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Add support for the Z180 MMU and generic hooks for processes

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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5428 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-12-11 18:04:04 +00:00
parent 97ddd5100f
commit 7978ac907b
20 changed files with 1056 additions and 110 deletions
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nuttx/include/nuttx/arch.h
+128 -42
View File
@@ -67,10 +67,8 @@ typedef CODE void (*sig_deliver_t)(FAR _TCB *tcb);
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
extern "C"
{
#endif
/****************************************************************************
@@ -98,7 +96,7 @@ extern "C" {
*
****************************************************************************/
EXTERN void up_initialize(void);
void up_initialize(void);
/****************************************************************************
* Name: up_idle
@@ -114,7 +112,7 @@ EXTERN void up_initialize(void);
*
****************************************************************************/
EXTERN void up_idle(void);
void up_idle(void);
/****************************************************************************
* Name: up_initial_state
@@ -130,7 +128,7 @@ EXTERN void up_idle(void);
*
****************************************************************************/
EXTERN void up_initial_state(FAR _TCB *tcb);
void up_initial_state(FAR _TCB *tcb);
/****************************************************************************
* Name: up_create_stack
@@ -155,7 +153,7 @@ EXTERN void up_initial_state(FAR _TCB *tcb);
****************************************************************************/
#ifndef CONFIG_CUSTOM_STACK
EXTERN int up_create_stack(FAR _TCB *tcb, size_t stack_size);
int up_create_stack(FAR _TCB *tcb, size_t stack_size);
#endif
/****************************************************************************
@@ -180,7 +178,7 @@ EXTERN int up_create_stack(FAR _TCB *tcb, size_t stack_size);
****************************************************************************/
#ifndef CONFIG_CUSTOM_STACK
EXTERN int up_use_stack(FAR _TCB *tcb, FAR void *stack, size_t stack_size);
int up_use_stack(FAR _TCB *tcb, FAR void *stack, size_t stack_size);
#endif
/****************************************************************************
@@ -193,7 +191,7 @@ EXTERN int up_use_stack(FAR _TCB *tcb, FAR void *stack, size_t stack_size);
****************************************************************************/
#ifndef CONFIG_CUSTOM_STACK
EXTERN void up_release_stack(FAR _TCB *dtcb);
void up_release_stack(FAR _TCB *dtcb);
#endif
/****************************************************************************
@@ -216,7 +214,7 @@ EXTERN void up_release_stack(FAR _TCB *dtcb);
*
****************************************************************************/
EXTERN void up_unblock_task(FAR _TCB *tcb);
void up_unblock_task(FAR _TCB *tcb);
/****************************************************************************
* Name: up_block_task
@@ -242,7 +240,7 @@ EXTERN void up_unblock_task(FAR _TCB *tcb);
*
****************************************************************************/
EXTERN void up_block_task(FAR _TCB *tcb, tstate_t task_state);
void up_block_task(FAR _TCB *tcb, tstate_t task_state);
/****************************************************************************
* Name: up_release_pending
@@ -261,7 +259,7 @@ EXTERN void up_block_task(FAR _TCB *tcb, tstate_t task_state);
*
****************************************************************************/
EXTERN void up_release_pending(void);
void up_release_pending(void);
/****************************************************************************
* Name: up_reprioritize_rtr
@@ -287,7 +285,7 @@ EXTERN void up_release_pending(void);
*
****************************************************************************/
EXTERN void up_reprioritize_rtr(FAR _TCB *tcb, uint8_t priority);
void up_reprioritize_rtr(FAR _TCB *tcb, uint8_t priority);
/****************************************************************************
* Name: _exit
@@ -349,7 +347,7 @@ EXTERN void up_reprioritize_rtr(FAR _TCB *tcb, uint8_t priority);
****************************************************************************/
#ifndef CONFIG_DISABLE_SIGNALS
EXTERN void up_schedule_sigaction(FAR _TCB *tcb, sig_deliver_t sigdeliver);
void up_schedule_sigaction(FAR _TCB *tcb, sig_deliver_t sigdeliver);
#endif
/****************************************************************************
@@ -363,7 +361,7 @@ EXTERN void up_schedule_sigaction(FAR _TCB *tcb, sig_deliver_t sigdeliver);
****************************************************************************/
#ifndef CONFIG_HEAP_BASE
EXTERN void up_allocate_heap(FAR void **heap_start, size_t *heap_size);
void up_allocate_heap(FAR void **heap_start, size_t *heap_size);
#endif
/****************************************************************************
@@ -382,6 +380,95 @@ EXTERN void up_allocate_heap(FAR void **heap_start, size_t *heap_size);
# define up_getpicbase(ppicbase)
#endif
/****************************************************************************
* Name: up_addrenv_create
*
* Description:
* This function is called from the binary loader logic when a new
* task is created in RAM in order to instantiate an address environment for
* the task.
*
* Input Parameters:
* tcb - The TCB of the task needing the address environment.
* envsize - The size (in bytes) of the address environment needed by the
* task.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ADDRENV
int up_addrenv_create(FAR _TCB *tcb, size_t envsize);
#endif
/****************************************************************************
* Name: up_addrenv_clone
*
* Description:
* This function is called from the core scheduler logic when a thread
* is created that needs to share the address ennvironment of its parent
* task. In this case, the parent's address environment needs to be
* "cloned" for the child.
*
* Input Parameters:
* ptcb - The TCB of the parent task that has the address environment.
* ctcb - The TCB of the child thread needing the address environment.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ADDRENV
int up_addrenv_clone(FAR const _TCB *ptcb, FAR _TCB *ctcb);
#endif
/****************************************************************************
* Name: up_addrenv_instantiate
*
* Description:
* After an address environment has been established for a task (via
* up_addrenv_create(). This function may be called to to instantiate
* that address environment in the virtual address space. this might be
* necessary, for example, to load the code for the task from a file or
* to access address environment private data.
*
* Input Parameters:
* tcb - The TCB of the task or thread whose the address environment will
* be instantiated.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ADDRENV
int up_addrenv_instantiate(FAR _TCB *tcb);
#endif
/****************************************************************************
* Name: up_addrenv_release
*
* Description:
* This function is called when a task or thread exits in order to release
* its reference to an address environment. When there are no further
* references to an address environment, that address environment should
* be destroyed.
*
* Input Parameters:
* tcb - The TCB of the task or thread whose the address environment will
* be released.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_ADDRENV
int up_addrenv_release(FAR _TCB *tcb);
#endif
/****************************************************************************
* Name: up_interrupt_context
*
@@ -391,7 +478,7 @@ EXTERN void up_allocate_heap(FAR void **heap_start, size_t *heap_size);
*
****************************************************************************/
EXTERN bool up_interrupt_context(void);
bool up_interrupt_context(void);
/****************************************************************************
* Name: up_enable_irq
@@ -413,7 +500,7 @@ EXTERN bool up_interrupt_context(void);
****************************************************************************/
#ifndef CONFIG_ARCH_NOINTC
EXTERN void up_enable_irq(int irq);
void up_enable_irq(int irq);
#endif
/****************************************************************************
@@ -431,7 +518,7 @@ EXTERN void up_enable_irq(int irq);
****************************************************************************/
#ifndef CONFIG_ARCH_NOINTC
EXTERN void up_disable_irq(int irq);
void up_disable_irq(int irq);
#endif
/****************************************************************************
@@ -446,7 +533,7 @@ EXTERN void up_disable_irq(int irq);
****************************************************************************/
#ifdef CONFIG_ARCH_IRQPRIO
EXTERN int up_prioritize_irq(int irq, int priority);
int up_prioritize_irq(int irq, int priority);
#endif
/****************************************************************************
@@ -483,7 +570,7 @@ EXTERN int up_prioritize_irq(int irq, int priority);
****************************************************************************/
#ifdef CONFIG_ARCH_ROMGETC
EXTERN char up_romgetc(FAR const char *ptr);
char up_romgetc(FAR const char *ptr);
#else
# define up_romgetc(ptr) (*ptr)
#endif
@@ -497,8 +584,8 @@ EXTERN char up_romgetc(FAR const char *ptr);
*
***************************************************************************/
EXTERN void up_mdelay(unsigned int milliseconds);
EXTERN void up_udelay(useconds_t microseconds);
void up_mdelay(unsigned int milliseconds);
void up_udelay(useconds_t microseconds);
/****************************************************************************
* Name: up_cxxinitialize
@@ -517,7 +604,7 @@ EXTERN void up_udelay(useconds_t microseconds);
***************************************************************************/
#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
EXTERN void up_cxxinitialize(void);
void up_cxxinitialize(void);
#endif
/****************************************************************************
@@ -537,7 +624,7 @@ EXTERN void up_cxxinitialize(void);
*
****************************************************************************/
EXTERN void sched_process_timer(void);
void sched_process_timer(void);
/****************************************************************************
* Name: irq_dispatch
@@ -549,7 +636,7 @@ EXTERN void sched_process_timer(void);
*
***************************************************************************/
EXTERN void irq_dispatch(int irq, FAR void *context);
void irq_dispatch(int irq, FAR void *context);
/****************************************************************************
* Board-specific button interfaces exported by the board-specific logic
@@ -571,7 +658,7 @@ EXTERN void irq_dispatch(int irq, FAR void *context);
****************************************************************************/
#ifdef CONFIG_ARCH_BUTTONS
EXTERN void up_buttoninit(void);
void up_buttoninit(void);
#endif
/****************************************************************************
@@ -592,7 +679,7 @@ EXTERN void up_buttoninit(void);
****************************************************************************/
#ifdef CONFIG_ARCH_BUTTONS
EXTERN uint8_t up_buttons(void);
uint8_t up_buttons(void);
#endif
/****************************************************************************
@@ -613,7 +700,7 @@ EXTERN uint8_t up_buttons(void);
****************************************************************************/
#ifdef CONFIG_ARCH_IRQBUTTONS
EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler);
xcpt_t up_irqbutton(int id, xcpt_t irqhandler);
#endif
/************************************************************************************
@@ -625,17 +712,17 @@ EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler);
************************************************************************************/
#ifdef CONFIG_ARCH_RELAYS
EXTERN void up_relaysinit(void);
EXTERN void relays_setstat(int relays, bool stat);
EXTERN bool relays_getstat(int relays);
EXTERN void relays_setstats(uint32_t relays_stat);
EXTERN uint32_t relays_getstats(void);
EXTERN void relays_onoff(int relays, uint32_t mdelay);
EXTERN void relays_onoffs(uint32_t relays_stat, uint32_t mdelay);
EXTERN void relays_resetmode(int relays);
EXTERN void relays_powermode(int relays);
EXTERN void relays_resetmodes(uint32_t relays_stat);
EXTERN void relays_powermodes(uint32_t relays_stat);
void up_relaysinit(void);
void relays_setstat(int relays, bool stat);
bool relays_getstat(int relays);
void relays_setstats(uint32_t relays_stat);
uint32_t relays_getstats(void);
void relays_onoff(int relays, uint32_t mdelay);
void relays_onoffs(uint32_t relays_stat, uint32_t mdelay);
void relays_resetmode(int relays);
void relays_powermode(int relays);
void relays_resetmodes(uint32_t relays_stat);
void relays_powermodes(uint32_t relays_stat);
#endif
/****************************************************************************
@@ -650,9 +737,8 @@ EXTERN void relays_powermodes(uint32_t relays_stat);
*
****************************************************************************/
EXTERN int up_putc(int ch);
int up_putc(int ch);
#undef EXTERN
#ifdef __cplusplus
}
#endif