bwlp/qemu.git/target/i386/seg_helper.c, branch spice_video_codecs

i386: move TCG accel files into tcg/

2020-12-16T19:06:53+00:00

Signed-off-by: Claudio Fontana Reviewed-by: Alex Bennée Reviewed-by: Richard Henderson [claudio: moved cc_helper_template.h to tcg/ too] Signed-off-by: Claudio Fontana Message-Id: <20201212155530.23098-6-cfontana@suse.de> Signed-off-by: Eduardo Habkost

target/i386: seg_helper: Correct segment selector nullification in the RET/IRET helper

2020-12-10T17:15:00+00:00

Per the SDM, when returning to outer privilege level, for segment registers (ES, FS, GS, and DS) if the check fails, the segment selector becomes null, but QEMU clears the base/limit/flags as well as nullifying the segment selector, which should be a spec violation. Real hardware seems to be compliant with the spec, at least on one Coffee Lake board I tested. Signed-off-by: Bin Meng Message-Id: <1605261378-77971-1-git-send-email-bmeng.cn@gmail.com> Signed-off-by: Paolo Bonzini

x86 tcg cpus: Fix Lesser GPL version number

2020-11-15T15:41:42+00:00

There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant Message-Id: <20201023122801.19514-1-chetan4windows@gmail.com> Reviewed-by: Thomas Huth Signed-off-by: Thomas Huth

helper_syscall x86_64: clear exception_is_int

2020-09-30T17:11:36+00:00

The exception_is_int flag may be set on entry to helper_syscall, e.g. after a prior interrupt that has returned, and processing EXCP_SYSCALL as an interrupt causes it to fail so clear this flag. Signed-off-by: Douglas Crosher Message-Id: Signed-off-by: Paolo Bonzini

target/i386: Use cpu_*_mmuidx_ra instead of templates

2020-01-16T01:13:10+00:00

Do not use exec/cpu_ldst_{,useronly_}template.h directly, but instead use the functional interface. Cc: Eduardo Habkost Tested-by: Philippe Mathieu-Daudé Acked-by: Paolo Bonzini Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson

target/i386: Use env_cpu, env_archcpu

2019-06-10T14:03:42+00:00

Cleanup in the boilerplate that each target must define. Replace x86_env_get_cpu with env_archcpu. The combination CPU(x86_env_get_cpu) should have used ENV_GET_CPU to begin; use env_cpu now. Reviewed-by: Alistair Francis Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson

target/i386: Clear RF on SYSCALL instruction

2018-11-06T20:35:05+00:00

Fix the SYSCALL instruction in 64-bit (long mode). The RF flag should be cleared in R11 as well as in the RFLAGS. Intel and AMD CPUs behave same. AMD has this documented in the APM vol 3. Signed-off-by: Roman Kapl Signed-off-by: Rudolf Marek Message-Id: <20181019122449.26387-1-rka@sysgo.com> Signed-off-by: Paolo Bonzini

target/i386: rename HF_SVMI_MASK to HF_GUEST_MASK

2018-10-02T17:09:12+00:00

This flag will be used for KVM's nested VMX migration; the HF_GUEST_MASK name is already used in KVM, adopt it in QEMU as well. Signed-off-by: Paolo Bonzini

target/i386: unify masking of interrupts

2018-10-02T17:09:12+00:00

Interrupt handling depends on various flags in env->hflags or env->hflags2, and the exact detail were not exactly replicated between x86_cpu_has_work and x86_cpu_exec_interrupt. Create a new function that extracts the highest-priority non-masked interrupt, and use it in both functions. Signed-off-by: Paolo Bonzini

target-i386: fix segment limit check in ljmp

2018-08-23T16:46:25+00:00

The current implementation has three bugs, * segment limits are not enforced in protected mode if the L bit is set in the target segment descriptor * segment limits are not enforced in compatibility mode (ljmp to 32-bit code segment in long mode) * #GP(new_cs) is generated rather than #GP(0) Now the segment limits are enforced if we're not in long mode OR the target code segment doesn't have the L bit set. Signed-off-by: Andrew Oates Message-Id: <20180816011903.39816-1-andrew@andrewoates.com> Signed-off-by: Paolo Bonzini