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hv_vm: Support LDAR/STLR instructions

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Signed-off-by: Asahi Lina <lina@asahilina.net>
This commit is contained in:
Asahi Lina 2022-09-23 00:17:24 +09:00
parent 63345c43ac
commit a15eb0919d
1 changed files with 9 additions and 0 deletions
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9
src/hv_vm.c
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@ -668,6 +668,10 @@ static bool emulate_load(struct exc_info *ctx, u32 insn, u64 *val, u64 *width, u
get_simd_state(simd); get_simd_state(simd);
simd[Rt].d[index] = val[0]; simd[Rt].d[index] = val[0];
put_simd_state(simd); put_simd_state(simd);
} else if ((insn & 0x3ffffc00) == 0x08dffc00) {
// LDAR*
DECODE_OK;
regs[Rt] = *val;
} else { } else {
return false; return false;
} }
@ -789,6 +793,9 @@ static bool emulate_store(struct exc_info *ctx, u32 insn, u64 *val, u64 *width,
*vaddr = regs[Rt]; *vaddr = regs[Rt];
memset(val, 0, CACHE_LINE_SIZE); memset(val, 0, CACHE_LINE_SIZE);
*width = CACHE_LINE_LOG2; *width = CACHE_LINE_LOG2;
} else if ((insn & 0x3ffffc00) == 0x089ffc00) {
// STL qR*
*val = regs[Rt] & mask;
} else { } else {
return false; return false;
} }
@ -825,6 +832,7 @@ static void emit_mmiotrace(u64 pc, u64 addr, u64 *data, u64 width, u64 flags, bo
bool hv_pa_write(struct exc_info *ctx, u64 addr, u64 *val, int width) bool hv_pa_write(struct exc_info *ctx, u64 addr, u64 *val, int width)
{ {
sysop("dsb sy");
exc_count = 0; exc_count = 0;
exc_guard = GUARD_SKIP; exc_guard = GUARD_SKIP;
switch (width) { switch (width) {
@ -867,6 +875,7 @@ bool hv_pa_write(struct exc_info *ctx, u64 addr, u64 *val, int width)
bool hv_pa_read(struct exc_info *ctx, u64 addr, u64 *val, int width) bool hv_pa_read(struct exc_info *ctx, u64 addr, u64 *val, int width)
{ {
sysop("dsb sy");
exc_count = 0; exc_count = 0;
exc_guard = GUARD_SKIP; exc_guard = GUARD_SKIP;
switch (width) { switch (width) {