Release 6.1.6
This commit is contained in:
Yuxin Zhou
@@ -8,33 +8,32 @@
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;/* and in the root directory of this software. */
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;/* */
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;/**************************************************************************/
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;
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;
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;/**************************************************************************/
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;/**************************************************************************/
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;/** */
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;/** ThreadX Component */
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;/** */
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;/** ThreadX Component */
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;/** */
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;/** Initialize */
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;/** */
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;/**************************************************************************/
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;/**************************************************************************/
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;
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.equ IRQ_SELECT, 0x40B
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.equ KSTACK_TOP, 0x264
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.equ KSTACK_BASE, 0x265
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.equ STATUS32_SC, 0x4000
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;
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;
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; /* Define section for placement after all linker allocated RAM memory. This
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; is used to calculate the first free address that is passed to
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; is used to calculate the first free address that is passed to
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; tx_appication_define, soley for the ThreadX application's use. */
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;
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.section ".free_memory","aw"
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.align 4
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.global _tx_first_free_address
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_tx_first_free_address:
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.space 4
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.space 4
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;
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; /* Define section for placement before the main stack area for setting
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; up the STACK_TOP address for hardware stack checking. */
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@@ -53,54 +52,55 @@ _tx_system_stack_top_address:
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.global _tx_system_stack_base_address
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_tx_system_stack_base_address:
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.space 4
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;
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;
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.text
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;/**************************************************************************/
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;/* */
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;/* FUNCTION RELEASE */
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;/* */
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;/**************************************************************************/
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;/* */
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;/* FUNCTION RELEASE */
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;/* */
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;/* _tx_initialize_low_level ARCv2_EM/MetaWare */
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;/* 6.1 */
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;/* 6.1.6 */
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;/* AUTHOR */
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;/* */
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;/* William E. Lamie, Microsoft Corporation */
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;/* */
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;/* DESCRIPTION */
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;/* */
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;/* This function is responsible for any low-level processor */
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;/* initialization, including setting up interrupt vectors, setting */
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;/* up a periodic timer interrupt source, saving the system stack */
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;/* pointer for use in ISR processing later, and finding the first */
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;/* available RAM memory address for tx_application_define. */
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;/* */
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;/* INPUT */
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;/* */
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;/* None */
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;/* */
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;/* OUTPUT */
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;/* */
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;/* None */
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;/* */
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;/* CALLS */
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;/* */
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;/* None */
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;/* */
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;/* CALLED BY */
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;/* */
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;/* _tx_initialize_kernel_enter ThreadX entry function */
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;/* */
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;/* RELEASE HISTORY */
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;/* */
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;/* */
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;/* This function is responsible for any low-level processor */
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;/* initialization, including setting up interrupt vectors, setting */
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;/* up a periodic timer interrupt source, saving the system stack */
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;/* pointer for use in ISR processing later, and finding the first */
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;/* available RAM memory address for tx_application_define. */
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;/* */
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;/* INPUT */
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;/* */
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;/* None */
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;/* */
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;/* OUTPUT */
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;/* */
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;/* None */
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;/* */
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;/* CALLS */
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;/* */
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;/* None */
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;/* */
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;/* CALLED BY */
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;/* */
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;/* _tx_initialize_kernel_enter ThreadX entry function */
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;/* */
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;/* RELEASE HISTORY */
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;/* */
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;/* DATE NAME DESCRIPTION */
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;/* */
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;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
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;/* 04-02-2021 Andres Mlinar Modified comments, */
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;/* resulting in version 6.1.6 */
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;/* */
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;/**************************************************************************/
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;VOID _tx_initialize_low_level(VOID)
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;{
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.global _tx_initialize_low_level
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.type _tx_initialize_low_level, @function
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.type _tx_initialize_low_level, @function
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_tx_initialize_low_level:
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.ifdef TX_ENABLE_HW_STACK_CHECKING
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@@ -130,7 +130,7 @@ _tx_initialize_low_level:
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;
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;
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; /* Setup Timer 0 for periodic interrupts at interrupt vector 16. */
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;
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;
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mov r0, 0 ; Disable additional ISR reg saving/restoring
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sr r0, [AUX_IRQ_CTRL] ;
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@@ -171,7 +171,7 @@ _tx_initialize_low_level:
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;
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; /* Define default vector table entries. */
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;
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.global _tx_memory_error
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.global _tx_memory_error
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_tx_memory_error:
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flag 1
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nop
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@@ -179,7 +179,7 @@ _tx_memory_error:
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nop
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b _tx_memory_error
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.global _tx_instruction_error
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.global _tx_instruction_error
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_tx_instruction_error:
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flag 1
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nop
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@@ -187,7 +187,7 @@ _tx_instruction_error:
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nop
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b _tx_instruction_error
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.global _tx_ev_machine_check
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.global _tx_ev_machine_check
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_tx_ev_machine_check:
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flag 1
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nop
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@@ -195,7 +195,7 @@ _tx_ev_machine_check:
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nop
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b _tx_ev_machine_check
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.global _tx_ev_tblmiss_inst
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.global _tx_ev_tblmiss_inst
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_tx_ev_tblmiss_inst:
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flag 1
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nop
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@@ -203,7 +203,7 @@ _tx_ev_tblmiss_inst:
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nop
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b _tx_ev_tblmiss_inst
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.global _tx_ev_tblmiss_data
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.global _tx_ev_tblmiss_data
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_tx_ev_tblmiss_data:
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flag 1
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nop
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@@ -211,7 +211,7 @@ _tx_ev_tblmiss_data:
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nop
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b _tx_ev_tblmiss_data
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.global _tx_ev_protection_viol
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.global _tx_ev_protection_viol
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_tx_ev_protection_viol:
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flag 1
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nop
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@@ -219,7 +219,7 @@ _tx_ev_protection_viol:
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nop
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b _tx_ev_protection_viol
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.global _tx_ev_privilege_viol
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.global _tx_ev_privilege_viol
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_tx_ev_privilege_viol:
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flag 1
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nop
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@@ -227,7 +227,7 @@ _tx_ev_privilege_viol:
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nop
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b _tx_ev_privilege_viol
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.global _tx_ev_software_int
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.global _tx_ev_software_int
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_tx_ev_software_int:
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flag 1
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nop
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@@ -235,7 +235,7 @@ _tx_ev_software_int:
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nop
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b _tx_ev_software_int
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.global _tx_ev_trap
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.global _tx_ev_trap
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_tx_ev_trap:
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flag 1
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nop
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@@ -243,7 +243,7 @@ _tx_ev_trap:
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nop
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b _tx_ev_trap
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.global _tx_ev_extension
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.global _tx_ev_extension
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_tx_ev_extension:
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flag 1
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nop
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@@ -251,7 +251,7 @@ _tx_ev_extension:
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nop
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b _tx_ev_extension
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.global _tx_ev_divide_by_zero
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.global _tx_ev_divide_by_zero
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_tx_ev_divide_by_zero:
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flag 1
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nop
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@@ -259,7 +259,7 @@ _tx_ev_divide_by_zero:
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nop
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b _tx_ev_divide_by_zero
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.global _tx_ev_dc_error
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.global _tx_ev_dc_error
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_tx_ev_dc_error:
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flag 1
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nop
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@@ -267,7 +267,7 @@ _tx_ev_dc_error:
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nop
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b _tx_ev_dc_error
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.global _tx_ev_maligned
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.global _tx_ev_maligned
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_tx_ev_maligned:
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flag 1
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nop
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@@ -275,7 +275,7 @@ _tx_ev_maligned:
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nop
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b _tx_ev_maligned
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.global _tx_unsued_0
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.global _tx_unsued_0
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_tx_unsued_0:
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flag 1
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nop
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@@ -283,7 +283,7 @@ _tx_unsued_0:
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nop
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b _tx_unsued_0
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.global _tx_unused_1
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.global _tx_unused_1
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_tx_unused_1:
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flag 1
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nop
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@@ -291,7 +291,7 @@ _tx_unused_1:
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nop
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b _tx_unused_1
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.global _tx_timer_0
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.global _tx_timer_0
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_tx_timer_0:
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;
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; /* By default, setup Timer 0 as the ThreadX timer interrupt. */
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@@ -311,7 +311,7 @@ _tx_timer_0:
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; nop
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; b _tx_timer_0
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.global _tx_timer_1
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.global _tx_timer_1
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_tx_timer_1:
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sub sp, sp, 160 ; Allocate an interrupt stack frame
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st blink, [sp, 16] ; Save blink
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@@ -333,7 +333,7 @@ _tx_timer_1:
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; nop
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; b _tx_timer_1
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.global _tx_undefined_0
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.global _tx_undefined_0
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_tx_undefined_0:
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flag 1
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nop
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@@ -341,7 +341,7 @@ _tx_undefined_0:
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nop
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b _tx_undefined_0
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.global _tx_undefined_1
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.global _tx_undefined_1
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_tx_undefined_1:
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flag 1
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nop
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@@ -349,7 +349,7 @@ _tx_undefined_1:
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nop
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b _tx_undefined_1
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.global _tx_undefined_2
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.global _tx_undefined_2
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_tx_undefined_2:
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flag 1
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nop
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@@ -8,77 +8,70 @@
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;/* and in the root directory of this software. */
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;/* */
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;/**************************************************************************/
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;
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;
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||||
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;/**************************************************************************/
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;/**************************************************************************/
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;/** */
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;/** ThreadX Component */
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;/** */
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;/** ThreadX Component */
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;/** */
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;/** Thread */
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;/** */
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;/**************************************************************************/
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;/**************************************************************************/
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;
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;
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;#define TX_SOURCE_CODE
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;
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.equ BTA, 0x412
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.equ KSTACK_TOP, 0x264
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.equ KSTACK_BASE, 0x265
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.equ STATUS32_SC, 0x4000
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;
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;/* Include necessary system files. */
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;
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;#include "tx_api.h"
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;#include "tx_thread.h"
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;#include "tx_timer.h"
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;
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;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_context_restore ARCv2_EM/MetaWare */
|
||||
;/* 6.1 */
|
||||
;/* 6.1.6 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* This function restores the interrupt context if it is processing a */
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;/* nested interrupt. If not, it returns to the interrupt thread if no */
|
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;/* preemption is necessary. Otherwise, if preemption is necessary or */
|
||||
;/* if no thread was running, the function returns to the scheduler. */
|
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;/* */
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;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* _tx_thread_schedule Thread scheduling routine */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* ISRs Interrupt Service Routines */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function restores the interrupt context if it is processing a */
|
||||
;/* nested interrupt. If not, it returns to the interrupt thread if no */
|
||||
;/* preemption is necessary. Otherwise, if preemption is necessary or */
|
||||
;/* if no thread was running, the function returns to the scheduler. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* _tx_thread_schedule Thread scheduling routine */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* ISRs Interrupt Service Routines */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
;/* 04-02-2021 Andres Mlinar Modified comment(s), and */
|
||||
;/* r25/r30 are caller saved, */
|
||||
;/* resulting in version 6.1.6 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_context_restore(VOID)
|
||||
;{
|
||||
.global _tx_thread_context_restore
|
||||
.type _tx_thread_context_restore, @function
|
||||
.type _tx_thread_context_restore, @function
|
||||
_tx_thread_context_restore:
|
||||
;
|
||||
; /* Note: it is assumed that the stack pointer is in the same position now as
|
||||
@@ -109,7 +102,7 @@ _tx_thread_context_restore:
|
||||
;
|
||||
; /* Interrupts are nested. */
|
||||
;
|
||||
; /* Just recover the saved registers and return to the point of
|
||||
; /* Just recover the saved registers and return to the point of
|
||||
; interrupt. */
|
||||
;
|
||||
|
||||
@@ -119,7 +112,7 @@ __tx_thread_nested_restore:
|
||||
sr r0, [LP_START] ; Restore LP_START
|
||||
ld r1, [sp, 8] ; Recover LP_END
|
||||
sr r1, [LP_END] ; Restore LP_END
|
||||
ld r2, [sp, 12] ; Recover LP_COUNT
|
||||
ld r2, [sp, 12] ; Recover LP_COUNT
|
||||
mov LP_COUNT, r2
|
||||
ld r2, [sp, 156] ; Pickup BTA
|
||||
sr r2, [BTA] ; Recover BTA
|
||||
@@ -128,6 +121,7 @@ __tx_thread_nested_restore:
|
||||
ld r59, [sp, 144] ; Recover r59
|
||||
.endif
|
||||
ld blink, [sp, 16] ; Recover blink
|
||||
ld r25, [sp, 32] ; Recover r25
|
||||
ld r12, [sp, 84] ; Recover r12
|
||||
ld r11, [sp, 88] ; Recover r11
|
||||
ld r10, [sp, 92] ; Recover r10
|
||||
@@ -140,8 +134,9 @@ __tx_thread_nested_restore:
|
||||
ld r3, [sp, 120] ; Recover r3
|
||||
ld r2, [sp, 124] ; Recover r2
|
||||
ld r1, [sp, 128] ; Recover r1
|
||||
ld r0, [sp, 132] ; Recover r0
|
||||
add sp, sp, 160 ; Recover interrupt stack frame
|
||||
ld r0, [sp, 132] ; Recover r0
|
||||
ld r30, [sp, 136] ; Recover r30
|
||||
add sp, sp, 160 ; Recover interrupt stack frame
|
||||
rtie ; Return from interrupt
|
||||
;
|
||||
;
|
||||
@@ -149,7 +144,7 @@ __tx_thread_nested_restore:
|
||||
__tx_thread_not_nested_restore:
|
||||
;
|
||||
; /* Determine if a thread was interrupted and no preemption is required. */
|
||||
; else if (((_tx_thread_current_ptr) && (_tx_thread_current_ptr == _tx_thread_execute_ptr)
|
||||
; else if (((_tx_thread_current_ptr) && (_tx_thread_current_ptr == _tx_thread_execute_ptr)
|
||||
; || (_tx_thread_preempt_disable))
|
||||
; {
|
||||
;
|
||||
@@ -207,6 +202,7 @@ __tx_thread_no_preempt_restore:
|
||||
ld r59, [sp, 144] ; Recover r59
|
||||
.endif
|
||||
ld blink, [sp, 16] ; Recover blink
|
||||
ld r25, [sp, 32] ; Recover r25
|
||||
ld r12, [sp, 84] ; Recover r12
|
||||
ld r11, [sp, 88] ; Recover r11
|
||||
ld r10, [sp, 92] ; Recover r10
|
||||
@@ -220,6 +216,7 @@ __tx_thread_no_preempt_restore:
|
||||
ld r2, [sp, 124] ; Recover r2
|
||||
ld r1, [sp, 128] ; Recover r1
|
||||
ld r0, [sp, 132] ; Recover r0
|
||||
ld r30, [sp, 136] ; Recover r30
|
||||
add sp, sp, 160 ; Recover interrupt stack frame
|
||||
rtie ; Return from interrupt
|
||||
;
|
||||
|
||||
@@ -8,76 +8,68 @@
|
||||
;/* and in the root directory of this software. */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** Thread */
|
||||
;/** */
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
|
||||
.equ BTA, 0x412
|
||||
.equ KSTACK_TOP, 0x264
|
||||
.equ KSTACK_BASE, 0x265
|
||||
.equ STATUS32_SC, 0x4000
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;#include "tx_timer.h"
|
||||
;
|
||||
;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_context_save ARCv2_EM/MetaWare */
|
||||
;/* 6.1 */
|
||||
;/* 6.1.6 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* This function saves the context of an executing thread in the */
|
||||
;/* beginning of interrupt processing. The function also ensures that */
|
||||
;/* the system stack is used upon return to the calling ISR. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* ISRs */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function saves the context of an executing thread in the */
|
||||
;/* beginning of interrupt processing. The function also ensures that */
|
||||
;/* the system stack is used upon return to the calling ISR. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* ISRs */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
;/* 04-02-2021 Andres Mlinar Modified comment(s), and */
|
||||
;/* r25/r30 are caller saved, */
|
||||
;/* resulting in version 6.1.6 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_context_save(VOID)
|
||||
;{
|
||||
.global _tx_thread_context_save
|
||||
.type _tx_thread_context_save, @function
|
||||
.type _tx_thread_context_save, @function
|
||||
_tx_thread_context_save:
|
||||
;
|
||||
; /* Upon entry to this routine, it is assumed that an interrupt stack frame
|
||||
@@ -106,6 +98,8 @@ _tx_thread_context_save:
|
||||
; calling ISR. */
|
||||
;
|
||||
__tx_thread_nested_save: ; Label is for special nested interrupt case from idle system save below
|
||||
st r30, [sp, 136] ; Save r30
|
||||
st r25, [sp, 32] ; Save r25
|
||||
st r12, [sp, 84] ; Save r12
|
||||
st r11, [sp, 88] ; Save r11
|
||||
st r10, [sp, 92] ; Save r10
|
||||
@@ -114,7 +108,7 @@ __tx_thread_nested_save: ; Label is for special n
|
||||
st r7, [sp, 104] ; Save r7
|
||||
st r6, [sp, 108] ; Save r6
|
||||
st r5, [sp, 112] ; Save r5
|
||||
st r4, [sp, 116] ; Save r6
|
||||
st r4, [sp, 116] ; Save r4
|
||||
lr r10, [LP_START] ; Pickup LP_START
|
||||
lr r9, [LP_END] ; Pickup LP_END
|
||||
st LP_COUNT, [sp, 12] ; Save LP_COUNT
|
||||
@@ -156,6 +150,8 @@ __tx_thread_not_nested_save:
|
||||
add r0, r0, 1 ; Increment the nested interrupt count
|
||||
st r0, [gp, _tx_thread_system_state@sda] ; Update system state
|
||||
ld r1, [gp, _tx_thread_current_ptr@sda] ; Pickup current thread pointer
|
||||
st r30, [sp, 136] ; Save r30
|
||||
st r25, [sp, 32] ; Save r25
|
||||
st r12, [sp, 84] ; Save r12
|
||||
st r11, [sp, 88] ; Save r11
|
||||
breq r1, 0, __tx_thread_idle_system_save ; If no thread is running, idle system was
|
||||
@@ -247,13 +243,15 @@ __tx_thread_idle_system_save:
|
||||
lr r0, [AUX_IRQ_ACT] ; Pickup the interrupt active register
|
||||
neg r1, r0 ; Negate
|
||||
and r1, r0, r1 ; See if there are any other interrupts present
|
||||
brne r0, r1, __tx_thread_nested_save ; If more interrupts, go into the nested interrupt save logic
|
||||
breq r0, r1, __tx_thread_not_nested
|
||||
j __tx_thread_nested_save ; If more interrupts, go into the nested interrupt save logic
|
||||
__tx_thread_not_nested:
|
||||
;
|
||||
; /* Not much to do here, just adjust the stack pointer, and return to
|
||||
; /* Not much to do here, just adjust the stack pointer, and return to
|
||||
; ISR processing. */
|
||||
;
|
||||
j_s.d [blink] ; Return to ISR
|
||||
add sp, sp, 160 ; Recover stack space
|
||||
add sp, sp, 160 ; Recover stack space
|
||||
;
|
||||
; }
|
||||
;}
|
||||
|
||||
@@ -8,69 +8,61 @@
|
||||
;/* and in the root directory of this software. */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** Thread */
|
||||
;/** */
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;
|
||||
;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_interrupt_control ARCv2_EM/MetaWare */
|
||||
;/* 6.1 */
|
||||
;/* 6.1.6 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* This function is responsible for changing the interrupt lockout */
|
||||
;/* posture of the system. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* new_posture New interrupt lockout posture */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* old_posture Old interrupt lockout posture */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* Application Code */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function is responsible for changing the interrupt lockout */
|
||||
;/* posture of the system. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* new_posture New interrupt lockout posture */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* old_posture Old interrupt lockout posture */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* Application Code */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
;/* 04-02-2021 Andres Mlinar Modified comments, */
|
||||
;/* resulting in version 6.1.6 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;UINT _tx_thread_interrupt_control(UINT new_posture)
|
||||
;{
|
||||
.global _tx_thread_interrupt_control
|
||||
.type _tx_thread_interrupt_control, @function
|
||||
.type _tx_thread_interrupt_control, @function
|
||||
_tx_thread_interrupt_control:
|
||||
;
|
||||
; /* Pickup current interrupt lockout posture. */
|
||||
|
||||
@@ -8,73 +8,67 @@
|
||||
;/* and in the root directory of this software. */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** Thread */
|
||||
;/** */
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
|
||||
.equ BTA, 0x412
|
||||
.equ KSTACK_TOP, 0x264
|
||||
.equ KSTACK_BASE, 0x265
|
||||
.equ STATUS32_SC, 0x4000
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;#include "tx_timer.h"
|
||||
;
|
||||
;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_schedule ARCv2_EM/MetaWare */
|
||||
;/* 6.1 */
|
||||
;/* 6.1.6 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* This function waits for a thread control block pointer to appear in */
|
||||
;/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
|
||||
;/* in the variable, the corresponding thread is resumed. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function waits for a thread control block pointer to appear in */
|
||||
;/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
|
||||
;/* in the variable, the corresponding thread is resumed. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* _tx_initialize_kernel_enter ThreadX entry function */
|
||||
;/* _tx_thread_system_return Return to system from thread */
|
||||
;/* _tx_thread_context_restore Restore thread's context */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* _tx_initialize_kernel_enter ThreadX entry function */
|
||||
;/* _tx_thread_system_return Return to system from thread */
|
||||
;/* _tx_thread_context_restore Restore thread's context */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
;/* 04-02-2021 Andres Mlinar Modified comment(s), and */
|
||||
;/* fixed interrupt priority */
|
||||
;/* overwritting bug, and */
|
||||
;/* fixed hardware stack checker*/
|
||||
;/* disable and reenable logic, */
|
||||
;/* resulting in version 6.1.6 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_schedule(VOID)
|
||||
@@ -85,8 +79,13 @@ _tx_thread_schedule:
|
||||
;
|
||||
; /* Enable interrupts. */
|
||||
;
|
||||
mov r0, 0x1F ; Build enable interrupt value
|
||||
seti r0 ; Enable interrupts
|
||||
seti 0 ; Enable interrupts without changing threshold level
|
||||
|
||||
.ifdef TX_ENABLE_HW_STACK_CHECKING
|
||||
lr r2, [status32] ; Pickup current STATUS32
|
||||
and r2, r2, ~STATUS32_SC ; Clear the hardware stack checking enable bit (SC)
|
||||
kflag r2 ; Disable hardware stack checking
|
||||
.endif
|
||||
;
|
||||
; /* Wait for a thread to execute. */
|
||||
; do
|
||||
@@ -99,7 +98,7 @@ __tx_thread_schedule_loop:
|
||||
;
|
||||
; }
|
||||
; while(_tx_thread_execute_ptr == TX_NULL);
|
||||
;
|
||||
;
|
||||
; /* Yes! We have a thread to execute. Lockout interrupts and
|
||||
; transfer control to it. */
|
||||
;
|
||||
@@ -118,16 +117,6 @@ __tx_thread_schedule_loop:
|
||||
ld r4, [r0, 24] ; Pickup time-slice for this thread
|
||||
add r3, r3, 1 ; Increment run counter
|
||||
st r3, [r0, 4] ; Store the new run counter
|
||||
|
||||
.ifdef TX_ENABLE_HW_STACK_CHECKING
|
||||
lr r2, [status32] ; Pickup current STATUS32
|
||||
and r2, r2, ~STATUS32_SC ; Clear the hardware stack checking enable bit (SC)
|
||||
kflag r2 ; Disable hardware stack checking
|
||||
ld r3, [r0, 12] ; Pickup the top of the thread's stack (lowest address)
|
||||
sr r3, [KSTACK_TOP] ; Setup KSTACK_TOP
|
||||
ld r3, [r0, 16] ; Pickup the base of the thread's stack (highest address)
|
||||
sr r3, [KSTACK_BASE] ; Setup KSTACK_BASE
|
||||
.endif
|
||||
;
|
||||
; /* Setup time-slice, if present. */
|
||||
; _tx_timer_time_slice = _tx_thread_current_ptr -> tx_thread_time_slice;
|
||||
@@ -135,6 +124,10 @@ __tx_thread_schedule_loop:
|
||||
ld sp, [r0, 8] ; Switch to thread's stack
|
||||
|
||||
.ifdef TX_ENABLE_HW_STACK_CHECKING
|
||||
ld r3, [r0, 12] ; Pickup the top of the thread's stack (lowest address)
|
||||
sr r3, [KSTACK_TOP] ; Setup KSTACK_TOP
|
||||
ld r3, [r0, 16] ; Pickup the base of the thread's stack (highest address)
|
||||
sr r3, [KSTACK_BASE] ; Setup KSTACK_BASE
|
||||
or r2, r2, STATUS32_SC ; Or in hardware stack checking enable bit (SC)
|
||||
kflag r2 ; Enable hardware stack checking
|
||||
.endif
|
||||
@@ -176,8 +169,8 @@ __tx_thread_schedule_loop:
|
||||
ld r13, [sp, 64] ; Recover r13
|
||||
ld r1, [sp, 68] ; Pickup status32
|
||||
ld r30, [sp, 72] ; Recover r30
|
||||
add sp, sp, 76 ; Recover solicited stack frame
|
||||
j_s.d [blink] ; Return to thread and restore flags
|
||||
add sp, sp, 76 ; Recover solicited stack frame
|
||||
j_s.d [blink] ; Return to thread and restore flags
|
||||
seti r1 ; Recover STATUS32
|
||||
;
|
||||
__tx_thread_schedule_int_ret:
|
||||
@@ -189,7 +182,7 @@ __tx_thread_schedule_int_ret:
|
||||
sr r0, [LP_START] ; Restore LP_START
|
||||
ld r1, [sp, 8] ; Recover LP_END
|
||||
sr r1, [LP_END] ; Restore LP_END
|
||||
ld r2, [sp, 12] ; Recover LP_COUNT
|
||||
ld r2, [sp, 12] ; Recover LP_COUNT
|
||||
mov LP_COUNT, r2
|
||||
ld r0, [sp, 156] ; Pickup saved BTA
|
||||
sr r0, [BTA] ; Recover BTA
|
||||
@@ -230,7 +223,7 @@ __tx_thread_schedule_int_ret:
|
||||
.endif
|
||||
add sp, sp, 160 ; Recover interrupt stack frame
|
||||
rtie ; Return to point of interrupt
|
||||
|
||||
|
||||
;
|
||||
;}
|
||||
;
|
||||
|
||||
@@ -8,70 +8,60 @@
|
||||
;/* and in the root directory of this software. */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** Thread */
|
||||
;/** */
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;
|
||||
;
|
||||
.equ LONG_ALIGN_MASK, 0xFFFFFFFC
|
||||
|
||||
.equ LONG_ALIGN_MASK, 0xFFFFFFFC
|
||||
.equ INT_ENABLE_BITS, 0x8000001E
|
||||
;
|
||||
;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_stack_build ARCv2_EM/MetaWare */
|
||||
;/* 6.1 */
|
||||
;/* 6.1.6 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function builds a stack frame on the supplied thread's stack. */
|
||||
;/* The stack frame results in a fake interrupt return to the supplied */
|
||||
;/* function pointer. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* function pointer. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* thread_ptr Pointer to thread control blk */
|
||||
;/* function_ptr Pointer to return function */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* _tx_thread_create Create thread service */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
;/* 04-02-2021 Andres Mlinar Modified comments, */
|
||||
;/* resulting in version 6.1.6 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
|
||||
@@ -80,11 +70,11 @@
|
||||
.type _tx_thread_stack_build, @function
|
||||
_tx_thread_stack_build:
|
||||
;
|
||||
;
|
||||
;
|
||||
; /* Build a fake interrupt frame. The form of the fake interrupt stack
|
||||
; on the ARCv2 EM should look like the following after it is built.
|
||||
; Note that the extension registers are always assigned space here.
|
||||
;
|
||||
;
|
||||
; Stack Top: 1 Interrupt stack frame type
|
||||
; LP_START Initial loop start
|
||||
; LP_END Initial loop end
|
||||
@@ -119,7 +109,7 @@ _tx_thread_stack_build:
|
||||
; r2 Initial r2
|
||||
; r1 Initial r1
|
||||
; r0 Initial r0
|
||||
; r30 Initial r30
|
||||
; r30 Initial r30
|
||||
; r58 Initial r58
|
||||
; r59 Initial r59
|
||||
; 0 Reserved
|
||||
@@ -127,10 +117,10 @@ _tx_thread_stack_build:
|
||||
; 0 Initial BTA
|
||||
; 0 Point of Interrupt (thread entry point)
|
||||
; 0 Initial STATUS32
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
; 0 Backtrace
|
||||
;
|
||||
; *: these registers will only be saved and restored if flag -Xxmac_d16 is passed to hcac
|
||||
;
|
||||
@@ -179,19 +169,19 @@ _tx_thread_stack_build:
|
||||
st r5, [r3, 128] ; Store initial r1
|
||||
st r5, [r3, 132] ; Store initial r0
|
||||
st r5, [r3, 136] ; Store initial r30
|
||||
st r5, [r3, 140] ; Store initial r58
|
||||
st r5, [r3, 140] ; Store initial r58
|
||||
st r5, [r3, 144] ; Store initial r59
|
||||
st r5, [r3, 148] ; Reserved
|
||||
st r5, [r3, 152] ; Reserved
|
||||
st r5, [r3, 156] ; Store initial BTA
|
||||
st r1, [r3, 160] ; Store initial point of entry
|
||||
st r1, [r3, 160] ; Store initial point of entry
|
||||
lr r6, [status32] ; Pickup STATUS32
|
||||
or r6, r6, INT_ENABLE_BITS ; Make sure interrupts are enabled
|
||||
st r6, [r3, 164] ; Store initial STATUS32
|
||||
st r5, [r3, 168] ; Backtrace 0
|
||||
st r5, [r3, 172] ; Backtrace 0
|
||||
st r5, [r3, 176] ; Backtrace 0
|
||||
st r5, [r3, 180] ; Backtrace 0
|
||||
st r5, [r3, 168] ; Backtrace 0
|
||||
st r5, [r3, 172] ; Backtrace 0
|
||||
st r5, [r3, 176] ; Backtrace 0
|
||||
st r5, [r3, 180] ; Backtrace 0
|
||||
;
|
||||
; /* Setup stack pointer. */
|
||||
; thread_ptr -> tx_thread_stack_ptr = r3;
|
||||
|
||||
@@ -8,69 +8,61 @@
|
||||
;/* and in the root directory of this software. */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** Thread */
|
||||
;/** */
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
|
||||
.equ KSTACK_TOP, 0x264
|
||||
.equ KSTACK_BASE, 0x265
|
||||
.equ STATUS32_SC, 0x4000
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;#include "tx_timer.h"
|
||||
;
|
||||
;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_system_return ARCv2_EM/MetaWare */
|
||||
;/* 6.1 */
|
||||
;/* 6.1.6 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* This function is target processor specific. It is used to transfer */
|
||||
;/* control from a thread back to the ThreadX system. Only a */
|
||||
;/* minimal context is saved since the compiler assumes temp registers */
|
||||
;/* are going to get slicked by a function call anyway. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* _tx_thread_schedule Thread scheduling loop */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* ThreadX components */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function is target processor specific. It is used to transfer */
|
||||
;/* control from a thread back to the ThreadX system. Only a */
|
||||
;/* minimal context is saved since the compiler assumes temp registers */
|
||||
;/* are going to get slicked by a function call anyway. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* _tx_thread_schedule Thread scheduling loop */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* ThreadX components */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
;/* 04-02-2021 Andres Mlinar Modified comments, */
|
||||
;/* resulting in version 6.1.6 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_system_return(VOID)
|
||||
@@ -105,7 +97,7 @@ _tx_thread_system_return:
|
||||
st r13, [sp, 64] ; Save r13
|
||||
st r2, [sp, 68] ; Save status32
|
||||
st r30, [sp, 72] ; Save r30
|
||||
;
|
||||
;
|
||||
.ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
|
||||
;
|
||||
; /* Call the thread exit function to indicate the thread is no longer executing. */
|
||||
|
||||
@@ -8,32 +8,21 @@
|
||||
;/* and in the root directory of this software. */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** ThreadX Component */
|
||||
;/** */
|
||||
;/** Timer */
|
||||
;/** */
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_timer.h"
|
||||
;#include "tx_thread.h"
|
||||
;
|
||||
;
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_timer_interrupt ARCv2_EM/MetaWare */
|
||||
;/* 6.1.3 */
|
||||
;/* AUTHOR */
|
||||
@@ -41,34 +30,34 @@
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
;/* */
|
||||
;/* DESCRIPTION */
|
||||
;/* */
|
||||
;/* This function processes the hardware timer interrupt. This */
|
||||
;/* processing includes incrementing the system clock and checking for */
|
||||
;/* time slice and/or timer expiration. If either is found, the */
|
||||
;/* interrupt context save/restore functions are called along with the */
|
||||
;/* expiration functions. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* _tx_timer_expiration_process Process timer expiration */
|
||||
;/* _tx_thread_time_slice Time slice interrupted thread */
|
||||
;/* _tx_thread_context_save Save interrupt context */
|
||||
;/* _tx_thread_context_restore Restore interrupt context */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* interrupt vector */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* */
|
||||
;/* This function processes the hardware timer interrupt. This */
|
||||
;/* processing includes incrementing the system clock and checking for */
|
||||
;/* time slice and/or timer expiration. If either is found, the */
|
||||
;/* interrupt context save/restore functions are called along with the */
|
||||
;/* expiration functions. */
|
||||
;/* */
|
||||
;/* INPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* OUTPUT */
|
||||
;/* */
|
||||
;/* None */
|
||||
;/* */
|
||||
;/* CALLS */
|
||||
;/* */
|
||||
;/* _tx_timer_expiration_process Process timer expiration */
|
||||
;/* _tx_thread_time_slice Time slice interrupted thread */
|
||||
;/* _tx_thread_context_save Save interrupt context */
|
||||
;/* _tx_thread_context_restore Restore interrupt context */
|
||||
;/* */
|
||||
;/* CALLED BY */
|
||||
;/* */
|
||||
;/* interrupt vector */
|
||||
;/* */
|
||||
;/* RELEASE HISTORY */
|
||||
;/* */
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
|
||||
@@ -81,7 +70,7 @@
|
||||
;VOID _tx_timer_interrupt(VOID)
|
||||
;{
|
||||
.global _tx_timer_interrupt
|
||||
.type _tx_timer_interrupt, @function
|
||||
.type _tx_timer_interrupt, @function
|
||||
_tx_timer_interrupt:
|
||||
;
|
||||
; /* Upon entry to this routine, it is assumed the interrupt stack frame has
|
||||
@@ -132,7 +121,7 @@ __tx_timer_no_time_slice:
|
||||
;
|
||||
ld r0, [gp, _tx_timer_current_ptr@sda] ; Pickup current timer pointer
|
||||
ld r2, [r0, 0] ; Pickup examine actual list entry
|
||||
breq r2, 0, __tx_timer_no_timer ;
|
||||
breq r2, 0, __tx_timer_no_timer ;
|
||||
; If NULL, no timer has expired, just move to the next entry
|
||||
;
|
||||
; /* Set expiration flag. */
|
||||
@@ -220,7 +209,7 @@ __tx_timer_dont_activate:
|
||||
;
|
||||
__tx_timer_not_ts_expiration:
|
||||
;
|
||||
st 0, [gp, _tx_timer_expired_time_slice@sda]
|
||||
st 0, [gp, _tx_timer_expired_time_slice@sda]
|
||||
b _tx_thread_context_restore ; Go restore interrupt context..
|
||||
; ..clearing time-slice expired flag
|
||||
; Note that we don't return from
|
||||
@@ -233,9 +222,9 @@ __tx_timer_nothing_expired:
|
||||
ld r0, [sp, 0] ; Recover r0
|
||||
ld r1, [sp, 4] ; Recover r1
|
||||
ld r2, [sp, 8] ; Recover r2
|
||||
add sp, sp, 160 ; Recover interrupt stack frame
|
||||
add sp, sp, 160 ; Recover interrupt stack frame
|
||||
rtie ; Return to point of interrupt
|
||||
;
|
||||
;}
|
||||
.end
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user