[PATCH v2 2/3] xen/riscv: initialize .bss section

Signed-off-by: Oleksii Kurochko --- Changes since v1: * initialization of .bss was moved to head.S --- xen/arch/riscv/include/asm/asm.h | 4 xen/arch/riscv/riscv64/head.S| 9 + 2 files changed, 13 insertions(+) diff --git a/xen/arch/riscv/include/asm/asm.h b/xen/arch/riscv

[PATCH v4 1/4] xen: introduce CONFIG_GENERIC_BUG_FRAME

g frame and macros (bug_*()) related to the 'struct bug_frame' * Introduce BUG_INSTR and BUG_ASM_CONST to make _ASM_BUGFRAME_TEXT reusable between architectures * Make macros related to bug frame structure more generic. Signed-off-by: Oleksii Kurochko --- Changes in V4: * common/bug.c:

[PATCH v4 2/4] xen: change to

redundant redeclaration of ... In the following two patches x86 and ARM archictectures will be switched fully: * xen/arm: switch ARM to use generic implementation of bug.h * xen/x86: switch x86 to use generic implemetation of bug.h Signed-off-by: Oleksii Kurochko --- Changes in V4:

[PATCH v4 3/4] xen/arm: switch ARM to use generic implementation of bug.h

implementation of bug.h macros to generic one Signed-off-by: Oleksii Kurochko --- Changes in V4: * Switch ARM implementation to generic one * Remove BUG_FN_REG from arm{16,32}/bug.h as it isn't needed after switch to generic implementation * Update commit message --- Changes in V3: * As prototype and what

[PATCH v4 4/4] xen/x86: switch x86 to use generic implemetation of bug.h

-by: Oleksii Kurochko --- Changes in V4: * Back comment /* !__ASSEMBLY__ */ for #else case in * Remove changes related to x86/.../asm/debuger.h as do_bug_frame() prototype was updated and cpu_user_regs isn't const any more. --- Changes in V3: * As prototype and what do_bug_frame() returns

[PATCH v4 0/4] introduce generic implementation of macros from bug.h

ic do_bug_frame() uses bug_ptr(). * Introduce BUG_INSTR and MODIFIER to make _ASM_BUGFRAME_TEXT reusable between x86 and RISC-V. * Rework do_invalid_op() in x86 ( re-use handle_bug_frame() and find_bug_frame() ) --- Oleksii Kurochko (4): xen: introduce CONFIG_GENERIC_BUG_FRAME xen

[PATCH v1] xen/arm: align *(.proc.info) in the linker script

EN) (XEN) Reboot in five seconds... (XEN) Xen: Platform reset did not work properly! (XEN) Xen: Platform reset did not work properly! Signed-off-by: Oleksii Kurochko --- xen/arch/arm/xen.lds.S | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/arm/xen.lds.S b/xen/arch/arm/xen.lds.S inde

[PATCH v1 2/3] xen/riscv: setup initial pagetables

Calculate load and linker linker image addresses and setup initial pagetables. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/setup.c | 11 +++ 1 file changed, 11 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index b7cd438a1d..f69bc278bb 100644

[PATCH v1 1/3] xen/riscv: introduce setup_initial_pages

. Origin: https://gitlab.com/xen-on-risc-v/xen/-/tree/riscv-rebase 4af165b468af Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/Makefile | 1 + xen/arch/riscv/include/asm/mm.h | 9 ++ xen/arch/riscv/include/asm/page.h | 90 xen/arch/riscv/mm.c | 223

[PATCH v1 0/3] enable MMU for RISC-V

the built page table into the SATP 3. Enables MMU. 4. Updates smoke test to grep message which should be printed after MMU is enabled. Oleksii Kurochko (3): xen/riscv: introduce setup_initial_pages xen/riscv: setup initial pagetables automation: update RISC-V smoke test automation

[PATCH v1 3/3] automation: update RISC-V smoke test

The smoke test was updated to verify that MMU has been enabled. Signed-off-by: Oleksii Kurochko --- automation/scripts/qemu-smoke-riscv64.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/automation/scripts/qemu-smoke-riscv64.sh b/automation/scripts/qemu-smoke-riscv64.sh

[PATCH] xen/riscv: disable fpu

Disable FPU to detect illegal usage of floating point in kernel space. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/setup.c | 7 +++ 1 file changed, 7 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index 593bb471a4..b7cd438a1d 100644 --- a/xen/arch/riscv

[PATCH] xen/riscv: init bss section

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/setup.c | 14 ++ 1 file changed, 14 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index 154bf3a0bc..593bb471a4 100644 --- a/xen/arch/riscv/setup.c +++ b/xen/arch/riscv/setup.c @@ -24,6 +24,18 @@ static

[PATCH] xen/riscv: read hart_id and dtb_base passed by bootloader

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/setup.c | 12 1 file changed, 12 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index b3f8b10f71..154bf3a0bc 100644 --- a/xen/arch/riscv/setup.c +++ b/xen/arch/riscv/setup.c @@ -26,6 +26,18 @@ static

[PATCH v4 5/5] automation: modify RISC-V smoke test

The patch modifies the grep pattern to reflect the usage of WARN. Signed-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis Acked-by: Stefano Stabellini --- Changes in V4: - Add Reviewed-by: Alistair Francis and Acked-by: Stefano Stabellini --- Changes in V3: - Update commit message

[PATCH v4 3/5] xen/riscv: introduce an implementation of macros from

The patch introduces macros: BUG(), WARN(), run_in_exception(), assert_failed. The implementation uses "ebreak" instruction in combination with diffrent bug frame tables (for each type) which contains useful information. Signed-off-by: Oleksii Kurochko --- Changes in V4: - Updates i

[PATCH v4 1/5] xen/riscv: introduce decode_cause() stuff

The patch introduces stuff needed to decode a reason of an exception. Signed-off-by: Oleksii Kurochko --- Changes in V4: - fix string in decode_reserved_interrupt_cause() --- Changes in V3: - Nothing changed --- Changes in V2: - Make decode_trap_cause() more optimization friendly

[PATCH v4 4/5] xen/riscv: test basic handling stuff

Signed-off-by: Oleksii Kurochko Acked-by: Alistair Francis --- Changes in V4: - Add Acked-by: Alistair Francis --- Changes in V3: - Nothing changed --- Changes in V2: - Nothing changed --- xen/arch/riscv/setup.c | 16 1 file changed, 16 insertions(+) diff --git a/xen

[PATCH v4 2/5] xen/riscv: introduce trap_init()

Signed-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis --- Changes in V4: - Nothing changed --- Changes in V3: - Nothing changed --- Changes in V2: - Rename setup_trap_handler() to trap_init(). - Add Reviewed-by to the commit message. --- xen/arch/riscv/include/asm/traps.h | 1

[PATCH v4 0/5] RISCV basic exception handling implementation

tch series. - Refactor bug.h, remove bug_instr_t type from it. - Refactor decode_trap_cause() function to be more optimization-friendly. - Add two new empty headers: and as they are needed to include which provides ARRAY_SIZE and other macros. - Code style fixes. --- Oleksii Kurochk

[PATCH v3 2/4] xen: change to

Since the generic version of bug.h stuff was introduced use instead of unnecessary Signed-off-by: Oleksii Kurochko --- Changes in V3: * Update patch 2 not to break compilation: move some parts from patches 3 and 4 to patch 2: * move some generic parts from to * add define

[PATCH v3 4/4] xen/x86: switch x86 to use generic implemetation of bug.h

-by: Oleksii Kurochko --- Changes in V3: * As prototype and what do_bug_frame() returns was changed so patch 3 and 4 was updated to use a new version of do_bug_frame * MODIFIER was change to BUG_ASM_CONST to align with generic implementation --- Changes in V2: * Remove all unnecessary things

[PATCH v3 1/4] xen: introduce CONFIG_GENERIC_BUG_FRAME

of do_bug_frame * new config CONFIG_GENERIC_BUG_FRAME Signed-off-by: Oleksii Kurochko --- Changes in V3: * Add debugger_trap_fatal() to do_bug_frame(). It simplifies usage of do_bug_frame() for x86 so making handle_bug_frame() and find_bug_frame() not needed anymore. * Update do_bug_frame

[PATCH v3 3/4] xen/arm: switch ARM to use generic implementation of bug.h

() to bug_ptr() to align it with generic implementation. Signed-off-by: Oleksii Kurochko --- Changes in V3: * As prototype and what do_bug_frame() returns was changed so patch 3 and 4 was updated to use a new version of do_bug_frame --- Changes in V2: * Rename bug_file() in ARM implementation

[PATCH v3 0/4] introduce generic implementation of macros from bug.h

s bug_ptr(). * Introduce BUG_INSTR and MODIFIER to make _ASM_BUGFRAME_TEXT reusable between x86 and RISC-V. * Rework do_invalid_op() in x86 ( re-use handle_bug_frame() and find_bug_frame() ) --- Oleksii Kurochko (4): xen: introduce CONFIG_GENERIC_BUG_FRAME xen: change to xen/ar

[PATCH v2 4/4] xen/x86: switch x86 to use generic implemetation of bug.h

Signed-off-by: Oleksii Kurochko --- Changes in V2: * Remove all unnecessary things from as they were introduced in . * Define BUG_INSTR = 'ud2' and MODIFIER = 'c' ( it is needed to skip '$' when use an imidiate in x86 assembly ) * Update do_invalid_op() to re-use handle_bug_frame

[PATCH v2 3/4] xen/arm: switch ARM to use generic implementation of bug.h

Signed-off-by: Oleksii Kurochko --- Changes in V2: * Rename bug_file() in ARM implementation to bug_ptr() as generic do_bug_frame() uses bug_ptr(). * Remove generic parts from bug.h * Remove declaration of 'int do_bug_frame(...)' from as it was introduced in --- xen/arch/arm/Kconfig

[PATCH v2 1/4] xen: introduce CONFIG_GENERIC_BUG_FRAME

of do_bug_frame() * new config CONFIG_GENERIC_BUG_FRAME Signed-off-by: Oleksii Kurochko --- Changes in V2: - Switch to x86 implementation as generic as it is more compact ( at least from the point of view of bug frame structure ). - Rename CONFIG_GENERIC_DO_BUG_FRAME

[PATCH v2 0/4] introduce generic implementation of macros from bug.h

more generic. * Rename bug_file() in ARM implementation to bug_ptr() as generic do_bug_frame() uses bug_ptr(). * Introduce BUG_INSTR and MODIFIER to make _ASM_BUGFRAME_TEXT reusable between x86 and RISC-V. * Rework do_invalid_op() in x86 ( re-use handle_bug_frame() and find_bug_frame()

[PATCH v2 2/4] xen: change to

Since the generic version of bug.h stuff was introduced use instead of unnecessary Signed-off-by: Oleksii Kurochko --- Changes in V2: * Put [PATCH v1 4/4] xen: change to as second patch, update the patch to change all to among the whole project to not break build. * Update

[PATCH v3 13/14] xen/riscv: test basic handling stuff

Signed-off-by: Oleksii Kurochko --- Changes in V3: - Nothing changed --- Changes in V2: - Nothing changed --- xen/arch/riscv/setup.c | 16 1 file changed, 16 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index d502cf06b0..8d070244fd 100644

[PATCH v3 14/14] automation: modify RISC-V smoke test

The patch modifies the grep pattern to reflect the usage of WARN. Signed-off-by: Oleksii Kurochko --- Changes in V3: - Update commit message --- Changes in V2: - Leave only the latest "grep ..." --- automation/scripts/qemu-smoke-riscv64.sh | 2 +- 1 file changed, 1 insertion(+),

[PATCH v3 09/14] xen/riscv: introduce decode_cause() stuff

The patch introduces stuff needed to decode a reason of an exception. Signed-off-by: Oleksii Kurochko --- Changes in V3: - Nothing changed --- Changes in V2: - Make decode_trap_cause() more optimization friendly. - Merge the pathc which introduces do_unexpected_trap() to the current one

[PATCH v3 11/14] xen/riscv: introduce trap_init()

Signed-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis --- Changes in V3: - Nothing changed --- Changes in V2: - Rename setup_trap_handler() to trap_init(). - Add Reviewed-by to the commit message. --- xen/arch/riscv/include/asm/traps.h | 1 + xen/arch/riscv/setup.c | 4

[PATCH v3 12/14] xen/riscv: introduce an implementation of macros from

The patch introduces macros: BUG(), WARN(), run_in_exception(), assert_failed. The implementation uses "ebreak" instruction in combination with diffrent bug frame tables (for each type) which contains useful information. Signed-off-by: Oleksii Kurochko --- Changes in V3: - Rebase

[PATCH v3 08/14] xen/riscv: introduce exception handlers implementation

The patch introduces an implementation of basic exception handlers: - to save/restore context - to handle an exception itself. The handler calls wait_for_interrupt now, nothing more. Signed-off-by: Oleksii Kurochko --- Changes in V3: - Nothing changed --- Changes in V2: - Refactor entry.S

[PATCH v3 00/14] RISCV basic exception handling implementation

pdate correspondingly the patches in the patch series. - Refactor bug.h, remove bug_instr_t type from it. - Refactor decode_trap_cause() function to be more optimization-friendly. - Add two new empty headers: and as they are needed to include which provides ARRAY_SIZE and other macro

[PATCH v3 03/14] xen/riscv: add

Signed-off-by: Oleksii Kurochko Acked-by: Alistair Francis --- Changes in V3: - Add Acked-by: Alistair Francis --- Changes in V2: - Take the latest version of riscv_encoding.h from OpenSBI. - Update riscv_encoding.h with Xen related changes mentioned in the commit message. - Update comm

[PATCH v3 10/14] xen/riscv: mask all interrupts

Signed-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis --- Changes in V3: - Nothing changed --- Changes in V2: - Add Reviewed-by to the commit message --- xen/arch/riscv/riscv64/head.S | 5 + 1 file changed, 5 insertions(+) diff --git a/xen/arch/riscv/riscv64/head.S b/xen/arch

[PATCH v3 07/14] xen/riscv: introduce exception context

eded for current status of the RISC-V port - register_t renamed to unsigned long - rename wait_for_interrupt to wfi Signed-off-by: Bobby Eshleman Signed-off-by: Oleksii Kurochko --- Changes in V3: - update code style for die() function --- Changes in V2: - All the changes were a

[PATCH v3 05/14] xen/riscv: introduce empty

To include is required Signed-off-by: Oleksii Kurochko Acked-by: Alistair Francis --- Changes in V3: - Add Acked-by: Alistair Francis --- Changes in V2: - is a new empty header which is required to include --- xen/arch/riscv/include/asm/string.h | 6 ++ 1 file changed, 6

[PATCH v3 04/14] xen/riscv: add header

The following changes were made in comparison with from Linux: * remove all defines as they are defined in riscv_encoding.h * leave only csr_* macros Origin: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ d2d11f342b17 Signed-off-by: Oleksii Kurochko --- Changes in V3

[PATCH v3 06/14] xen/riscv: introduce empty

To include is required Signed-off-by: Oleksii Kurochko Acked-by: Alistair Francis --- Changes in V3: - Add Acked-by: Alistair Francis --- Changes in V2: - is a new empty header which is required to include --- xen/arch/riscv/include/asm/cache.h | 6 ++ 1 file changed, 6

[PATCH v3 02/14] xen/riscv: add header

Signed-off-by: Oleksii Kurochko --- Changes in V3: - Nothing changed --- Changes in V2: - Nothing changed --- xen/arch/riscv/include/asm/asm.h | 54 1 file changed, 54 insertions(+) create mode 100644 xen/arch/riscv/include/asm/asm.h diff --git a/xen/arch

[PATCH v3 01/14] xen/riscv: change ISA to r64G

-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis --- Changes in V3: - Change the name of config RISCV_ISA_RV64IMA to RISCV_ISA_RV64G as instructions from Zicsr and Zifencei extensions aren't part of I extension any more. --- Changes in V2: - Nothing changed --- xen/arch/riscv

[PATCH v10 2/2] automation: add RISC-V smoke test

Add check if there is a message 'Hello from C env' presents in log file to be sure that stack is set and C part of early printk is working. Signed-off-by: Oleksii Kurochko Acked-by: Stefano Stabellini Reviewed-by: Alistair Francis --- Changes in V10: - Nothing changed --- Changes in V9

[PATCH v10 1/2] xen/riscv: introduce early_printk basic stuff

ow so there is no vscnprintf. This commit adds early printk implementation built on the putc SBI call. As sbi_console_putchar() is already being planned for deprecation it is used temporarily now and will be removed or reworked after real uart will be ready. Signed-off-by: Bobby Eshleman Signed-off-by: Ol

[PATCH v10 0/2] Basic early_printk and smoke test implementation

5: - Nothing changed --- Changes in V4: - Nothing changed --- Changes in V3: - Nothing changed - All mentioned comments by Stefano in Xen mailing list will be fixed as a separate patch out of this patch series. --- Oleksii Kurochko (2): xen/riscv: introduce early_printk basic stuff automa

[PATCH v9 1/2] xen/riscv: introduce early_printk basic stuff

ow so there is no vscnprintf. This commit adds early printk implementation built on the putc SBI call. As sbi_console_putchar() is already being planned for deprecation it is used temporarily now and will be removed or reworked after real uart will be ready. Signed-off-by: Bobby Eshleman Signed-off-by: Ol

[PATCH v9 0/2] Basic early_printk and smoke test implementation

All mentioned comments by Stefano in Xen mailing list will be fixed as a separate patch out of this patch series. --- Oleksii Kurochko (2): xen/riscv: introduce early_printk basic stuff automation: add RISC-V smoke test automation/gitlab-ci/test.yaml| 20 ++ automa

[PATCH v9 2/2] automation: add RISC-V smoke test

Add check if there is a message 'Hello from C env' presents in log file to be sure that stack is set and C part of early printk is working. Signed-off-by: Oleksii Kurochko Acked-by: Stefano Stabellini Reviewed-by: Alistair Francis --- Changes in V9: - Nothing changed --- Changes in V8: - Set

[PATCH v1 1/4] xen: introduce CONFIG_GENERIC_BUG_FRAME

header * generic implementation of do_bug_frame() * new config CONFIG_GENERIC_BUG_FRAME Signed-off-by: Oleksii Kurochko --- xen/common/Kconfig| 6 ++ xen/common/Makefile | 1 + xen/common/bug.c | 88 + xen/include/xen/bug.h | 127

[PATCH v1 2/4] xen/arm: switch ARM to use generic implementation of bug.h

Signed-off-by: Oleksii Kurochko --- xen/arch/arm/Kconfig | 1 + xen/arch/arm/include/asm/bug.h | 86 xen/arch/arm/include/asm/div64.h | 2 +- xen/arch/arm/traps.c | 79 - xen/arch/arm/vgic/vgic-v2.c

[PATCH v1 0/4] introduce generic implementation of macros from bug.h

only common parts was removed from . RISC-V will be switched to use and in the future, it will use common the version of do_bug_frame() when xen/common will work for RISC-V. Oleksii Kurochko (4): xen: introduce CONFIG_GENERIC_BUG_FRAME xen/arm: switch ARM to use generic implementation

[PATCH v1 4/4] xen: change to

Since the generic version of bug.h stuff was introduced it is necessary to rename all uses of to Signed-off-by: Oleksii Kurochko --- xen/drivers/cpufreq/cpufreq.c | 2 +- xen/include/xen/lib.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/drivers/cpufreq

[PATCH v1 3/4] xen/x86: switch x86 to use generic implemetation of bug.h

Signed-off-by: Oleksii Kurochko --- xen/arch/x86/acpi/cpufreq/cpufreq.c | 2 +- xen/arch/x86/include/asm/asm_defns.h | 2 +- xen/arch/x86/include/asm/bug.h | 32 ++-- 3 files changed, 4 insertions(+), 32 deletions(-) diff --git a/xen/arch/x86/acpi/cpufreq

[PATCH v8 1/2] xen/riscv: introduce early_printk basic stuff

ow so there is no vscnprintf. This commit adds early printk implementation built on the putc SBI call. As sbi_console_putchar() is already being planned for deprecation it is used temporarily now and will be removed or reworked after real uart will be ready. Signed-off-by: Bobby Eshleman Signed-off-by: Ol

[PATCH v8 0/2] Basic early_printk and smoke test implementation

in test.yaml for .qemu-riscv64. --- Changes in V5: - Nothing changed --- Changes in V4: - Nothing changed --- Changes in V3: - Nothing changed - All mentioned comments by Stefano in Xen mailing list will be fixed as a separate patch out of this patch series. --- Oleksii Kurochko (2): xen

[PATCH v8 2/2] automation: update RISC-V smoke test

Add check if there is a message 'Hello from C env' presents in log file to be sure that stack is set and C part of early printk is working. Signed-off-by: Oleksii Kurochko Acked-by: Stefano Stabellini Reviewed-by: Alistair Francis --- Changes in V8: - Set "needs: archlinux-current-gcc-ri

[PATCH v2 14/14] automation: add smoke test to verify macros from bug.h

Signed-off-by: Oleksii Kurochko --- Changes in V2: - Leave only the latest "grep ..." --- automation/scripts/qemu-smoke-riscv64.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/automation/scripts/qemu-smoke-riscv64.sh b/automation/scripts/qemu-smoke-riscv6

[PATCH v2 13/14] xen/riscv: test basic handling stuff

Signed-off-by: Oleksii Kurochko --- Changes in V2: - Nothing changed --- xen/arch/riscv/setup.c | 17 + 1 file changed, 17 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index c8513ca4f8..bcff680fb5 100644 --- a/xen/arch/riscv/setup.c +++ b/xen/arch

[PATCH v2 12/14] xen/riscv: introduce an implementation of macros from

The patch introduces macros: BUG(), WARN(), run_in_exception(), assert_failed. The implementation uses "ebreak" instruction in combination with diffrent bug frame tables (for each type) which contains useful information. Signed-off-by: Oleksii Kurochko --- Changes: - Remove __

[PATCH v2 09/14] xen/riscv: introduce decode_cause() stuff

The patch introduces stuff needed to decode a reason of an exception. Signed-off-by: Oleksii Kurochko --- Changes in V2: - Make decode_trap_cause() more optimization friendly. - Merge the pathc which introduces do_unexpected_trap() to the current one. --- xen/arch/riscv/traps.c | 85

[PATCH v2 10/14] xen/riscv: mask all interrupts

Signed-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis --- Changes in V2: - Add Reviewed-by to the commit message --- xen/arch/riscv/riscv64/head.S | 5 + 1 file changed, 5 insertions(+) diff --git a/xen/arch/riscv/riscv64/head.S b/xen/arch/riscv/riscv64/head.S index d444dd8aad

[PATCH v2 07/14] xen/riscv: introduce exception context

eded for current status of the RISC-V port - register_t renamed to unsigned long - rename wait_for_interrupt to wfi Signed-off-by: Bobby Eshleman Signed-off-by: Oleksii Kurochko --- Changes in V2: - All the changes were added to the commit message. - temporarily was added function

[PATCH v2 11/14] xen/riscv: introduce trap_init()

Signed-off-by: Oleksii Kurochko Reviewed-by: Alistair Francis --- Changes in V2: - Rename setup_trap_handler() to trap_init(). - Add Reviewed-by to the commit message. --- xen/arch/riscv/include/asm/traps.h | 1 + xen/arch/riscv/setup.c | 4 xen/arch/riscv/traps.c

[PATCH v2 05/14] xen/riscv: introduce empty

To include is required Signed-off-by: Oleksii Kurochko --- Changes in V2: - is a new empty header which is required to include --- xen/arch/riscv/include/asm/string.h | 6 ++ 1 file changed, 6 insertions(+) create mode 100644 xen/arch/riscv/include/asm/string.h diff --git a/xen

[PATCH v2 04/14] xen/riscv: add header

The following changes were made in comparison with from Linux: * remove all defines as they are defined in riscv_encoding.h * leave only csr_* macros Origin: https://github.com/torvalds/linux.git 2475bf0250de Signed-off-by: Oleksii Kurochko --- Changes in V2: - Minor refactoring mentioned

[PATCH v2 08/14] xen/riscv: introduce exception handlers implementation

The patch introduces an implementation of basic exception handlers: - to save/restore context - to handle an exception itself. The handler calls wait_for_interrupt now, nothing more. Signed-off-by: Oleksii Kurochko --- Changes in V2: - Refactor entry.S to start using of defines introduced

[PATCH v2 06/14] xen/riscv: introduce empty

To include is required Signed-off-by: Oleksii Kurochko --- Changes in V2: - is a new empty header which is required to include --- xen/arch/riscv/include/asm/cache.h | 6 ++ 1 file changed, 6 insertions(+) create mode 100644 xen/arch/riscv/include/asm/cache.h diff --git a/xen

[PATCH v2 03/14] xen/riscv: add

Signed-off-by: Oleksii Kurochko --- Changes in V2: - Take the latest version of riscv_encoding.h from OpenSBI. - Update riscv_encoding.h with Xen related changes mentioned in the commit message. - Update commit message and add "Origin:" tag --- xen/arch/riscv/include/asm/ri

[PATCH v2 00/14] RISCV basic exception handling implementation

unction to be more optimization-friendly. - Add two new empty headers: and as they are needed to include which provides ARRAY_SIZE and other macros. - Code style fixes. --- Oleksii Kurochko (14): xen/riscv: add _zicsr to CFLAGS xen/riscv: add header xen/riscv: add header xen/riscv:

[PATCH v2 01/14] xen/riscv: add _zicsr to CFLAGS

Work with some registers requires csr command which is part of Zicsr. Signed-off-by: Oleksii Kurochko --- Changes in V2: - Nothing changed --- xen/arch/riscv/arch.mk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/riscv/arch.mk b/xen/arch/riscv/arch.mk index

[PATCH v2 02/14] xen/riscv: add header

Signed-off-by: Oleksii Kurochko --- Changes in V2: - Nothing changed --- xen/arch/riscv/include/asm/asm.h | 54 1 file changed, 54 insertions(+) create mode 100644 xen/arch/riscv/include/asm/asm.h diff --git a/xen/arch/riscv/include/asm/asm.h b/xen/arch/riscv

[PATCH v7 2/2] automation: add RISC-V smoke test

Add check if there is a message 'Hello from C env' presents in log file to be sure that stack is set and C part of early printk is working. Signed-off-by: Oleksii Kurochko Acked-by: Stefano Stabellini Reviewed-by: Alistair Francis --- Changes in V7: - Fix dependecy for qemu-smoke-riscv64-gcc

[PATCH v7 0/2] Basic early_printk and smoke test implementation

g.debug - Move dockerfile changes to separate config and sent them as separate patch to mailing list. - Update test.yaml to wire up smoke test --- Oleksii Kurochko (2): xen/riscv: introduce early_printk basic stuff automation: add RISC-V smoke test automation/gitlab-ci/test.yaml

[PATCH v7 1/2] xen/riscv: introduce early_printk basic stuff

ow so there is no vscnprintf. This commit adds early printk implementation built on the putc SBI call. As sbi_console_putchar() is already being planned for deprecation it is used temporarily now and will be removed or reworked after real uart will be ready. Signed-off-by: Bobby Eshleman Signed-off-by: Ol

[PATCH v6 1/2] xen/riscv: introduce early_printk basic stuff

ow so there is no vscnprintf. This commit adds early printk implementation built on the putc SBI call. As sbi_console_putchar() is already being planned for deprecation it is used temporarily now and will be removed or reworked after real uart will be ready. Signed-off-by: Bobby Eshleman Signed-off-by: Ol

[PATCH v6 2/2] automation: add RISC-V smoke test

Add check if there is a message 'Hello from C env' presents in log file to be sure that stack is set and C part of early printk is working. Signed-off-by: Oleksii Kurochko Acked-by: Stefano Stabellini Reviewed-by: Alistair Francis --- Changes in V6: - Rename container name in test.yaml

[PATCH v6 0/2] Basic early_printk and smoke test implementation

list comments - Remove unneeded types in - Introduce definition of STACK_SIZE - order the files alphabetically in Makefile - Add license to early_printk.c - Add RISCV_32 dependecy to config EARLY_PRINTK in Kconfig.debug - Move dockerfile changes to separate config and sent th

[PATCH v1 11/14] xen/riscv: introduce setup_trap_handler()

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/setup.c | 11 +++ 1 file changed, 11 insertions(+) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index d09ffe1454..174e134c93 100644 --- a/xen/arch/riscv/setup.c +++ b/xen/arch/riscv/setup.c @@ -1,16 +1,27 @@ #include

[PATCH v1 14/14] automation: add smoke test to verify macros from bug.h

Signed-off-by: Oleksii Kurochko --- automation/scripts/qemu-smoke-riscv64.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/automation/scripts/qemu-smoke-riscv64.sh b/automation/scripts/qemu-smoke-riscv64.sh index e0f06360bc..e7cc7f1442 100755 --- a/automation/scripts/qemu-smoke-riscv64

[PATCH v1 10/14] xen/riscv: mask all interrupts

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/riscv64/head.S | 5 + 1 file changed, 5 insertions(+) diff --git a/xen/arch/riscv/riscv64/head.S b/xen/arch/riscv/riscv64/head.S index d444dd8aad..ffd95f9f89 100644 --- a/xen/arch/riscv/riscv64/head.S +++ b/xen/arch/riscv/riscv64/head.S

[PATCH v1 12/14] xen/riscv: introduce an implementation of macros from

The patch introduces macros: BUG(), WARN(), run_in_exception(), assert_failed. The implementation uses "ebreak" instruction in combination with diffrent bug frame tables (for each type) which contains useful information. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/include

[PATCH v1 07/14] xen/riscv: introduce exception handlers implementation

The patch introduces an implementation of basic exception handlers: - to save/restore context - to handle an exception itself. The handler calls wait_for_interrupt now, nothing more. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/Makefile| 2 + xen/arch/riscv/entry.S

[PATCH v1 04/14] xen/riscv: add header

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/include/asm/csr.h | 82 1 file changed, 82 insertions(+) create mode 100644 xen/arch/riscv/include/asm/csr.h diff --git a/xen/arch/riscv/include/asm/csr.h b/xen/arch/riscv/include/asm/csr.h new file mode 100644

[PATCH v1 09/14] xen/riscv: introduce do_unexpected_trap()

The patch introduces the function the purpose of which is to print a cause of an exception and call "wfi" instruction. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/traps.c | 14 +- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/xen/arch/riscv/traps.c

[PATCH v1 06/14] xen/riscv: introduce exception context

and removed unneeded things from it now. Signed-off-by: Bobby Eshleman Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/include/asm/processor.h | 114 + 1 file changed, 114 insertions(+) create mode 100644 xen/arch/riscv/include/asm/processor.h diff --git a/xen/arch/riscv

[PATCH v1 01/14] xen/riscv: add _zicsr to CFLAGS

Work with some registers requires csr command which is part of Zicsr. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/arch.mk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/riscv/arch.mk b/xen/arch/riscv/arch.mk index 012dc677c3..95b41d9f3e 100644 --- a/xen/arch

[PATCH v1 05/14] xen/riscv: add early_printk_hnum() function

Add ability to print hex number. It might be useful to print register value as debug information in BUG(), WARN(), etc... Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/early_printk.c | 39 +++ xen/arch/riscv/include/asm/early_printk.h | 2 ++ 2 files

[PATCH v1 13/14] xen/riscv: test basic handling stuff

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/setup.c | 18 +- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c index 174e134c93..35ab9d25c6 100644 --- a/xen/arch/riscv/setup.c +++ b/xen/arch/riscv/setup.c @@ -1,6

[PATCH v1 03/14] xen/riscv: add

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/include/asm/riscv_encoding.h | 945 1 file changed, 945 insertions(+) create mode 100644 xen/arch/riscv/include/asm/riscv_encoding.h diff --git a/xen/arch/riscv/include/asm/riscv_encoding.h b/xen/arch/riscv/include/asm

[PATCH v1 08/14] xen/riscv: introduce decode_cause() stuff

The patch introduces stuff needed to decode a reason of an exception. Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/traps.c | 88 ++ 1 file changed, 88 insertions(+) diff --git a/xen/arch/riscv/traps.c b/xen/arch/riscv/traps.c index 3201b851ef

[PATCH v1 00/14] RISCV basic exception handling implementation

should be definitely changed in the neareset future. It wasn't implemented show_execution_state() and stack trace discovering as it's not necessary now. Oleksii Kurochko (14): xen/riscv: add _zicsr to CFLAGS xen/riscv: add header xen/riscv: add header xen/riscv: add early_printk_hnum()

[PATCH v1 02/14] xen/riscv: add header

Signed-off-by: Oleksii Kurochko --- xen/arch/riscv/include/asm/asm.h | 54 1 file changed, 54 insertions(+) create mode 100644 xen/arch/riscv/include/asm/asm.h diff --git a/xen/arch/riscv/include/asm/asm.h b/xen/arch/riscv/include/asm/asm.h new file mode 100644

[PATCH v5 3/5] xen/riscv: introduce sbi call to putchar to console

. Signed-off-by: Bobby Eshleman Signed-off-by: Oleksii Kurochko Reviewed-by: Bobby Eshleman Reviewed-by: Alistair Francis --- Changes in V5: - Nothing critical was changed - Code style fixes - Remove unneeded from sbi.c --- Changes in V4: - Nothing changed --- Changes in V3

[PATCH v5 5/5] automation: add RISC-V smoke test

Add check if there is a message 'Hello from C env' presents in log file to be sure that stack is set and C part of early printk is working. Signed-off-by: Oleksii Kurochko Acked-by: Stefano Stabellini Reviewed-by: Alistair Francis --- Changes in V5: - Nothing changed --- Changes in V4

[PATCH v5 4/5] xen/riscv: introduce early_printk basic stuff

ow so there is no vscnprintf. This commit adds early printk implementation built on the putc SBI call. As sbi_console_putchar() is already being planned for deprecation it is used temporarily now and will be removed or reworked after real uart will be ready. Signed-off-by: Bobby Eshleman Signed-off-by: Ol

[PATCH v5 1/5] xen/include: Change to

In the patch "include/types: move stddef.h-kind types to common header" [1] size_t was moved from to so early_printk should be updated correspondingly. [1] https://lore.kernel.org/xen-devel/5a0a9e2a-c116-21b5-8081-db75fe417...@suse.com/ Signed-off-by: Oleksii Kurochko --- xen/i

[PATCH v5 2/5] xen/riscv: introduce asm/types.h header file

Signed-off-by: Oleksii Kurochko --- Changes in V5: - Remove size_t from asm/types after rebase on top of the patch "include/types: move stddef.h-kind types to common header" [1]. - All other types were back as they are used in and in xen/common. --- Cha

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