/src/stmf0/Makefile-stmf0.defs b/src/stmf0/Makefile-stmf0.defs
-index 4862f46e..f3296b69 100644
---- a/src/stmf0/Makefile-stmf0.defs
-+++ b/src/stmf0/Makefile-stmf0.defs
-@@ -25,7 +25,7 @@ endif
- ELFTOHEX=$(TOPDIR)/../ao-tools/ao-elftohex/ao-elftohex
- CC=$(ARM_CC)
-
--WARN_FLAGS=-Wall -Wextra -Werror
-+WARN_FLAGS=-Wall -Wextra -Werror -Wcast-align
-
- AO_CFLAGS=-I. -I$(TOPDIR)/stmf0 -I$(TOPDIR)/kernel -I$(TOPDIR)/drivers -I$(TOPDIR)/product -I$(TOPDIR) -I$(TOPDIR)/math $(PDCLIB_INCLUDES)
- STMF0_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m0 -mthumb\
-diff --git a/src/stmf0/ao_adc_fast.h b/src/stmf0/ao_adc_fast.h
-index b8b5e003..3f0b0547 100644
---- a/src/stmf0/ao_adc_fast.h
-+++ b/src/stmf0/ao_adc_fast.h
-@@ -28,7 +28,7 @@ ao_adc_init(void);
- /* Total ring size in samples */
- #define AO_ADC_RING_SIZE 256
-
--extern uint16_t ao_adc_ring[AO_ADC_RING_SIZE];
-+extern uint16_t ao_adc_ring[AO_ADC_RING_SIZE] __attribute__((aligned(4)));
-
- #define ao_adc_ring_step(pos,inc) (((pos) + (inc)) & (AO_ADC_RING_SIZE - 1))
-
-diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h
-index 8b6234c4..0cb0e43d 100644
---- a/src/stmf0/ao_arch_funcs.h
-+++ b/src/stmf0/ao_arch_funcs.h
-@@ -355,7 +355,7 @@ ao_arch_memory_barrier() {
- static inline void
- ao_arch_init_stack(struct ao_task *task, void *start)
- {
-- uint32_t *sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
-+ uint32_t *sp = (uint32_t *) ((void *) task->stack + AO_STACK_SIZE);
- uint32_t a = (uint32_t) start;
- int i;
-
-diff --git a/src/stmf0/ao_usb_stm.c b/src/stmf0/ao_usb_stm.c
-index cbedb996..652b3b6c 100644
---- a/src/stmf0/ao_usb_stm.c
-+++ b/src/stmf0/ao_usb_stm.c
-@@ -185,7 +185,7 @@ static inline uint32_t set_toggle(uint32_t current_value,
-
- static inline uint16_t *ao_usb_packet_buffer_addr(uint16_t sram_addr)
- {
-- return (uint16_t *) (stm_usb_sram + sram_addr);
-+ return (uint16_t *) (void *) (stm_usb_sram + sram_addr);
- }
-
- static inline uint16_t ao_usb_packet_buffer_offset(uint16_t *addr)
-diff --git a/src/stmf0/stm32f0.h b/src/stmf0/stm32f0.h
-index 054200e0..bafa763a 100644
---- a/src/stmf0/stm32f0.h
-+++ b/src/stmf0/stm32f0.h
-@@ -1996,7 +1996,7 @@ union stm_usb_bdt {
-
- #define STM_USB_BDT_SIZE 8
-
--extern uint8_t stm_usb_sram[];
-+extern uint8_t stm_usb_sram[] __attribute__((aligned(4)));
-
- struct stm_exti {
- vuint32_t imr;
+++ /dev/null
-diff --git a/ao-tools/ao-elftohex/ao-elftohex.c b/ao-tools/ao-elftohex/ao-elftohex.c
-index 265908c5..f3ab0c38 100644
---- a/ao-tools/ao-elftohex/ao-elftohex.c
-+++ b/ao-tools/ao-elftohex/ao-elftohex.c
-@@ -19,6 +19,7 @@
- #include <getopt.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <unistd.h>
- #include "ao-hex.h"
- #include "ao-elf.h"
- #include "ao-verbose.h"
-diff --git a/ao-tools/ao-flash/ao-flash-lpc b/ao-tools/ao-flash/ao-flash-lpc
-index 7ac5b523..9e1d1cdb 100755
---- a/ao-tools/ao-flash/ao-flash-lpc
-+++ b/ao-tools/ao-flash/ao-flash-lpc
-@@ -8,9 +8,9 @@ esac
- cmds=/tmp/flash$$
- trap "rm $cmds" 0 1 15
- file="$1"
--echo "program $file verify reset" > $cmds
-+echo "program $file reset" > $cmds
- openocd \
- -f interface/stlink-v2.cfg \
-- -f target/lpc11u14.cfg \
-+ -f target/lpc11xx.cfg \
- -f $cmds \
- -c shutdown
-diff --git a/ao-tools/lib/ao-elf.c b/ao-tools/lib/ao-elf.c
-index c44102f8..cc127b62 100644
---- a/ao-tools/lib/ao-elf.c
-+++ b/ao-tools/lib/ao-elf.c
-@@ -186,6 +186,7 @@ load_write(struct ao_hex_image *from, uint32_t address, uint32_t length, void *d
- return new;
- }
-
-+#define DBG 0
- /*
- * Construct a large in-memory block for all
- * of the loaded sections of the program
-@@ -202,7 +203,7 @@ get_load(Elf *e)
- GElf_Phdr phdr;
- GElf_Addr sh_paddr;
- struct ao_hex_image *load = NULL;
--#if 0
-+#if DBG
- char *section_name;
- #endif
- size_t nshdr;
-@@ -231,7 +232,7 @@ get_load(Elf *e)
-
- /* Get the associated file section */
-
--#if 0
-+#if DBG
- fprintf (stderr, "offset %08x vaddr %08x paddr %08x filesz %08x memsz %08x\n",
- (uint32_t) phdr.p_offset,
- (uint32_t) phdr.p_vaddr,
-@@ -252,18 +253,16 @@ get_load(Elf *e)
- abort();
- }
-
--#if 0
-+#if DBG
- section_name = elf_strptr(e, shstrndx, shdr.sh_name);
- #endif
-
-- if (phdr.p_offset <= shdr.sh_offset && shdr.sh_offset < phdr.p_offset + phdr.p_filesz) {
--
-- if (shdr.sh_size == 0)
-- continue;
--
-+ if (shdr.sh_size != 0 && shdr.sh_type != SHT_NOBITS && (shdr.sh_flags & SHF_ALLOC) &&
-+ phdr.p_offset <= shdr.sh_offset && shdr.sh_offset < phdr.p_offset + phdr.p_filesz)
-+ {
- sh_paddr = phdr.p_paddr + shdr.sh_offset - phdr.p_offset;
-
--#if 0
-+#if DBG
- fprintf (stderr, "\tsize %08x rom %08x exec %08x %s\n",
- (uint32_t) shdr.sh_size,
- (uint32_t) sh_paddr,
-diff --git a/src/lpc/Makefile.defs b/src/lpc/Makefile.defs
-index b6d739c2..5bb8133d 100644
---- a/src/lpc/Makefile.defs
-+++ b/src/lpc/Makefile.defs
-@@ -5,7 +5,7 @@ endif
- include $(TOPDIR)/lpc/Makefile-lpc.defs
- include $(TOPDIR)/Makedefs
-
--LDFLAGS=$(CFLAGS) -L$(TOPDIR)/lpc -Wl,-Taltos.ld
-+LDFLAGS=$(CFLAGS) -L$(TOPDIR)/lpc -Wl,-Taltos.ld -n
-
- ao_serial_lpc.h: $(TOPDIR)/lpc/baud_rate ao_pins.h
- nickle $(TOPDIR)/lpc/baud_rate `awk '/AO_LPC_CLKOUT/{print $$3}' ao_pins.h` > $@
-diff --git a/src/stmf0/Makefile.defs b/src/stmf0/Makefile.defs
-index a1d93eb5..3da42874 100644
---- a/src/stmf0/Makefile.defs
-+++ b/src/stmf0/Makefile.defs
-@@ -4,6 +4,6 @@ endif
-
- include $(TOPDIR)/stmf0/Makefile-stmf0.defs
-
--LDFLAGS=$(CFLAGS) -L$(TOPDIR)/stmf0 -Wl,-Taltos.ld
-+LDFLAGS=$(CFLAGS) -L$(TOPDIR)/stmf0 -Wl,-Taltos.ld -n
-
- .DEFAULT_GOAL=all
-diff --git a/src/telegps-v0.3/Makefile b/src/telegps-v0.3/Makefile
-index 1eaf7c47..834609d9 100644
---- a/src/telegps-v0.3/Makefile
-+++ b/src/telegps-v0.3/Makefile
-@@ -67,8 +67,6 @@ OBJ=$(SRC:.c=.o)
-
- all: $(PROG) $(HEX)
-
--LDFLAGS=-L../lpc -Wl,-Taltos.ld
--
- $(PROG): Makefile $(OBJ) altos.ld
- $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) $(LIBS)
-
-diff --git a/src/telegps-v1.0/Makefile b/src/telegps-v1.0/Makefile
-index bd13cfe7..76dc0371 100644
---- a/src/telegps-v1.0/Makefile
-+++ b/src/telegps-v1.0/Makefile
-@@ -70,8 +70,6 @@ OBJ=$(SRC:.c=.o)
-
- all: $(PROG) $(HEX)
-
--LDFLAGS=-L../lpc -Wl,-Taltos.ld
--
- $(PROG): Makefile $(OBJ) altos.ld
- $(call quiet,CC) $(LDFLAGS) $(CFLAGS) -o $(PROG) $(OBJ) $(LIBS)
-
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