| 2a2105a2 | 02-Nov-2022 |
Jiaxun Yang <jiaxun.yang@flygoat.com> |
target/mips: Don't check COP1X for 64 bit FP mode
Some implementations (i.e. Loongson-2F) may decide to implement
a 64 bit FPU without implementing COP1X instructions.
As the eligibility of 64 bit
target/mips: Don't check COP1X for 64 bit FP mode
Some implementations (i.e. Loongson-2F) may decide to implement
a 64 bit FPU without implementing COP1X instructions.
As the eligibility of 64 bit FP instructions is already determined
by CP0St_FR, there is no need to check for COP1X again.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221102165719.190378-1-jiaxun.yang@flygoat.com>
[PMD: Add missing trailing parenthesis (buildfix)]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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| 4525ea7e | 01-Nov-2022 |
Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> |
target/mips: Enable LBX/LWX/* instructions for Octeon
This patch changes condition and function name for enabling
indexed load instructions for Octeon vCPUs. Octeons do not
have DSP extension, but i
target/mips: Enable LBX/LWX/* instructions for Octeon
This patch changes condition and function name for enabling
indexed load instructions for Octeon vCPUs. Octeons do not
have DSP extension, but implement LBX-and-others.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <166728058455.229236.13834649461181619195.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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| b10ccec1 | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Remove GET_TARGET_STRING and FREE_TARGET_STRING
Inline these macros into the only two callers.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <r
target/mips: Remove GET_TARGET_STRING and FREE_TARGET_STRING
Inline these macros into the only two callers.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220628111701.677216-9-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| 3bb45bbc | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Simplify UHI_argnlen and UHI_argn
With semihosting_get_arg, we already have a check vs argc, so
there's no point replicating it -- just check the result vs NULL.
Merge copy_argn_to_targ
target/mips: Simplify UHI_argnlen and UHI_argn
With semihosting_get_arg, we already have a check vs argc, so
there's no point replicating it -- just check the result vs NULL.
Merge copy_argn_to_target into its caller.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220628111701.677216-8-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| 412411b3 | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Use error_report for UHI_assert
Always log the assert locally. Do not report_fault, but
instead include the fact of the fault in the assertion.
Don't bother freeing allocated strings b
target/mips: Use error_report for UHI_assert
Always log the assert locally. Do not report_fault, but
instead include the fact of the fault in the assertion.
Don't bother freeing allocated strings before the abort().
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220628111701.677216-6-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| ea421060 | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Avoid qemu_semihosting_log_out for UHI_plog
Use semihost_sys_write and/or qemu_semihosting_console_write
for implementing plog. When using gdbstub, copy the temp
string below the stack
target/mips: Avoid qemu_semihosting_log_out for UHI_plog
Use semihost_sys_write and/or qemu_semihosting_console_write
for implementing plog. When using gdbstub, copy the temp
string below the stack so that gdb has a guest address from
which to perform the log.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220628111701.677216-5-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| 18639a28 | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Use semihosting/syscalls.h
This separates guest file descriptors from host file descriptors,
and utilizes shared infrastructure for integration with gdbstub.
Signed-off-by: Richard Hen
target/mips: Use semihosting/syscalls.h
This separates guest file descriptors from host file descriptors,
and utilizes shared infrastructure for integration with gdbstub.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220628111701.677216-4-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| 3d748e41 | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Drop link syscall from semihosting
We don't implement it with _WIN32 hosts, and the syscall
is missing from the gdb remote file i/o interface.
Since we can't implement it universally, d
target/mips: Drop link syscall from semihosting
We don't implement it with _WIN32 hosts, and the syscall
is missing from the gdb remote file i/o interface.
Since we can't implement it universally, drop it.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220628111701.677216-3-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| d53a3ed4 | 28-Jun-2022 |
Richard Henderson <richard.henderson@linaro.org> |
target/mips: Create report_fault for semihosting
The UHI specification does not have an EFAULT value,
and further specifies that "undefined UHI operations
should not return control to the target".
target/mips: Create report_fault for semihosting
The UHI specification does not have an EFAULT value,
and further specifies that "undefined UHI operations
should not return control to the target".
So, log the error and abort.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220628111701.677216-2-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| dadd071a | 20-Jun-2022 |
Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> |
target/mips: implement Octeon-specific arithmetic instructions
This patch implements several Octeon-specific instructions:
- BADDU
- DMUL
- EXTS/EXTS32
- CINS/CINS32
- POP/DPOP
- SEQ/SEQI
- SNE/SNEI
target/mips: implement Octeon-specific arithmetic instructions
This patch implements several Octeon-specific instructions:
- BADDU
- DMUL
- EXTS/EXTS32
- CINS/CINS32
- POP/DPOP
- SEQ/SEQI
- SNE/SNEI
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <165572673245.167724.17377788816335619000.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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| 5e806fb0 | 20-Jun-2022 |
Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> |
target/mips: implement Octeon-specific BBIT instructions
This patch introduces Octeon-specific decoder and implements
check-bit-and-jump instructions.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyu
target/mips: implement Octeon-specific BBIT instructions
This patch introduces Octeon-specific decoder and implements
check-bit-and-jump instructions.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <165572672705.167724.16667636081912075906.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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