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https://github.com/crosstool-ng/crosstool-ng.git
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openrisc: Initial OpenRISC 1000 support
This target is in GCC/binutils/Linux/Glibc/musl for a while. Baremetal/glibc/musl toolchains are all build tested. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
This commit is contained in:
Jiaxun Yang
Chris Packham
parent
51bda9ebd6
commit
b07f41fe31
13
config/arch/openrisc.in
Normal file
13
config/arch/openrisc.in
Normal file
@ -0,0 +1,13 @@
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# OpenRISC specific configuration file
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## no-package
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## select ARCH_SUPPORTS_32
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## select ARCH_DEFAULT_32
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## select ARCH_SUPPORTS_BOTH_MMU
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## select ARCH_DEFAULT_BE
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## select ARCH_SUPPORTS_WITH_ARCH
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## select ARCH_SUPPORTS_FLAT_FORMAT
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## depends on EXPERIMENTAL
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##
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## help The OpenRISC architecture
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## help https://openrisc.io/
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150
packages/newlib/4.3.0.20230120/0003-or1k-fix-compiler-warnings.patch
vendored
Normal file
150
packages/newlib/4.3.0.20230120/0003-or1k-fix-compiler-warnings.patch
vendored
Normal file
@ -0,0 +1,150 @@
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From 8e53c587597a33fec5f41a540a9b1b20d53fb439 Mon Sep 17 00:00:00 2001
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From: Stafford Horne <shorne@gmail.com>
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Date: Thu, 12 Dec 2024 16:23:03 +0000
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Subject: [PATCH] or1k: Fix compiler warnings
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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In my build the below are treated as error now and causing failures. I
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have described the fixes of each warning below.
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In newlib/libc/sys/or1k/mlock.c:
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CC libc/sys/or1k/libc_a-mlock.o
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newlib/libc/sys/or1k/mlock.c: In function ‘__malloc_lock’:
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newlib/libc/sys/or1k/mlock.c:56:19: warning: implicit declaration of function ‘or1k_critical_begin’ [-Wimplicit-function-declaration]
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56 | restore = or1k_critical_begin();
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| ^~~~~~~~~~~~~~~~~~~
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newlib/libc/sys/or1k/mlock.c: In function ‘__malloc_unlock’:
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newlib/libc/sys/or1k/mlock.c:93:17: warning: implicit declaration of function ‘or1k_critical_end’ [-Wimplicit-function-declaration]
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93 | or1k_critical_end(restore);
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| ^~~~~~~~~~~~~~~~~
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This patch adds prototypes for functions or1k_critical_begin and
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or1k_critical_end to suppress the warning, inline with what we do for
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or1k_sync_cas.
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In libgloss/or1k/or1k_uart.c:
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libgloss/or1k/or1k_uart.c: In function ‘or1k_uart_set_read_cb’:
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libgloss/or1k/or1k_uart.c:163:25: warning: passing argument 2 of ‘or1k_interrupt_handler_add’ from incompatible pointer type [-Wincompatible-pointer-types]
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163 | _or1k_uart_interrupt_handler, 0);
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| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| |
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| void (*)(uint32_t) {aka void (*)(long unsigned int)}
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In file included from libgloss/or1k/or1k_uart.c:19:
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libgloss/or1k/include/or1k-support.h:97:45: note: expected ‘or1k_interrupt_handler_fptr’ {aka ‘void (*)(void *)’} but argument is of type ‘void (*)(uint32_t)’ {aka ‘void (*)(long unsigned int)’}
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97 | or1k_interrupt_handler_fptr handler,
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
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The public API is ‘void (*)(void *)' for our interrupt handlers. The
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function _or1k_uart_interrupt_hander is the internal default
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implementation of the uart IRQ handler and it doesn't use the data
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argument.
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This patch updates the _or1k_uart_interrupt_handler argument type from
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uint32_t to void* allowing the function prototype to match the required
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prototype.
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If we did have a 64-bit implementation it would be an ABI issue. But,
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there never has been one, or1k is only 32-bit.
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In libgloss/or1k/interrupts.c:
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libgloss/or1k/interrupts.c: In function ‘or1k_interrupt_handler_add’:
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libgloss/or1k/interrupts.c:41:52: warning: assignment to ‘void *’ from ‘long unsigned int’ makes pointer from integer without a cast [-Wint-conversion]
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41 | _or1k_interrupt_handler_data_ptr_table[id] = (uint32_t) data_ptr;
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| ^
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The table _or1k_interrupt_handler_data_ptr_table is an array of void*
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and data_ptr is void*. There is no need for the cast so remove it.
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In libgloss/or1k/sbrk.c:
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libgloss/or1k/sbrk.c:23:29: warning: initialization of ‘uint32_t’ {aka ‘long unsigned int’} from ‘uint32_t *’ {aka ‘long unsigned int *’} makes integer from pointer without a cast [-Wint-conversion]
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23 | uint32_t _or1k_heap_start = &end;
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|
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This patch adds a cast, which is safe in or1k as the architecture in
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32-bit only. But this code would not be 64-compatible.
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Signed-off-by: Stafford Horne <shorne@gmail.com>
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---
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libgloss/or1k/interrupts.c | 4 ++--
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libgloss/or1k/or1k_uart.c | 2 +-
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libgloss/or1k/or1k_uart.h | 2 +-
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libgloss/or1k/sbrk.c | 2 +-
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newlib/libc/sys/or1k/mlock.c | 3 +++
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5 files changed, 8 insertions(+), 5 deletions(-)
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diff --git a/libgloss/or1k/interrupts.c b/libgloss/or1k/interrupts.c
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index 6badc497c1..516d74be38 100644
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--- a/libgloss/or1k/interrupts.c
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+++ b/libgloss/or1k/interrupts.c
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@@ -35,10 +35,10 @@ void or1k_interrupt_handler_add(uint32_t id,
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{
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#ifdef __OR1K_MULTICORE__
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_or1k_interrupt_handler_table[or1k_coreid()][id] = handler;
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- _or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = (uint32_t) data_ptr;
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+ _or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = data_ptr;
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#else
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_or1k_interrupt_handler_table[id] = handler;
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- _or1k_interrupt_handler_data_ptr_table[id] = (uint32_t) data_ptr;
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+ _or1k_interrupt_handler_data_ptr_table[id] = data_ptr;
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#endif
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}
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diff --git a/libgloss/or1k/or1k_uart.c b/libgloss/or1k/or1k_uart.c
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index 0a991e6baf..1391d565c6 100644
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--- a/libgloss/or1k/or1k_uart.c
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+++ b/libgloss/or1k/or1k_uart.c
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@@ -90,7 +90,7 @@ void (*_or1k_uart_read_cb)(char c);
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* This is the interrupt handler that is registered for the callback
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* function.
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*/
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-void _or1k_uart_interrupt_handler(uint32_t data)
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+void _or1k_uart_interrupt_handler(void *data)
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{
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uint8_t iir = REG8(IIR);
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diff --git a/libgloss/or1k/or1k_uart.h b/libgloss/or1k/or1k_uart.h
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index 4cbb68350d..201b7749f6 100644
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--- a/libgloss/or1k/or1k_uart.h
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+++ b/libgloss/or1k/or1k_uart.h
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@@ -30,7 +30,7 @@ extern void (*_or1k_uart_read_cb)(char c);
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/**
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* The UART interrupt handler
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*/
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-void _or1k_uart_interrupt_handler(uint32_t data);
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+void _or1k_uart_interrupt_handler(void *data);
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/**
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* Initialize UART
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diff --git a/libgloss/or1k/sbrk.c b/libgloss/or1k/sbrk.c
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index 0c3e66e876..ca196d2282 100644
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--- a/libgloss/or1k/sbrk.c
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+++ b/libgloss/or1k/sbrk.c
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@@ -20,7 +20,7 @@
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#include "include/or1k-support.h"
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extern uint32_t end; /* Set by linker. */
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-uint32_t _or1k_heap_start = &end;
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+uint32_t _or1k_heap_start = (uint32_t) &end;
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uint32_t _or1k_heap_end;
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void *
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diff --git a/newlib/libc/sys/or1k/mlock.c b/newlib/libc/sys/or1k/mlock.c
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index ccb8401611..a0c0383356 100644
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--- a/newlib/libc/sys/or1k/mlock.c
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+++ b/newlib/libc/sys/or1k/mlock.c
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@@ -38,6 +38,9 @@ volatile uint32_t _or1k_malloc_lock_restore;
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extern uint32_t or1k_sync_cas(void *address, uint32_t compare, uint32_t swap);
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+extern uint32_t or1k_critical_begin();
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+extern void or1k_critical_end(uint32_t restore);
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+
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/**
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* Recursive lock of the malloc
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*/
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150
packages/newlib/4.4.0.20231231/0000-or1k-fix-compiler-warnings.patch
vendored
Normal file
150
packages/newlib/4.4.0.20231231/0000-or1k-fix-compiler-warnings.patch
vendored
Normal file
@ -0,0 +1,150 @@
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From 8e53c587597a33fec5f41a540a9b1b20d53fb439 Mon Sep 17 00:00:00 2001
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From: Stafford Horne <shorne@gmail.com>
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Date: Thu, 12 Dec 2024 16:23:03 +0000
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Subject: [PATCH] or1k: Fix compiler warnings
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
|
||||
In my build the below are treated as error now and causing failures. I
|
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have described the fixes of each warning below.
|
||||
|
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In newlib/libc/sys/or1k/mlock.c:
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|
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CC libc/sys/or1k/libc_a-mlock.o
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newlib/libc/sys/or1k/mlock.c: In function ‘__malloc_lock’:
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newlib/libc/sys/or1k/mlock.c:56:19: warning: implicit declaration of function ‘or1k_critical_begin’ [-Wimplicit-function-declaration]
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56 | restore = or1k_critical_begin();
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| ^~~~~~~~~~~~~~~~~~~
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newlib/libc/sys/or1k/mlock.c: In function ‘__malloc_unlock’:
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newlib/libc/sys/or1k/mlock.c:93:17: warning: implicit declaration of function ‘or1k_critical_end’ [-Wimplicit-function-declaration]
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93 | or1k_critical_end(restore);
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| ^~~~~~~~~~~~~~~~~
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This patch adds prototypes for functions or1k_critical_begin and
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or1k_critical_end to suppress the warning, inline with what we do for
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or1k_sync_cas.
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|
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In libgloss/or1k/or1k_uart.c:
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|
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libgloss/or1k/or1k_uart.c: In function ‘or1k_uart_set_read_cb’:
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libgloss/or1k/or1k_uart.c:163:25: warning: passing argument 2 of ‘or1k_interrupt_handler_add’ from incompatible pointer type [-Wincompatible-pointer-types]
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163 | _or1k_uart_interrupt_handler, 0);
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| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| |
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| void (*)(uint32_t) {aka void (*)(long unsigned int)}
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In file included from libgloss/or1k/or1k_uart.c:19:
|
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libgloss/or1k/include/or1k-support.h:97:45: note: expected ‘or1k_interrupt_handler_fptr’ {aka ‘void (*)(void *)’} but argument is of type ‘void (*)(uint32_t)’ {aka ‘void (*)(long unsigned int)’}
|
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97 | or1k_interrupt_handler_fptr handler,
|
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
|
||||
|
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The public API is ‘void (*)(void *)' for our interrupt handlers. The
|
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function _or1k_uart_interrupt_hander is the internal default
|
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implementation of the uart IRQ handler and it doesn't use the data
|
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argument.
|
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|
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This patch updates the _or1k_uart_interrupt_handler argument type from
|
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uint32_t to void* allowing the function prototype to match the required
|
||||
prototype.
|
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|
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If we did have a 64-bit implementation it would be an ABI issue. But,
|
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there never has been one, or1k is only 32-bit.
|
||||
|
||||
In libgloss/or1k/interrupts.c:
|
||||
|
||||
libgloss/or1k/interrupts.c: In function ‘or1k_interrupt_handler_add’:
|
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libgloss/or1k/interrupts.c:41:52: warning: assignment to ‘void *’ from ‘long unsigned int’ makes pointer from integer without a cast [-Wint-conversion]
|
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41 | _or1k_interrupt_handler_data_ptr_table[id] = (uint32_t) data_ptr;
|
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| ^
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|
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The table _or1k_interrupt_handler_data_ptr_table is an array of void*
|
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and data_ptr is void*. There is no need for the cast so remove it.
|
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|
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In libgloss/or1k/sbrk.c:
|
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|
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libgloss/or1k/sbrk.c:23:29: warning: initialization of ‘uint32_t’ {aka ‘long unsigned int’} from ‘uint32_t *’ {aka ‘long unsigned int *’} makes integer from pointer without a cast [-Wint-conversion]
|
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23 | uint32_t _or1k_heap_start = &end;
|
||||
|
|
||||
|
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This patch adds a cast, which is safe in or1k as the architecture in
|
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32-bit only. But this code would not be 64-compatible.
|
||||
|
||||
Signed-off-by: Stafford Horne <shorne@gmail.com>
|
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---
|
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libgloss/or1k/interrupts.c | 4 ++--
|
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libgloss/or1k/or1k_uart.c | 2 +-
|
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libgloss/or1k/or1k_uart.h | 2 +-
|
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libgloss/or1k/sbrk.c | 2 +-
|
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newlib/libc/sys/or1k/mlock.c | 3 +++
|
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5 files changed, 8 insertions(+), 5 deletions(-)
|
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|
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diff --git a/libgloss/or1k/interrupts.c b/libgloss/or1k/interrupts.c
|
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index 6badc497c1..516d74be38 100644
|
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--- a/libgloss/or1k/interrupts.c
|
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+++ b/libgloss/or1k/interrupts.c
|
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@@ -35,10 +35,10 @@ void or1k_interrupt_handler_add(uint32_t id,
|
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{
|
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#ifdef __OR1K_MULTICORE__
|
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_or1k_interrupt_handler_table[or1k_coreid()][id] = handler;
|
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- _or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = (uint32_t) data_ptr;
|
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+ _or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = data_ptr;
|
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#else
|
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_or1k_interrupt_handler_table[id] = handler;
|
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- _or1k_interrupt_handler_data_ptr_table[id] = (uint32_t) data_ptr;
|
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+ _or1k_interrupt_handler_data_ptr_table[id] = data_ptr;
|
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#endif
|
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}
|
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|
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diff --git a/libgloss/or1k/or1k_uart.c b/libgloss/or1k/or1k_uart.c
|
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index 0a991e6baf..1391d565c6 100644
|
||||
--- a/libgloss/or1k/or1k_uart.c
|
||||
+++ b/libgloss/or1k/or1k_uart.c
|
||||
@@ -90,7 +90,7 @@ void (*_or1k_uart_read_cb)(char c);
|
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* This is the interrupt handler that is registered for the callback
|
||||
* function.
|
||||
*/
|
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-void _or1k_uart_interrupt_handler(uint32_t data)
|
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+void _or1k_uart_interrupt_handler(void *data)
|
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{
|
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uint8_t iir = REG8(IIR);
|
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|
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diff --git a/libgloss/or1k/or1k_uart.h b/libgloss/or1k/or1k_uart.h
|
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index 4cbb68350d..201b7749f6 100644
|
||||
--- a/libgloss/or1k/or1k_uart.h
|
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+++ b/libgloss/or1k/or1k_uart.h
|
||||
@@ -30,7 +30,7 @@ extern void (*_or1k_uart_read_cb)(char c);
|
||||
/**
|
||||
* The UART interrupt handler
|
||||
*/
|
||||
-void _or1k_uart_interrupt_handler(uint32_t data);
|
||||
+void _or1k_uart_interrupt_handler(void *data);
|
||||
|
||||
/**
|
||||
* Initialize UART
|
||||
diff --git a/libgloss/or1k/sbrk.c b/libgloss/or1k/sbrk.c
|
||||
index 0c3e66e876..ca196d2282 100644
|
||||
--- a/libgloss/or1k/sbrk.c
|
||||
+++ b/libgloss/or1k/sbrk.c
|
||||
@@ -20,7 +20,7 @@
|
||||
#include "include/or1k-support.h"
|
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|
||||
extern uint32_t end; /* Set by linker. */
|
||||
-uint32_t _or1k_heap_start = &end;
|
||||
+uint32_t _or1k_heap_start = (uint32_t) &end;
|
||||
uint32_t _or1k_heap_end;
|
||||
|
||||
void *
|
||||
diff --git a/newlib/libc/sys/or1k/mlock.c b/newlib/libc/sys/or1k/mlock.c
|
||||
index ccb8401611..a0c0383356 100644
|
||||
--- a/newlib/libc/sys/or1k/mlock.c
|
||||
+++ b/newlib/libc/sys/or1k/mlock.c
|
||||
@@ -38,6 +38,9 @@ volatile uint32_t _or1k_malloc_lock_restore;
|
||||
|
||||
extern uint32_t or1k_sync_cas(void *address, uint32_t compare, uint32_t swap);
|
||||
|
||||
+extern uint32_t or1k_critical_begin();
|
||||
+extern void or1k_critical_end(uint32_t restore);
|
||||
+
|
||||
/**
|
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* Recursive lock of the malloc
|
||||
*/
|
||||
6
samples/or1k-unknown-elf/crosstool.config
Normal file
6
samples/or1k-unknown-elf/crosstool.config
Normal file
@ -0,0 +1,6 @@
|
||||
CT_CONFIG_VERSION="4"
|
||||
CT_EXPERIMENTAL=y
|
||||
CT_ARCH_OPENRISC=y
|
||||
CT_CC_LANG_CXX=y
|
||||
CT_DEBUG_GDB=y
|
||||
# CT_GDB_CROSS_PYTHON is not set
|
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3
samples/or1k-unknown-elf/reported.by
Normal file
3
samples/or1k-unknown-elf/reported.by
Normal file
@ -0,0 +1,3 @@
|
||||
reporter_name="Jiaxun Yang <jiaxun.yang@flygoat.com>"
|
||||
reporter_url="https://flygoat.com/"
|
||||
reporter_comment="Example for building a toolchain for OpenRISC 1000 bare metal targets"
|
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9
samples/or1k-unknown-linux-gnu/crosstool.config
Normal file
9
samples/or1k-unknown-linux-gnu/crosstool.config
Normal file
@ -0,0 +1,9 @@
|
||||
CT_CONFIG_VERSION="4"
|
||||
CT_EXPERIMENTAL=y
|
||||
CT_ARCH_OPENRISC=y
|
||||
CT_ARCH_USE_MMU=y
|
||||
CT_TARGET_VENDOR=""
|
||||
CT_KERNEL_LINUX=y
|
||||
CT_CC_LANG_CXX=y
|
||||
CT_DEBUG_GDB=y
|
||||
# CT_GDB_CROSS_PYTHON is not set
|
||||
3
samples/or1k-unknown-linux-gnu/reported.by
Normal file
3
samples/or1k-unknown-linux-gnu/reported.by
Normal file
@ -0,0 +1,3 @@
|
||||
reporter_name="Jiaxun Yang <jiaxun.yang@flygoat.com>"
|
||||
reporter_url="https://flygoat.com/"
|
||||
reporter_comment="Example for building a toolchain for OpenRISC 1000 with Linux kernel and glibc"
|
||||
10
samples/or1k-unknown-linux-musl/crosstool.config
Normal file
10
samples/or1k-unknown-linux-musl/crosstool.config
Normal file
@ -0,0 +1,10 @@
|
||||
CT_CONFIG_VERSION="4"
|
||||
CT_EXPERIMENTAL=y
|
||||
CT_ARCH_OPENRISC=y
|
||||
CT_ARCH_USE_MMU=y
|
||||
CT_TARGET_VENDOR=""
|
||||
CT_KERNEL_LINUX=y
|
||||
CT_LIBC_MUSL=y
|
||||
CT_CC_LANG_CXX=y
|
||||
CT_DEBUG_GDB=y
|
||||
# CT_GDB_CROSS_PYTHON is not set
|
||||
3
samples/or1k-unknown-linux-musl/reported.by
Normal file
3
samples/or1k-unknown-linux-musl/reported.by
Normal file
@ -0,0 +1,3 @@
|
||||
reporter_name="Jiaxun Yang <jiaxun.yang@flygoat.com>"
|
||||
reporter_url="https://flygoat.com/"
|
||||
reporter_comment="Example for building a toolchain for OpenRISC 1000 with Linux kernel and musl libc"
|
||||
6
scripts/build/arch/openrisc.sh
Normal file
6
scripts/build/arch/openrisc.sh
Normal file
@ -0,0 +1,6 @@
|
||||
# Compute OpenRISC-specific values
|
||||
|
||||
CT_DoArchTupleValues() {
|
||||
CT_TARGET_ARCH="or1k"
|
||||
:;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user