arch: all: Remove not used struct _caller_saved
The struct _caller_saved is not used. Most architectures put automatically the registers onto stack, in others architectures the exception code does it. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
parent
d61c679d43
commit
4f99a38b06
12 changed files with 1 additions and 123 deletions
|
@ -12,7 +12,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -32,15 +31,6 @@
|
|||
#ifndef _ASMLANGUAGE
|
||||
#include <zephyr/types.h>
|
||||
|
||||
struct _caller_saved {
|
||||
/*
|
||||
* Saved on the stack as part of handling a regular IRQ or by the
|
||||
* kernel when calling the FIRQ return code.
|
||||
*/
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
struct _callee_saved {
|
||||
u32_t sp; /* r28 */
|
||||
};
|
||||
|
|
|
@ -12,8 +12,7 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
||||
|
@ -23,26 +22,6 @@
|
|||
#ifndef _ASMLANGUAGE
|
||||
#include <zephyr/types.h>
|
||||
|
||||
struct _caller_saved {
|
||||
/*
|
||||
* Unused for Cortex-M, which automatically saves the necessary
|
||||
* registers in its exception stack frame.
|
||||
*
|
||||
* For Cortex-A, this may be:
|
||||
*
|
||||
* u32_t a1; r0
|
||||
* u32_t a2; r1
|
||||
* u32_t a3; r2
|
||||
* u32_t a4; r3
|
||||
* u32_t ip; r12
|
||||
* u32_t lr; r14
|
||||
* u32_t pc; r15
|
||||
* u32_t xpsr;
|
||||
*/
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
struct _callee_saved {
|
||||
u32_t v1; /* r4 */
|
||||
u32_t v2; /* r5 */
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -23,15 +22,6 @@
|
|||
#ifndef _ASMLANGUAGE
|
||||
#include <zephyr/types.h>
|
||||
|
||||
struct _caller_saved {
|
||||
/*
|
||||
* Nothing here, the exception code puts all the caller-saved
|
||||
* registers onto the stack.
|
||||
*/
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
struct _callee_saved {
|
||||
/* General purpose callee-saved registers */
|
||||
u32_t r16;
|
||||
|
|
|
@ -13,7 +13,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -24,13 +23,6 @@
|
|||
#ifndef _ASMLANGUAGE
|
||||
#include <zephyr/types.h>
|
||||
|
||||
struct _caller_saved {
|
||||
/*
|
||||
* Nothing here
|
||||
*/
|
||||
};
|
||||
|
||||
|
||||
struct _callee_saved {
|
||||
/* IRQ status before irq_lock() and call to z_swap() */
|
||||
u32_t key;
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -45,15 +44,6 @@ struct _callee_saved {
|
|||
};
|
||||
typedef struct _callee_saved _callee_saved_t;
|
||||
|
||||
struct _caller_saved {
|
||||
/*
|
||||
* Nothing here, the exception code puts all the caller-saved
|
||||
* registers onto the stack.
|
||||
*/
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
struct _thread_arch {
|
||||
u32_t swap_return_value; /* Return value of z_swap() */
|
||||
};
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -37,32 +36,6 @@
|
|||
#ifndef _ASMLANGUAGE
|
||||
#include <stdint.h>
|
||||
|
||||
/*
|
||||
* The following structure defines the set of 'volatile' integer registers.
|
||||
* These registers need not be preserved by a called C function. Given that
|
||||
* they are not preserved across function calls, they must be save/restored
|
||||
* (along with the struct _caller_saved) when a preemptive context switch
|
||||
* occurs.
|
||||
*/
|
||||
|
||||
struct _caller_saved {
|
||||
|
||||
/*
|
||||
* The volatile registers 'eax', 'ecx' and 'edx' area not included in
|
||||
* the definition of 'tPreempReg' since the interrupt and exception
|
||||
* handling routunes use the stack to save and restore the values of
|
||||
* these registers in order to support interrupt nesting. The stubs
|
||||
* do _not_ copy the saved values from the stack into the TCS.
|
||||
*
|
||||
* unsigned long eax;
|
||||
* unsigned long ecx;
|
||||
* unsigned long edx;
|
||||
*/
|
||||
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
/*
|
||||
* The following structure defines the set of 'non-volatile' integer registers.
|
||||
* These registers must be preserved by a called C function. These are the
|
||||
|
|
|
@ -11,7 +11,6 @@
|
|||
* Zephyr thread struct. But we don't need that for this arch.
|
||||
*/
|
||||
|
||||
struct _caller_saved { };
|
||||
struct _callee_saved { };
|
||||
struct _thread_arch { };
|
||||
|
||||
|
|
|
@ -50,9 +50,6 @@ GEN_OFFSET_SYM(__esf_t, pc);
|
|||
/* size of the entire __esf_t structure */
|
||||
GEN_ABSOLUTE_SYM(____esf_t_SIZEOF, sizeof(__esf_t));
|
||||
|
||||
/* size of the entire preempt registers structure */
|
||||
GEN_ABSOLUTE_SYM(__tPreempt_SIZEOF, sizeof(_caller_saved_t));
|
||||
|
||||
/* size of the struct k_thread structure without save area for coproc regs */
|
||||
GEN_ABSOLUTE_SYM(_K_THREAD_NO_FLOAT_SIZEOF,
|
||||
sizeof(struct k_thread) - sizeof(tCoopCoprocReg) -
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -24,28 +23,6 @@
|
|||
#include <zephyr/types.h>
|
||||
#include <xtensa_context.h>
|
||||
|
||||
/*
|
||||
* The following structure defines the set of 'volatile' integer registers.
|
||||
* These registers need not be preserved by a called C function. Given that
|
||||
* they are not preserved across function calls, they must be save/restored
|
||||
* (along with the struct _caller_saved) when a preemptive context switch
|
||||
* occurs.
|
||||
*/
|
||||
|
||||
struct _caller_saved {
|
||||
|
||||
/*
|
||||
* The volatile registers area not included in the definition of
|
||||
* 'tPreempReg' since the interrupt stubs (_IntEnt/_IntExit)
|
||||
* and exception stubs (_ExcEnt/_ExcEnter) use the stack to save and
|
||||
* restore the values of these registers in order to support interrupt
|
||||
* nesting. The stubs do _not_ copy the saved values from the stack
|
||||
* into the k_thread.
|
||||
*/
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
/*
|
||||
* The following structure defines the set of 'non-volatile' integer registers.
|
||||
* These registers must be preserved by a called C function. These are the
|
||||
|
|
|
@ -513,8 +513,6 @@ struct k_thread {
|
|||
|
||||
struct _thread_base base;
|
||||
|
||||
/** defined by the architecture, but all archs need these */
|
||||
struct _caller_saved caller_saved;
|
||||
/** defined by the architecture, but all archs need these */
|
||||
struct _callee_saved callee_saved;
|
||||
|
||||
|
|
|
@ -55,7 +55,6 @@ GEN_OFFSET_SYM(_thread_base_t, preempt);
|
|||
GEN_OFFSET_SYM(_thread_base_t, swap_data);
|
||||
|
||||
GEN_OFFSET_SYM(_thread_t, base);
|
||||
GEN_OFFSET_SYM(_thread_t, caller_saved);
|
||||
GEN_OFFSET_SYM(_thread_t, callee_saved);
|
||||
GEN_OFFSET_SYM(_thread_t, arch);
|
||||
|
||||
|
|
|
@ -12,7 +12,6 @@
|
|||
*
|
||||
* struct _thread_arch
|
||||
* struct _callee_saved
|
||||
* struct _caller_saved
|
||||
*
|
||||
* necessary to instantiate instances of struct k_thread.
|
||||
*/
|
||||
|
@ -23,11 +22,6 @@
|
|||
|
||||
#ifndef _ASMLANGUAGE
|
||||
|
||||
struct _caller_saved {
|
||||
};
|
||||
|
||||
typedef struct _caller_saved _caller_saved_t;
|
||||
|
||||
struct _callee_saved {
|
||||
};
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue