URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
Compare Revisions
- This comparison shows the changes necessary to convert path
/openrisc/trunk
- from Rev 620 to Rev 621
- ↔ Reverse comparison
Rev 620 → Rev 621
/rtos/freertos-6.1.1/Source/portable/GCC/OpenRISC/port.c
63,6 → 63,10
/* Processor constants. */ |
#include "port_spr_defs.h" |
|
/* Jump buffer */ |
#include <setjmp.h> |
static jmp_buf jmpbuf; |
|
/* Tick Timer Interrupt handler */ |
void vTickHandler( void ); |
|
172,14 → 176,19
|
portBASE_TYPE xPortStartScheduler( void ) |
{ |
/* Start the timer that generates the tick ISR. Interrupts are disabled |
here already. */ |
prvSetupTimerInterrupt(); |
if(setjmp((void *)jmpbuf) == 0) { |
/* Start the timer that generates the tick ISR. Interrupts are disabled |
here already. */ |
prvSetupTimerInterrupt(); |
|
/* Start the first task. */ |
portRESTORE_CONTEXT(); |
|
/* Should not get here! */ |
/* Start the first task. */ |
portRESTORE_CONTEXT(); |
|
/* Should not get here! */ |
} else { |
/* Retrun by vPortEndScheduler */ |
} |
|
return 0; |
} |
|
186,6 → 195,7
void vPortEndScheduler( void ) |
{ |
mtspr(SPR_SR, mfspr(SPR_SR) & (~SPR_SR_TEE)); // Tick stop |
longjmp((void *)jmpbuf, 1); // return to xPortStartScheduler |
} |
|
/* |
211,6 → 221,10
mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_TEE); |
} |
|
/* |
* naked attribute is ignored or32-elf-gcc 4.5.1-or32-1.0rc1 |
* use assemble routines in portasm.S |
*/ |
#if 0 |
void vTickHandler( void ) |
{ |
/rtos/freertos-6.1.1/Source/portable/GCC/OpenRISC/portasm.S
30,11 → 30,76
l.jr r9 |
.size vPortEnableInterrupts, .-vPortEnableInterrupts |
|
.text |
.global vTickHandler |
.type vTickHandler, %function |
vTickHandler: |
# portSAVE_CONTEXT |
|
.macro portSAVE_REGISTER |
l.addi r1, r1, -116 |
l.sw 0x00(r1), r3 |
l.sw 0x04(r1), r4 |
l.sw 0x08(r1), r5 |
l.sw 0x0c(r1), r6 |
l.sw 0x10(r1), r7 |
l.sw 0x14(r1), r8 |
l.sw 0x18(r1), r9 |
l.sw 0x1c(r1), r10 |
l.sw 0x20(r1), r11 |
l.sw 0x24(r1), r12 |
l.sw 0x28(r1), r13 |
l.sw 0x2c(r1), r14 |
l.sw 0x30(r1), r15 |
l.sw 0x34(r1), r16 |
l.sw 0x38(r1), r17 |
l.sw 0x3c(r1), r18 |
l.sw 0x40(r1), r19 |
l.sw 0x44(r1), r20 |
l.sw 0x48(r1), r21 |
l.sw 0x4c(r1), r22 |
l.sw 0x50(r1), r23 |
l.sw 0x54(r1), r24 |
l.sw 0x58(r1), r25 |
l.sw 0x5c(r1), r26 |
l.sw 0x60(r1), r27 |
l.sw 0x64(r1), r28 |
l.sw 0x68(r1), r29 |
l.sw 0x6c(r1), r30 |
l.sw 0x70(r1), r31 |
.endm |
|
|
.macro portRESTORE_REGISTER |
l.lwz r3 , 0x00(r1) |
l.lwz r4 , 0x04(r1) |
l.lwz r5 , 0x08(r1) |
l.lwz r6 , 0x0c(r1) |
l.lwz r7 , 0x10(r1) |
l.lwz r8 , 0x14(r1) |
l.lwz r9 , 0x18(r1) |
l.lwz r10, 0x1c(r1) |
l.lwz r11, 0x20(r1) |
l.lwz r12, 0x24(r1) |
l.lwz r13, 0x28(r1) |
l.lwz r14, 0x2c(r1) |
l.lwz r15, 0x30(r1) |
l.lwz r16, 0x34(r1) |
l.lwz r17, 0x38(r1) |
l.lwz r18, 0x3c(r1) |
l.lwz r19, 0x40(r1) |
l.lwz r20, 0x44(r1) |
l.lwz r21, 0x48(r1) |
l.lwz r22, 0x4c(r1) |
l.lwz r23, 0x50(r1) |
l.lwz r24, 0x54(r1) |
l.lwz r25, 0x58(r1) |
l.lwz r26, 0x5c(r1) |
l.lwz r27, 0x60(r1) |
l.lwz r28, 0x64(r1) |
l.lwz r29, 0x68(r1) |
l.lwz r30, 0x6c(r1) |
l.lwz r31, 0x70(r1) |
l.addi r1, r1, 116 |
.endm |
|
|
.macro portSAVE_CONTEXT |
.global pxCurrentTCB |
# make rooms in stack |
l.addi r1, r1, -128 |
43,8 → 108,8
l.sw 0x0C(r1), r4 |
l.sw 0x10(r1), r5 |
# save SPR_ESR_BASE(0), SPR_EPCR_BASE(0) |
l.mfspr r3, r0, (0<<11) + 64 |
l.mfspr r4, r0, (0<<11) + 32 |
l.mfspr r3, r0, SPR_ESR_BASE |
l.mfspr r4, r0, SPR_EPCR_BASE |
l.sw 0x78(r1), r3 |
l.sw 0x7C(r1), r4 |
l.sw 0x00(r1), r9 |
84,24 → 149,10
l.lwz r3, 0x08(r1) |
l.lwz r4, 0x0C(r1) |
l.lwz r5, 0x10(r1) |
|
l.mfspr r3, r0, SPR_TTMR |
l.movhi r4, hi(SPR_TTMR_IP) |
l.ori r4, r4, lo(SPR_TTMR_IP) |
l.xori r4, r4, 0xffffffff |
l.and r3, r3, r4 # clear tick timer interrupt |
l.mtspr r0, r3, SPR_TTMR |
.endm |
|
l.jal vTaskIncrementTick |
l.nop |
.if configUSE_PREEMPTION == 0 |
# do nothing |
.else |
l.jal vTaskSwitchContext |
l.nop |
.endif |
|
# portRESTORE_CONTEXT |
|
.macro portRESTORE_CONTEXT |
l.movhi r3, hi(pxCurrentTCB) |
l.ori r3, r3, lo(pxCurrentTCB) |
l.lwz r3, 0x0(r3) |
137,8 → 188,8
# restore SPR_ESR_BASE(0), SPR_EPCR_BASE(0) |
l.lwz r3, 0x78(r1) |
l.lwz r4, 0x7C(r1) |
l.mtspr r0, r3, (0<<11) + 64 |
l.mtspr r0, r4, (0<<11) + 32 |
l.mtspr r0, r3, SPR_ESR_BASE |
l.mtspr r0, r4, SPR_EPCR_BASE |
# restore clobber register |
l.lwz r3, 0x08(r1) |
l.lwz r4, 0x0C(r1) |
146,115 → 197,101
l.addi r1, r1, 128 |
l.rfe |
l.nop |
.endm |
|
.size vTickHandler, .-vTickHandler |
|
.text |
.global vPortTickHandler |
.type vPortTickHandler, %function |
vPortTickHandler: |
portSAVE_CONTEXT |
|
l.mfspr r3, r0, SPR_TTMR |
l.movhi r4, hi(SPR_TTMR_IP) |
l.ori r4, r4, lo(SPR_TTMR_IP) |
l.xori r4, r4, 0xffffffff |
l.and r3, r3, r4 # clear tick timer interrupt |
l.mtspr r0, r3, SPR_TTMR |
|
l.jal vTaskIncrementTick |
l.nop |
.if configUSE_PREEMPTION == 0 |
# do nothing |
.else |
l.jal vTaskSwitchContext |
l.nop |
.endif |
|
portRESTORE_CONTEXT |
.size vPortTickHandler, .-vPortTickHandler |
|
|
.text |
.global PortCC |
.type PortCC, %function |
PortCC: |
# portSAVE_CONTEXT |
.global pxCurrentTCB |
l.lwz r11, 0x0(r1) |
l.addi r1, r1, 4 |
# make rooms in stack |
l.addi r1, r1, -128 |
# early save r3-r5, these are clobber register |
l.sw 0x08(r1), r3 |
l.sw 0x0C(r1), r4 |
l.sw 0x10(r1), r5 |
# save SPR_ESR_BASE(0), SPR_EPCR_BASE(0) |
l.mfspr r3, r0, (0<<11) + 64 |
l.mfspr r4, r0, (0<<11) + 32 |
l.sw 0x78(r1), r3 |
l.sw 0x7C(r1), r4 |
l.sw 0x00(r1), r9 |
# Save Context |
l.sw 0x04(r1), r2 |
l.sw 0x14(r1), r6 |
l.sw 0x18(r1), r7 |
l.sw 0x1C(r1), r8 |
l.sw 0x20(r1), r10 |
l.sw 0x24(r1), r11 |
l.sw 0x28(r1), r12 |
l.sw 0x2C(r1), r13 |
l.sw 0x30(r1), r14 |
l.sw 0x34(r1), r15 |
l.sw 0x38(r1), r16 |
l.sw 0x3C(r1), r17 |
l.sw 0x40(r1), r18 |
l.sw 0x44(r1), r19 |
l.sw 0x48(r1), r20 |
l.sw 0x4C(r1), r21 |
l.sw 0x50(r1), r22 |
l.sw 0x54(r1), r23 |
l.sw 0x58(r1), r24 |
l.sw 0x5C(r1), r25 |
l.sw 0x60(r1), r26 |
l.sw 0x64(r1), r27 |
l.sw 0x68(r1), r28 |
l.sw 0x6C(r1), r29 |
l.sw 0x70(r1), r30 |
l.sw 0x74(r1), r31 |
# Save the top of stack in TCB |
l.movhi r3, hi(pxCurrentTCB) |
l.ori r3, r3, lo(pxCurrentTCB) |
l.lwz r3, 0x0(r3) |
l.sw 0x0(r3), r1 |
# restore clobber register |
l.lwz r3, 0x08(r1) |
l.lwz r4, 0x0C(r1) |
l.lwz r5, 0x10(r1) |
.global vPortSystemCall |
.type vPortSystemCall, %function |
vPortSystemCall: |
l.sfeqi r11, 0xFCC |
l.bf 1f |
l.nop |
|
l.sw -120(r1), r11 |
l.lwz r11, -4(r1) |
portSAVE_REGISTER |
|
l.jal syscall_except |
l.lwz r3, -4(r1) |
|
portRESTORE_REGISTER |
l.rfe |
l.nop |
|
1: |
l.sw -132(r1), r11 |
l.lwz r11, -4(r1) |
portSAVE_CONTEXT |
|
l.jal syscall_except |
l.lwz r3, -4(r1) |
|
portRESTORE_CONTEXT |
.size vPortSystemCall, .-vPortSystemCall |
|
|
.text |
.global vPortExtIntHandler |
.type vPortExtIntHandler, %function |
vPortExtIntHandler: |
portSAVE_CONTEXT |
|
l.jal int_main |
l.nop |
|
.if configUSE_PREEMPTION == 0 |
# do nothing |
.else |
l.jal vTaskSwitchContext |
l.nop |
.endif |
|
# portRESTORE_CONTEXT |
l.movhi r3, hi(pxCurrentTCB) |
l.ori r3, r3, lo(pxCurrentTCB) |
l.lwz r3, 0x0(r3) |
l.lwz r1, 0x0(r3) |
# restore context |
l.lwz r9, 0x00(r1) |
l.lwz r2, 0x04(r1) |
l.lwz r6, 0x14(r1) |
l.lwz r7, 0x18(r1) |
l.lwz r8, 0x1C(r1) |
l.lwz r10, 0x20(r1) |
l.lwz r11, 0x24(r1) |
l.lwz r12, 0x28(r1) |
l.lwz r13, 0x2C(r1) |
l.lwz r14, 0x30(r1) |
l.lwz r15, 0x34(r1) |
l.lwz r16, 0x38(r1) |
l.lwz r17, 0x3C(r1) |
l.lwz r18, 0x40(r1) |
l.lwz r19, 0x44(r1) |
l.lwz r20, 0x48(r1) |
l.lwz r21, 0x4C(r1) |
l.lwz r22, 0x50(r1) |
l.lwz r23, 0x54(r1) |
l.lwz r24, 0x58(r1) |
l.lwz r25, 0x5C(r1) |
l.lwz r26, 0x60(r1) |
l.lwz r27, 0x64(r1) |
l.lwz r28, 0x68(r1) |
l.lwz r29, 0x6C(r1) |
l.lwz r30, 0x70(r1) |
l.lwz r31, 0x74(r1) |
# restore SPR_ESR_BASE(0), SPR_EPCR_BASE(0) |
l.lwz r3, 0x78(r1) |
l.lwz r4, 0x7C(r1) |
l.mtspr r0, r3, (0<<11) + 64 |
l.mtspr r0, r4, (0<<11) + 32 |
# restore clobber register |
l.lwz r3, 0x08(r1) |
l.lwz r4, 0x0C(r1) |
l.lwz r5, 0x10(r1) |
l.addi r1, r1, 128 |
l.rfe |
l.nop |
portRESTORE_CONTEXT |
.size vPortExtIntHandler, .-vPortExtIntHandler |
|
.size PortCC, .-PortCC |
|
.text |
.global vPortMiscIntHandler |
.type vPortMiscIntHandler, %function |
vPortMiscIntHandler: |
portSAVE_CONTEXT |
|
l.jal misc_int_handler |
l.lwz r3, -4(r1) |
|
.if configUSE_PREEMPTION == 0 |
# do nothing |
.else |
l.jal vTaskSwitchContext |
l.nop |
.endif |
|
portRESTORE_CONTEXT |
.size vPortMiscIntHandler, .-vPortMiscIntHandler |
/rtos/freertos-6.1.1/Source/portable/GCC/OpenRISC/portmacro.h
85,8 → 85,7
|
#define portYIELD_FROM_ISR() vTaskSwitchContext() |
#define portYIELD() { \ |
__asm__ __volatile__ ( "l.addi r1, r1, -4" ); \ |
__asm__ __volatile__ ( "l.sw 0x0(r1), r11" ); \ |
__asm__ __volatile__ ( "l.sw -4(r1), r11" ); \ |
__asm__ __volatile__ ( "l.addi r11, r0, 0x0FCC" ); \ |
__asm__ __volatile__ ( "l.sys 0x0FCC" ); \ |
__asm__ __volatile__ ( "l.nop " ); \ |
115,8 → 114,7
// Critical section handling. |
// switch supervisormode, disable tick interrupt and all external interrupt, switch back usermode |
#define portENTER_CRITICAL() { \ |
__asm__ __volatile__ ( "l.addi r1, r1, -4" ); \ |
__asm__ __volatile__ ( "l.sw 0x0(r1), r11" ); \ |
__asm__ __volatile__ ( "l.sw -4(r1), r11" ); \ |
__asm__ __volatile__ ( "l.addi r11, r0, 0x0FCE" ); \ |
__asm__ __volatile__ ( "l.sys 0x0FCE" ); \ |
__asm__ __volatile__ ( "l.nop " ); \ |
124,8 → 122,7
|
// switch supervisormode, enable tick interrupt and all external interrupt, switch back usermode |
#define portEXIT_CRITICAL() { \ |
__asm__ __volatile__ ( "l.addi r1, r1, -4" ); \ |
__asm__ __volatile__ ( "l.sw 0x0(r1), r11" ); \ |
__asm__ __volatile__ ( "l.sw -4(r1), r11" ); \ |
__asm__ __volatile__ ( "l.addi r11, r0, 0x0FCF" ); \ |
__asm__ __volatile__ ( "l.sys 0x0FCF" ); \ |
__asm__ __volatile__ ( "l.nop " ); \ |
144,7 → 141,7
asm volatile ( \ |
" .global pxCurrentTCB \n\t" \ |
" # make rooms in stack \n\t" \ |
" l.addi r1, r1, -132 \n\t" \ |
" l.addi r1, r1, -128 \n\t" \ |
" # early save r3-r5, these are clobber register\n\t" \ |
" l.sw 0x08(r1), r3 \n\t" \ |
" l.sw 0x0C(r1), r4 \n\t" \ |
240,6 → 237,7
" l.lwz r3, 0x08(r1) \n\t" \ |
" l.lwz r4, 0x0C(r1) \n\t" \ |
" l.lwz r5, 0x10(r1) \n\t" \ |
" l.addi r1, r1, 128 \n\t" \ |
" l.rfe \n\t" \ |
" l.nop \n\t" \ |
); |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/main.c
63,7 → 63,7
#include "task.h" |
|
#include "uart.h" |
#include "int.h" |
#include "interrupts.h" |
|
#define TASK_STACK_SIZE (configMINIMAL_STACK_SIZE) |
|
117,13 → 117,13
|
portENTER_CRITICAL(); |
{ |
uart_put_int(hour); |
uart_print_int(hour); |
uart_print_str(" : "); |
uart_put_int(min); |
uart_print_int(min); |
uart_print_str(" : "); |
uart_put_int(sec); |
uart_print_int(sec); |
uart_print_str(" , "); |
uart_put_int(ticks); |
uart_print_int(ticks); |
uart_print_str("\n\r"); |
} |
portEXIT_CRITICAL(); |
142,11 → 142,11
portENTER_CRITICAL(); |
{ |
uart_print_str("vTask "); |
uart_put_int(delay); |
uart_print_int(delay); |
uart_print_str(" : "); |
// uart_put_int(priority); |
// uart_print_int(priority); |
// uart_print_str(" , "); |
uart_put_int(ticks); |
uart_print_int(ticks); |
uart_print_str(" \n\r"); |
} |
portEXIT_CRITICAL(); |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/sim.cfg
1,887 → 1,473
/* sim.cfg -- Simulator configuration script file |
|
Copyright (C) 2001-2002, Marko Mlinar, markom@opencores.org |
Copyright (C) 2010, Embecosm Limited |
|
This file is part of OpenRISC 1000 Architectural Simulator. |
It contains the default configuration and help about configuring |
the simulator. |
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> |
|
This program is free software; you can redistribute it and/or modify |
it under the terms of the GNU General Public License as published by |
the Free Software Foundation; either version 2 of the License, or |
(at your option) any later version. |
This file is part of OpenRISC 1000 Architectural Simulator. |
|
This program is free software; you can redistribute it and/or modify it |
under the terms of the GNU General Public License as published by the Free |
Software Foundation; either version 3 of the License, or (at your option) |
any later version. |
|
This program is distributed in the hope that it will be useful, but WITHOUT |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
more details. |
|
You should have received a copy of the GNU General Public License along |
with this program. If not, see <http://www.gnu.org/licenses/>. */ |
|
This program is distributed in the hope that it will be useful, |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
GNU General Public License for more details. |
|
You should have received a copy of the GNU General Public License |
along with this program; if not, write to the Free Software |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
/* -------------------------------------------------------------------------- */ |
/* The Ork1sim has various parameters, that can be set in configuration files |
like this one. The user can specify a configuration file at startu[ with |
the -f <filename.cfg> option. |
|
The user guide (see the 'doc' directory) gives full details on |
configuration files. This is a reference configuration, which may be used |
as a starting point for customization. |
|
/* INTRODUCTION |
A number of peripherals are mapped at standard addresses (above 0x80000000) |
in the Verilog RTL of ORPSoC standard sitribution. The same values should |
be used in Or1ksim section definitions to match the behavior of the Verilog |
|
The ork1sim has various parameters, that are set in configuration files |
like this one. The user can switch between configurations at startup by |
specifying the required configuration file with the -f <filename.cfg> option. |
If no configuration file is specified or1ksim searches for the default |
configuration file sim.cfg. First it searches for './sim.cfg'. If this |
file is not found, it searches for '~/or1k/sim.cfg'. If this file is |
not found too, it reverts to the built-in default configuration. |
|
NOTE: Users should not rely on the built-in configuration, since the |
default configuration may differ between version. |
Rather create a configuration file that sets all critical values. |
0x90000000 UART |
0x91000000 GPIO |
0x92000000 Ethernet |
0x93000000 Memory controller |
0x94000000 PS2 keyboard |
0x97000000 Frame buffer |
0x97100000 VGA |
0x9a000000 DMA controller |
0x9e000000 ATA disc |
|
This file may contain (standard C) comments only - no // support. |
|
Configure files may be be included, using: |
include "file_name_to_include" |
Section ordering matches that in the user guide. All optional peripherals |
and functionality is disabled. Comments only list the possible entries and |
values. Consult the user guide for their meaning. |
|
Like normal configuration files, the included file is divided into |
sections. Each section is described in detail also. |
Unless otherwise indicated, the first named option is the default. */ |
/* -------------------------------------------------------------------------- */ |
|
Some section have subsections. One example of such a subsection is: |
|
device <index> |
instance specific parameters... |
enddevice |
/* Simulator section |
|
which creates a device instance. |
verbose = 0|1 |
debug = 0-9 |
profile = 0|1 |
prof_file = "<filename>" (default: "sim.profile") |
mprofile = 0|1 |
mprof_file = "<filename>" (default: "sim.mprofile") |
history = 0|1 |
exe_log = 0|1 |
exe_log_type = hardware|simple|software|default |
exe_log_start = <value> (default: 0) |
exe_log_end = <value> (default: never end) |
exe_log_marker = <value> (default: no markers) |
exe_log_file = "<filename>" (default: "executed.log") |
exe_bin_insn_log = 0|1 |
exe_bin_insn_log_file = "<filename>" (default: "exe-insn.bin") |
clkcycle = <value>[ps|ns|us|ms] |
*/ |
section sim |
clkcycle = 100ns |
end |
|
|
/* MEMORY SECTION |
/* VAPI section |
|
This section specifies how the memory is generated and the blocks |
it consists of. |
enabled = 0|1 |
server_port = <value> (default: 50000) |
log_enabled = 0|1 |
hide_device_id = 0|1 |
vapi_log_file = "<filename>" (default "vapi.log") |
*/ |
section VAPI |
server_port = 50000 |
log_enabled = 0 |
vapi_log_file = "vapi.log" |
end |
|
type = random/unknown/pattern |
Specifies the initial memory values. |
'random' generates random memory using seed 'random_seed'. |
'pattern' fills memory with 'pattern'. |
'unknown' does not specify how memory should be generated, |
leaving the memory in a undefined state. This is the fastest |
option. |
|
random_seed = <value> |
random seed for randomizer, used if type = 'random'. |
/* CUC section |
|
pattern = <value> |
pattern to fill memory, used if type = 'pattern'. |
|
nmemories = <value> |
number of memory instances connected |
|
baseaddr = <hex_value> |
memory start address |
|
size = <hex_value> |
memory size |
|
name = "<string>" |
memory block name |
|
ce = <value> |
chip enable index of the memory instance |
|
mc = <value> |
memory controller this memory is connected to |
|
delayr = <value> |
cycles, required for read access, -1 if instance does not support reading |
|
delayw = <value> |
cycles, required for write access, -1 if instance does not support writing |
|
log = "<filename>" |
filename, where to log memory accesses to, no log, if log command is not specified |
memory_order = none|weak|strong|exact (default: strong) |
calling_convention = 0|1 |
enable_bursts = 0|1 |
no_multicycle = 0|1 |
timings_file = "<filename>" (default: virtex.tim) |
*/ |
|
|
section memory |
random_seed = 12345 |
type = random |
pattern = 0x00 |
|
name = "FLASH" |
ce = 0 |
mc = 0 |
baseaddr = 0x04000000 |
size = 0x00200000 |
delayr = 1 |
delayw = -1 |
section cuc |
memory_order = weak |
calling_convention = 1 |
enable_bursts = 1 |
no_multicycle = 1 |
end |
|
section memory |
random_seed = 12345 |
type = random |
pattern = 0x00 |
|
name = "RAM" |
ce = 1 |
mc = 0 |
baseaddr = 0x00000000 |
size = 0x00200000 |
delayr = 1 |
delayw = 5 |
end |
/* CPU section |
|
section memory |
random_seed = 12345 |
type = random |
pattern = 0x00 |
|
name = "ICM" |
mc = 0 |
ce = 2 |
baseaddr = 0x00800000 |
size = 0x00004000 |
delayr = 1 |
delayw = 1 |
ver = <value> (default: 0) |
cfg = <value> (default: 0) |
rev = <value> (default: 0) |
upr = <value> (see user manual for default settings) |
cfgr = <value> (default: 0x00000020) |
sr = <value> (default: 0x00008001) |
superscalar = 0|1 |
hazards = 0|1 |
dependstats = 0|1 |
sbuf_len = <value> (default: 0) |
hardfloat = 0|1 |
*/ |
section cpu |
ver = 0x12 |
cfg = 0x00 |
rev = 0x0001 |
end |
|
|
/* IMMU SECTION |
/* Memory section |
|
This section configures the Instruction Memory Manangement Unit |
|
enabled = 0/1 |
'0': disabled |
'1': enabled |
(NOTE: UPR bit is set) |
|
nsets = <value> |
number of ITLB sets; must be power of two |
|
nways = <value> |
number of ITLB ways |
|
pagesize = <value> |
instruction page size; must be power of two |
|
entrysize = <value> |
instruction entry size in bytes |
|
ustates = <value> |
number of ITLB usage states (2, 3, 4 etc., max is 4) |
|
hitdelay = <value> |
number of cycles immu hit costs |
|
missdelay = <value> |
number of cycles immu miss costs |
type = unknown|random|unknown|pattern |
random_seed = <value> (default: -1) |
pattern = <value> (default: 0) |
baseaddr = <hex_value> (default: 0) |
size = <hex_value> (default: 1024) |
name = "<string>" (default: "anonymous memory block") |
ce = <value> (default: -1) |
mc = <value> (default: 0) |
delayr = <value> (default: 1) |
delayw = <value> (default: 1) |
log = "<filename>" (default: NULL) |
*/ |
|
section immu |
enabled = 0 |
nsets = 32 |
nways = 1 |
pagesize = 8192 |
section memory |
name = "RAM" |
type = unknown |
baseaddr = 0x00000000 |
size = 0x00080000 |
delayr = 1 |
delayw = 2 |
end |
|
|
/* DMMU SECTION |
/* Data MMU section |
|
This section configures the Data Memory Manangement Unit |
|
enabled = 0/1 |
'0': disabled |
'1': enabled |
(NOTE: UPR bit is set) |
|
nsets = <value> |
number of DTLB sets; must be power of two |
|
nways = <value> |
number of DTLB ways |
|
pagesize = <value> |
data page size; must be power of two |
|
entrysize = <value> |
data entry size in bytes |
|
ustates = <value> |
number of DTLB usage states (2, 3, 4 etc., max is 4) |
|
hitdelay = <value> |
number of cycles dmmu hit costs |
|
missdelay = <value> |
number of cycles dmmu miss costs |
enabled = 0|1 |
nsets = <value> (default: 1) |
nways = <value> (default: 1) |
pagesize = <value> (default: 8192) |
entrysize = <value> (default: 1) |
ustates = <value> (default: 1) |
hitdelay = <value> (default: 1) |
missdelay = <value> (default: 1) |
*/ |
|
section dmmu |
enabled = 0 |
nsets = 32 |
nways = 1 |
pagesize = 8192 |
enabled = 0 |
nsets = 64 |
nways = 1 |
pagesize = 8192 |
hitdelay = 0 |
missdelay = 0 |
end |
|
|
/* IC SECTION |
/* Instruction MMU section |
|
This section configures the Instruction Cache |
|
enabled = 0/1 |
'0': disabled |
'1': enabled |
(NOTE: UPR bit is set) |
|
nsets = <value> |
number of IC sets; must be power of two |
|
nways = <value> |
number of IC ways |
|
blocksize = <value> |
IC block size in bytes; must be power of two |
|
ustates = <value> |
number of IC usage states (2, 3, 4 etc., max is 4) |
|
hitdelay = <value> |
number of cycles ic hit costs |
|
missdelay = <value> |
number of cycles ic miss costs |
enabled = 0|1 |
nsets = <value> (default: 1) |
nways = <value> (default: 1) |
pagesize = <value> (default: 8192) |
entrysize = <value> (default: 1) |
ustates = <value> (default: 1) |
hitdelay = <value> (default: 1) |
missdelay = <value> (default: 1) |
*/ |
|
section ic |
enabled = 0 |
nsets = 512 |
nways = 1 |
blocksize = 16 |
section immu |
enabled = 0 |
nsets = 64 |
nways = 1 |
pagesize = 8192 |
hitdelay = 0 |
missdelay = 0 |
end |
|
|
/* DC SECTION |
/* Data cache section |
|
This section configures the Data Cache |
|
enabled = 0/1 |
'0': disabled |
'1': enabled |
(NOTE: UPR bit is set) |
|
nsets = <value> |
number of DC sets; must be power of two |
|
nways = <value> |
number of DC ways |
|
blocksize = <value> |
DC block size in bytes; must be power of two |
|
ustates = <value> |
number of DC usage states (2, 3, 4 etc., max is 4) |
|
load_hitdelay = <value> |
number of cycles dc load hit costs |
|
load_missdelay = <value> |
number of cycles dc load miss costs |
|
store_hitdelay = <value> |
number of cycles dc load hit costs |
|
store_missdelay = <value> |
number of cycles dc load miss costs |
enabled = 0|1 |
nsets = <value> (default: 1) |
nways = <value> (default: 1) |
blocksize = <value> (default: 16) |
ustates = <value> (default: 2) |
load_hitdelay = <value> (default: 2) |
load_missdelay = <value> (default: 2) |
store_hitdelay = <value> (default: 0) |
store_missdelay = <value> (default: 0) |
*/ |
|
section dc |
enabled = 0 |
nsets = 512 |
nways = 1 |
blocksize = 16 |
enabled = 0 |
nsets = 256 |
nways = 1 |
blocksize = 16 |
load_hitdelay = 0 |
load_missdelay = 0 |
store_hitdelay = 0 |
store_missdelay = 0 |
end |
|
|
/* SIM SECTION |
/* Instruction cache section |
|
This section specifies how or1ksim should behave. |
|
verbose = 0/1 |
'0': don't print extra messages |
'1': print extra messages |
|
debug = 0-9 |
0 : no debug messages |
1-9: debug message level. |
higher numbers produce more messages |
|
profile = 0/1 |
'0': don't generate profiling file 'sim.profile' |
'1': don't generate profiling file 'sim.profile' |
|
prof_fn = "<filename>" |
optional filename for the profiling file. |
valid only if 'profile' is set |
|
mprofile = 0/1 |
'0': don't generate memory profiling file 'sim.mprofile' |
'1': generate memory profiling file 'sim.mprofile' |
|
mprof_fn = "<filename>" |
optional filename for the memory profiling file. |
valid only if 'mprofile' is set |
|
history = 0/1 |
'0': don't track execution flow |
'1': track execution flow |
Execution flow can be tracked for the simulator's |
'hist' command. Useful for back-trace debugging. |
|
iprompt = 0/1 |
'0': start in <not interactive prompt> (so what do we start in ???) |
'1': start in interactive prompt. |
|
exe_log = 0/1 |
'0': don't generate execution log. |
'1': generate execution log. |
|
exe_log = default/hardware/simple/software |
type of execution log, default is used when not specified |
|
exe_log_start = <value> |
index of first instruction to start logging, default = 0 |
|
exe_log_end = <value> |
index of last instruction to end logging; not limited, if omitted |
|
exe_log_marker = <value> |
<value> specifies number of instructions before horizontal marker is |
printed; if zero, markers are disabled (default) |
|
exe_log_fn = "<filename>" |
filename for the exection log file. |
valid only if 'exe_log' is set |
|
clkcycle = <value>[ps|ns|us|ms] |
specifies time measurement for one cycle |
enabled = 0|1 |
nsets = <value> (default: 1) |
nways = <value> (default: 1) |
blocksize = <value> (default: 16) |
ustates = <value> (default: 2) |
hitdelay = <value> (default: 1) |
missdelay = <value> (default: 1) |
*/ |
|
section sim |
verbose = 1 |
debug = 0 |
profile = 0 |
prof_fn = "sim.profile" |
|
history = 1 |
/* iprompt = 0 */ |
exe_log = 0 |
exe_log_type = simple |
/* exe_log_start = 0 */ |
/* exe_log_end = 2000000 */ |
/* exe_log_marker = 50 */ |
exe_log_fn = "executed.log" |
|
/* clkcycle = 10000ns */ |
|
section ic |
enabled = 0 |
nsets = 256 |
nways = 1 |
blocksize = 16 |
hitdelay = 0 |
missdelay = 0 |
end |
|
|
/* SECTION VAPI |
/* Programmable interrupt controller section |
|
This section configures the Verification API, used for Advanced |
Core Verification. |
|
enabled = 0/1 |
'0': disbable VAPI server |
'1': enable/start VAPI server |
|
server_port = <value> |
TCP/IP port to start VAPI server on |
|
log_enabled = 0/1 |
'0': disable VAPI requests logging |
'1': enable VAPI requests logging |
|
hide_device_id = 0/1 |
'0': don't log device id (for compatability with old version) |
'1': log device id |
|
|
vapi_fn = <filename> |
filename for the log file. |
valid only if log_enabled is set |
enabled = 0|1 |
edge_trigger = 0|1 (default: 1) |
*/ |
|
section VAPI |
enabled = 0 |
server_port = 9998 |
log_enabled = 0 |
vapi_log_fn = "vapi.log" |
section pic |
enabled = 1 |
end |
|
|
/* CPU SECTION |
/* Power management section |
|
This section specifies various CPU parameters. |
|
ver = <value> |
rev = <value> |
specifies version and revision of the CPU used |
|
upr = <value> |
changes the upr register |
|
sr = <value> |
sets the initial Supervision Register value |
|
superscalar = 0/1 |
'0': CPU is scalar |
'1': CPU is superscalar |
(modify cpu/or32/execute.c to tune superscalar model) |
|
hazards = 0/1 |
'0': don't track data hazards in superscalar CPU |
'1': track data hazards in superscalar CPU |
If tracked, data hazards can be displayed using the |
simulator's 'r' command. |
|
dependstats = 0/1 |
'0': don't calculate inter-instruction dependencies. |
'1': calculate inter-instruction dependencies. |
If calculated, inter-instruction dependencies can be |
displayed using the simulator's 'stat' command. |
|
sbuf_len = <value> |
length of store buffer (<= 256), 0 = disabled |
enabled = 0|1 |
*/ |
|
section cpu |
ver = 0x1200 |
rev = 0x0001 |
/* upr = */ |
superscalar = 0 |
hazards = 1 |
dependstats = 1 |
sbuf_len = 1 |
end |
|
|
/* PM SECTION |
|
This section specifies Power Management parameters |
|
enabled = 0/1 |
'0': disable power management |
'1': enable power management |
*/ |
|
section pm |
enabled = 0 |
end |
|
|
/* BPB SECTION |
|
This section specifies how branch prediction should behave. |
/* Branch prediction section |
|
enabled = 0/1 |
'0': disable branch prediction |
'1': enable branch prediction |
|
btic = 0/1 |
'0': disable branch target instruction cache model |
'1': enable branch target instruction cache model |
|
sbp_bf_fwd = 0/1 |
Static branch prediction for 'l.bf' |
'0': don't use forward prediction |
'1': use forward prediction |
|
sbp_bnf_fwd = 0/1 |
Static branch prediction for 'l.bnf' |
'0': don't use forward prediction |
'1': use forward prediction |
|
hitdelay = <value> |
number of cycles bpb hit costs |
|
missdelay = <value> |
number of cycles bpb miss costs |
enabled = 0|1 |
btic = 0|1 |
sbp_bf_fwd = 0|1 |
sbp_bnf_fwd = 0|1 |
hitdelay = <value> (default: 0) |
missdelay = <value> (default: 0) |
*/ |
|
section bpb |
enabled = 1 |
btic = 1 |
sbp_bf_fwd = 0 |
sbp_bnf_fwd = 0 |
hitdelay = 0 |
missdelay = 0 |
enabled = 0 |
end |
|
|
/* DEBUG SECTION |
/* Debug unit section |
|
This sections specifies how the debug unit should behave. |
|
enabled = 0/1 |
'0': disable debug unit |
'1': enable debug unit |
|
gdb_enabled = 0/1 |
'0': don't start gdb server |
'1': start gdb server at port 'server_port' |
|
server_port = <value> |
TCP/IP port to start gdb server on |
valid only if gdb_enabled is set |
|
vapi_id = <hex_value> |
Used to create "fake" vapi log file containing the JTAG proxy messages. |
enabled = 0|1 |
rsp_enabled = 0|1 |
rsp_port = <value> (default: 51000) |
vapi_id = <value> (default: 0) |
*/ |
section debug |
enabled = 1 |
gdb_enabled = 1 |
server_port = 9999 |
rsp_enabled = 1 |
rsp_port = 9999 |
end |
|
/* MC SECTION |
|
This section configures the memory controller |
/* Memory controller section |
|
enabled = 0/1 |
'0': disable memory controller |
'1': enable memory controller |
|
baseaddr = <hex_value> |
address of first MC register |
|
POC = <hex_value> |
Power On Configuration register |
|
index = <value> |
Index of this memory controller amongst all the memory controllers |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
POC = <value> (default: 0) |
index = <value> (default: 0) |
*/ |
|
section mc |
enabled = 0 |
baseaddr = 0x60000000 |
POC = 0x00000008 /* Power on configuration register */ |
index = 0 |
enabled = 0 |
baseaddr = 0x93000000 |
POC = 0x0000000a /* 32 bit SSRAM */ |
index = 0 |
end |
|
|
/* UART SECTION |
/* UART section |
|
This section configures the UARTs |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
|
baseaddr = <hex_value> |
address of first UART register for this device |
|
|
channel = <channeltype>:<args> |
|
The channel parameter indicates the source of received UART characters |
and the sink for transmitted UART characters. |
|
The <channeltype> can be either "file", "xterm", "tcp", "fd", or "tty" |
(without quotes). |
|
A) To send/receive characters from a pair of files, use a file |
channel: |
|
channel=file:<rxfile>,<txfile> |
|
B) To create an interactive terminal window, use an xterm channel: |
|
channel=xterm:[<xterm_arg>]* |
|
C) To create a bidirectional tcp socket which one could, for example, |
access via telnet, use a tcp channel: |
|
channel=tcp:<port number> |
|
D) To cause the UART to read/write from existing numeric file |
descriptors, use an fd channel: |
|
channel=fd:<rx file descriptor num>,<tx file descriptor num> |
|
E) To connect the UART to a physical serial port, create a tty |
channel: |
|
channel=tty:device=/dev/ttyS0,baud=9600 |
|
irq = <value> |
irq number for this device |
|
16550 = 0/1 |
'0': this device is a UART16450 |
'1': this device is a UART16550 |
|
jitter = <value> |
in msecs... time to block, -1 to disable it |
|
vapi_id = <hex_value> |
VAPI id of this instance |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
channel = "value>" (default: "xterm:") |
irq = <value> (default: 0) |
16550 = 0|1 |
jitter = <value> (default: 0) |
vapi_id = <value> (default: 0) |
*/ |
|
section uart |
enabled = 1 |
enabled = 1 |
baseaddr = 0x90000000 |
irq = 2 |
/*channel = "file:uart0.rx,uart0.tx"*/ |
/*channel = "tcp:10084" */ |
channel = "xterm:" |
/*channel = "tcp:10000"*/ |
jitter = -1 /* async behaviour */ |
16550 = 1 |
irq = 2 |
16550 = 1 |
end |
|
|
/* DMA SECTION |
/* DMA section |
|
This section configures the DMAs |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
|
baseaddr = <hex_value> |
address of first DMA register for this device |
|
irq = <value> |
irq number for this device |
|
vapi_id = <hex_value> |
VAPI id of this instance |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
irq = <value> (default: 0) |
vapi_id = <value> (default: 0) |
*/ |
|
section dma |
enabled = 0 |
enabled = 0 |
baseaddr = 0x9a000000 |
irq = 11 |
irq = 11 |
end |
|
|
/* ETHERNET SECTION |
/* Ethernet section |
|
This section configures the ETHERNETs |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
|
baseaddr = <hex_value> |
address of first ethernet register for this device |
|
dma = <value> |
which controller is this ethernet "connected" to |
|
irq = <value> |
ethernet mac IRQ level |
|
rtx_type = <value> |
use 0 - file interface, 1 - socket interface |
|
rx_channel = <value> |
DMA channel used for RX |
|
tx_channel = <value> |
DMA channel used for TX |
|
rxfile = "<filename>" |
filename, where to read data from |
|
txfile = "<filename>" |
filename, where to write data to |
|
sockif = "<ifacename>" |
interface name of ethernet socket |
|
vapi_id = <hex_value> |
VAPI id of this instance |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
dma = <value> (default: 0) |
irq = <value> (default: 0) |
rtx_type = 0|1 |
rx_channel = <value> (default: 0) |
tx_channel = <value> (default: 0) |
rxfile = "<filename>" (default: "eth_rx") |
txfile = "<filename>" (default: "eth_rx") |
sockif = "<service>" (default: "or1ksim_eth") |
vapi_id = <value> (default: 0) |
*/ |
|
section ethernet |
enabled = 0 |
enabled = 0 |
baseaddr = 0x92000000 |
dma = 0 |
irq = 4 |
irq = 4 |
rtx_type = 0 |
tx_channel = 0 |
rx_channel = 1 |
rxfile = "eth0.rx" |
txfile = "eth0.tx" |
sockif = "eth0" |
end |
|
|
/* GPIO SECTION |
/* GPIO section |
|
This section configures the GPIOs |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
|
baseaddr = <hex_value> |
address of first GPIO register for this device |
|
irq = <value> |
irq number for this device |
|
base_vapi_id = <hex_value> |
first VAPI id of this instance |
GPIO uses 8 consecutive VAPI IDs |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
irq = <value> (default: 0) |
base_vapi_id = <value> (default: 0) |
*/ |
|
section gpio |
enabled = 1 |
baseaddr = 0x91000000 |
irq = 3 |
enabled = 1 |
baseaddr = 0x91000000 |
irq = 3 |
base_vapi_id = 0x0200 |
end |
|
/* VGA SECTION |
/* VGA section |
|
This section configures the VGA/LCD controller |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
|
baseaddr = <hex_value> |
address of first VGA register |
|
irq = <value> |
irq number for this device |
|
refresh_rate = <value> |
number of cycles between screen dumps |
|
filename = "<filename>" |
template name for generated names (e.g. "primary" produces "primary0023.bmp") |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
irq = <value> (default: 0) |
refresh_rate = <value> (default: cycles equivalent to 50Hz) |
filename = "<filename>" (default: "vga_out)) |
*/ |
|
section vga |
enabled = 0 |
baseaddr = 0x97100000 |
irq = 8 |
refresh_rate = 100000 |
filename = "primary" |
enabled = 0 |
baseaddr = 0x97100000 |
irq = 8 |
end |
|
|
/* TICK TIMER SECTION |
|
This section configures tick timer |
|
enabled = 0/1 |
whether tick timer is enabled |
*/ |
section tick |
enabled = 1 |
irq = 3 |
end |
|
section pic |
enabled = 1 |
edge_trigger = 1 |
end |
|
/* FB SECTION |
/* Frame buffer section |
|
This section configures the frame buffer |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
|
baseaddr = <hex_value> |
base address of frame buffer |
|
paladdr = <hex_value> |
base address of first palette entry |
|
refresh_rate = <value> |
number of cycles between screen dumps |
|
filename = "<filename>" |
template name for generated names (e.g. "primary" produces "primary0023.bmp") |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
refresh_rate = <value> (default: cycles equivalent to 50Hz) |
filename = "<filename>" (default: "fb_out)) |
*/ |
section fb |
enabled = 0 |
baseaddr = 0x97000000 |
refresh_rate = 1000000 |
filename = "primary" |
enabled = 0 |
baseaddr = 0x97000000 |
end |
|
/* KBD SECTION |
|
/* PS2 keyboard section |
|
This section configures the PS/2 compatible keyboard |
|
baseaddr = <hex_value> |
base address of the keyboard device |
|
rxfile = "<filename>" |
filename, where to read data from |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
irq = <value> (default: 0) |
rxfile = "<filename>" (default: "kbd_in") |
*/ |
section kbd |
enabled = 0 |
irq = 5 |
enabled = 0 |
baseaddr = 0x94000000 |
rxfile = "kbd.rx" |
irq = 5 |
end |
|
/* ATA SECTION |
|
/* ATA disc section |
|
This section configures the ATA/ATAPI host controller |
|
baseaddr = <hex_value> |
address of first ATA register |
|
enabled = <0|1> |
Enable/disable the peripheral. By default if it is enabled. |
enabled = 0|1 |
baseaddr = <value> (default: 0) |
irq = <value> (default: 0) |
dev_id = 1|2|3 |
rev = 0-15 (default: 1) |
pio_mode0_t1 = 0-255 (default: 6) |
pio_mode0_t2 = 0-255 (default: 28) |
pio_mode0_t4 = 0-255 (default: 2) |
pio_mode0_teoc = 0-255 (default: 23) |
dma_mode0_tm = 0-255 (default: 4) |
dma_mode0_td = 0-255 (default: 21) |
dma_mode0_teoc = 0-255 (default: 21) |
device = 0|1 |
|
irq = <value> |
irq number for this device |
Device specific: |
|
debug = <value> |
debug level for ata models. |
0: no debug messages |
1: verbose messages |
3: normal messages (more messages than verbose) |
5: debug messages (normal debug messages) |
7: flow control messages (debug statemachine flows) |
9: low priority message (display everything the code does) |
|
dev_type0/1 = <value> |
ata device 0 type |
0: NO_CONNeCT: none (not connected) |
1: FILE : simulated harddisk |
2: LOCAL : local system harddisk |
|
dev_file0/1 = "<filename>" |
filename for simulated ATA device |
valid only if dev_type0 == 1 |
|
dev_size0/1 = <value> |
size of simulated hard-disk (in MBytes) |
valid only if dev_type0 == 1 |
|
dev_packet0/1 = <value> |
0: simulated ATA device does NOT implement PACKET command feature set |
1: simulated ATA device does implement PACKET command feature set |
|
FIXME: irq number |
type = 0|1|2 |
file = "<filename>" (default: "ata_file<type>") |
size = <value> (default: 0) |
packet = 0|1 |
firmware = "<string>" (default: "02207031") |
heads = <value> (default: 7) |
sectors = <value> (default: 32) |
mwdma = 2|1|0|-1 |
pio = 4|3|2|1|0 |
*/ |
section ata |
enabled = 0 |
enabled = 0 |
baseaddr = 0x9e000000 |
irq = 15 |
irq = 15 |
|
dev_type0 = 1 |
dev_file0 = "/tmp/sim_atadev0" |
dev_size0 = 1 |
dev_packet0 = 0 |
device 0 |
type = 1 |
size = 1 |
enddevice |
end |
|
dev_type1 = 0 |
dev_file1 = "" |
dev_size1 = 0 |
dev_packet1 = 0 |
|
/* Generic peripheral section |
|
enabled = 0|1 |
baseaddr = <value> (default: 0) |
size = <value> (default: 0) |
name = "<string>" (default: "anonymous external peripheral") |
byte_enabled = 1|0 |
hw_enabled = 1|0 |
word_enabled = 1|0 |
*/ |
section generic |
enabled = 0 |
end |
|
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/arch/interrupts.c
1,47 → 1,142
#include "../../../Source/portable/GCC/OpenRISC/portmacro.h" |
/* This file is part of test microkernel for OpenRISC 1000. */ |
/* (C) 2001 Simon Srot, srot@opencores.org */ |
|
#include "support.h" |
#include "spr_defs.h" |
#include "interrupts.h" |
|
/* Interrupt handlers table */ |
static struct ihnd int_handlers[MAX_INT_HANDLERS]; |
|
/* Initialize routine */ |
int int_init(void) { |
int i; |
|
// initialize Interrupt handler table |
for(i = 0; i < MAX_INT_HANDLERS; i++) { |
int_handlers[i].handler = 0; |
int_handlers[i].arg = 0; |
} |
|
// mask all interrupt |
mtspr(SPR_PICMR, 0x00000000); |
|
// set OR1200 to accept exceptions (external interrupt enable) |
mtspr(SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE); |
|
return 0; |
} |
|
/* Add interrupt handler */ |
int int_add(unsigned long vect, void (* handler)(void *), void *arg) { |
if(vect >= MAX_INT_HANDLERS) |
return -1; |
|
int_handlers[vect].handler = handler; |
int_handlers[vect].arg = arg; |
|
mtspr(SPR_PICMR, mfspr(SPR_PICMR) | (0x00000001L << vect)); |
|
return 0; |
} |
|
/* Disable interrupt */ |
int int_disable(unsigned long vect) { |
if(vect >= MAX_INT_HANDLERS) |
return -1; |
|
mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(0x00000001L << vect)); |
|
return 0; |
} |
|
/* Enable interrupt */ |
int int_enable(unsigned long vect) { |
if(vect >= MAX_INT_HANDLERS) |
return -1; |
|
mtspr(SPR_PICMR, mfspr(SPR_PICMR) | (0x00000001L << vect)); |
|
return 0; |
} |
|
/* Main interrupt handler */ |
void int_main(void) { |
unsigned long picsr = mfspr(SPR_PICSR); // process only the interrupts asserted at signal catch, ignore all during process |
unsigned long i = 0; |
|
while(i < 32) { |
if((picsr & (0x01L << i)) && (int_handlers[i].handler != 0)) { |
(*int_handlers[i].handler)(int_handlers[i].arg); |
} |
i++; |
} |
|
mtspr(SPR_PICSR, 0); // clear interrupt status: all modules have level interrupts, which have to be cleared by software, |
} // thus this is safe, since non processed interrupts will get re-asserted soon enough |
|
// Dummy or32 except vectors |
void buserr_except(void) { |
uart_print_str("buserr_except\n\r"); |
while(1) ; |
} |
|
void dpf_except(void) { |
uart_print_str("dpf_except\n\r"); |
while(1) ; |
} |
|
void ipf_except(void) { |
uart_print_str("ipf_except\n\r"); |
while(1) ; |
} |
|
void align_except(void) { |
uart_print_str("align_except\n\r"); |
while(1) ; |
} |
|
void illegal_except(void) { |
uart_print_str("illegal_except\n\r"); |
while(1) ; |
} |
|
void dtlbmiss_except(void) { |
uart_print_str("dtlbmiss_except\n\r"); |
while(1) ; |
} |
|
void itlbmiss_except(void) { |
uart_print_str("itlbmiss_except\n\r"); |
while(1) ; |
} |
|
void range_except(void) { |
uart_print_str("range_except\n\r"); |
while(1) ; |
} |
|
void res1_except(void) { |
uart_print_str("res1_except\n\r"); |
} |
|
void trap_except(void) { |
uart_print_str("trap_except\n\r"); |
} |
|
void res2_except(void) { |
uart_print_str("res2_except\n\r"); |
} |
|
void misc_int_handler(int arg) { |
switch(arg) { |
case 0x200: { buserr_except(); break; } |
case 0x300: { dpf_except(); break; } |
case 0x400: { ipf_except(); break; } |
case 0x600: { align_except(); break; } |
case 0x700: { illegal_except(); break; } |
case 0x900: { dtlbmiss_except(); break; } |
case 0xa00: { itlbmiss_except(); break; } |
case 0xb00: { range_except(); break; } |
case 0xd00: { res1_except(); break; } |
case 0xe00: { trap_except(); break; } |
case 0xf00: { res2_except(); break; } |
default: { break; } |
} |
} |
|
static void syscall_enter_critical(void) { |
unsigned int exception_sr = mfspr(SPR_ESR_BASE); |
exception_sr &= (~SPR_SR_IEE); // disable all external interrupt |
59,29 → 154,15
} |
|
void syscall_except(int id) { |
if(id == 0x0FCE) { |
if(id == 0x0FCC) { |
vTaskSwitchContext(); |
} else if(id == 0x0FCE) { |
syscall_enter_critical(); |
} else if(id == 0x0FCF) { |
syscall_exit_critical(); |
} else { |
uart_put_int(id); |
uart_print_int(id); |
uart_print_str(" syscall is not impelmented yet....\n\r"); |
} |
} |
|
|
void res1_except(void) { |
uart_print_str("res1_except\n\r"); |
while(1) ; |
} |
|
void trap_except(void) { |
uart_print_str("trap_except\n\r"); |
while(1) ; |
} |
|
void res2_except(void) { |
uart_print_str("res2_except\n\r"); |
while(1) ; |
} |
|
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/arch/reset.S
46,275 → 46,150
l.jr r3 |
l.nop |
|
|
.org 0x200 |
|
_except_200: |
l.nop |
l.addi r1,r1,-116 // free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 // save register r9(return addr) to stack |
l.jal store_regs // save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) // set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) // set return addr to end_except instruction |
l.j buserr_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0x200 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0x300 |
|
_except_300: |
l.nop |
l.addi r1,r1,-116 // free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 // save register r9(return addr) to stack |
l.jal store_regs // save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) // set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) // set return addr to end_except instruction |
l.j dpf_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0x300 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0x400 |
|
_except_400: |
l.nop |
l.addi r1,r1,-116 // free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 // save register r9(return addr) to stack |
l.jal store_regs // save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) // set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) // set return addr to end_except instruction |
l.j ipf_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0x400 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0x500 |
|
_except_500: |
l.nop |
l.j vTickHandler |
l.j vPortTickHandler |
l.nop |
|
|
.org 0x600 |
|
_except_600: |
l.nop |
l.addi r1,r1,-116 // free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 // save register r9(return addr) to stack |
l.jal store_regs // save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) // set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) // set return addr to end_except instruction |
l.j align_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0x600 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0x700 |
|
_except_700: |
l.nop |
l.addi r1,r1,-116 // free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 // save register r9(return addr) to stack |
l.jal store_regs // save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j illegal_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0x700 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0x800 |
|
_except_800: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.j vPortExtIntHandler |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j ext_except //jmp to C interrupt handler (returns later to end_except) |
l.nop |
|
|
.org 0x900 |
|
_except_900: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j dtlbmiss_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0x900 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0xa00 |
|
_except_a00: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j itlbmiss_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0xa00 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0xb00 |
|
_except_b00: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j range_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0xb00 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0xc00 |
|
_except_c00: |
.global PortCC |
.global vPortSystemCall |
l.nop |
l.sfeqi r11, 0x0FCC |
l.bnf 1f |
l.j vPortSystemCall |
l.nop |
l.j PortCC |
l.nop |
|
1: |
l.addi r1, r1, 4 //FIXME |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1), FIXME comment |
l.sw -0x8(r1), r11 |
l.lwz r11, 112(r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.lwz r3, -0x8(r1) |
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j syscall_except |
l.nop |
|
.org 0xd00 |
|
_except_d00: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j res1_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0xd00 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0xe00 |
|
_except_e00: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j trap_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0xe00 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
|
.org 0xf00 |
|
_except_f00: |
l.nop |
l.addi r1,r1,-116 //free 29 words of stack (stack is r1) |
l.sw 0x18(r1),r9 //save register r9(return addr) to stack |
l.jal store_regs //save registers r3-r31 (except r9) to stack (r9 is changed here) |
l.nop |
|
l.movhi r9,hi(end_except) //set return addr to end_except instruction |
l.ori r9,r9,lo(end_except) //set return addr to end_except instruction |
l.j res2_except |
l.sw -4(r1), r3 |
l.addi r3, r0, 0xf00 |
l.sw -132(r1), r3 |
l.lwz r3, -4(r1) |
l.j vPortMiscIntHandler |
l.nop |
|
store_regs: //save registers r3-r31 (except r9) to stack |
l.sw 0x00(r1),r3 |
l.sw 0x04(r1),r4 |
l.sw 0x08(r1),r5 |
l.sw 0x0c(r1),r6 |
l.sw 0x10(r1),r7 |
l.sw 0x14(r1),r8 |
l.sw 0x1c(r1),r10 |
l.sw 0x20(r1),r11 |
l.sw 0x24(r1),r12 |
l.sw 0x28(r1),r13 |
l.sw 0x2c(r1),r14 |
l.sw 0x30(r1),r15 |
l.sw 0x34(r1),r16 |
l.sw 0x38(r1),r17 |
l.sw 0x3c(r1),r18 |
l.sw 0x40(r1),r19 |
l.sw 0x44(r1),r20 |
l.sw 0x48(r1),r21 |
l.sw 0x4c(r1),r22 |
l.sw 0x50(r1),r23 |
l.sw 0x54(r1),r24 |
l.sw 0x58(r1),r25 |
l.sw 0x5c(r1),r26 |
l.sw 0x60(r1),r27 |
l.sw 0x64(r1),r28 |
l.sw 0x68(r1),r29 |
l.sw 0x6c(r1),r30 |
l.sw 0x70(r1),r31 |
l.jr r9 |
l.nop |
|
end_except: //load back registers from stack r3-r31 |
l.lwz r3,0x00(r1) |
l.lwz r4,0x04(r1) |
l.lwz r5,0x08(r1) |
l.lwz r6,0x0c(r1) |
l.lwz r7,0x10(r1) |
l.lwz r8,0x14(r1) |
l.lwz r9,0x18(r1) |
l.lwz r10,0x1c(r1) |
l.lwz r11,0x20(r1) |
l.lwz r12,0x24(r1) |
l.lwz r13,0x28(r1) |
l.lwz r14,0x2c(r1) |
l.lwz r15,0x30(r1) |
l.lwz r16,0x34(r1) |
l.lwz r17,0x38(r1) |
l.lwz r18,0x3c(r1) |
l.lwz r19,0x40(r1) |
l.lwz r20,0x44(r1) |
l.lwz r21,0x48(r1) |
l.lwz r22,0x4c(r1) |
l.lwz r23,0x50(r1) |
l.lwz r24,0x54(r1) |
l.lwz r25,0x58(r1) |
l.lwz r26,0x5c(r1) |
l.lwz r27,0x60(r1) |
l.lwz r28,0x64(r1) |
l.lwz r29,0x68(r1) |
l.lwz r30,0x6c(r1) |
l.lwz r31,0x70(r1) |
l.addi r1,r1,116 //free stack places |
l.rfe //recover SR register and prior PC (jumps back to program) |
l.nop |
|
|
.section .text |
|
_start: |
372,7 → 247,7
1: |
l.sfeq r2, r3 |
l.bf __main |
l.noP |
l.nop |
|
l.sw 0x0(r2), r0 |
l.addi r2, r2, 0x4 |
381,7 → 256,7
|
/* Jump to main */ |
__main: |
l.movhi r2,hi(_main) |
l.ori r2,r2,lo(_main) |
l.movhi r2, hi(_main) |
l.ori r2, r2, lo(_main) |
l.jr r2 |
l.nop |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/arch/interrupts.h
0,0 → 1,14
/* Number of interrupt handlers */ |
#define MAX_INT_HANDLERS 32 |
|
/* Handler entry */ |
struct ihnd { |
void (*handler)(void *); |
void *arg; |
}; |
|
/* Add interrupt handler */ |
int int_add(unsigned long vect, void (*handler)(void *), void *arg); |
|
/* Initialize routine */ |
int int_init(void); |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/arch/Makefile
1,8 → 1,8
include ../Makefile.inc |
|
CFLAGS += -DIC=0 -DDC=0 |
CFLAGS += -DIC=0 -DDC=0 -g |
|
SRC_C = support.c int.c interrupts.c |
SRC_C = support.c interrupts.c |
SRC_S = reset.S |
|
OBJ_C = $(SRC_C:.c=.o) |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/arch/support.c
1,14 → 1,7
/* Support */ |
#include "spr_defs.h" |
#include "support.h" |
#include "int.h" |
|
void int_main(); |
|
void ext_except(void) { |
int_main(); |
} |
|
/* Start function, called by reset exception handler. */ |
static char *main_argv[2] = {"NULL", " "}; |
|
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/drivers/uart.h
122,6 → 122,6
void uart_putc(char); |
char uart_getc(void); |
void uart_print_str(char *p); |
void uart_put_int(int n); |
void uart_print_int(int n); |
|
#endif |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/drivers/uart.c
35,9 → 35,6
/* Set RX interrupt for each byte */ |
REG8(UART_BASE + UART_FCR) = UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT | UART_FCR_TRIGGER_1; |
|
/* Enable RX interrupt */ |
REG8(UART_BASE + UART_IER) = UART_IER_RDI | UART_IER_THRI; |
|
/* Set 8 bit char, 1 stop bit, no parity */ |
REG8(UART_BASE + UART_LCR) = UART_LCR_WLEN8 & ~(UART_LCR_STOP | UART_LCR_PARITY); |
|
80,7 → 77,7
} |
} |
|
void uart_put_int(int n) { |
void uart_print_int(int n) { |
int a; |
char c; |
if (n<0) { |
89,7 → 86,7
} |
|
a = n/10; |
if(a) uart_put_int(a); |
if(a) uart_print_int(a); |
|
c = '0' + (n % 10); |
uart_putc(c); |
/rtos/freertos-6.1.1/Demo/OpenRISC_SIM_GCC/drivers/Makefile
1,7 → 1,7
include ../Makefile.inc |
|
INCDIR = -I../arch |
CFLAGS += $(INCDIR) |
CFLAGS += $(INCDIR) -g |
|
SRC_C = uart.c |
SRC_S = |