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ppc 6.2 queue :

Browse Source 
* Fix of a regression in floating point load instructions (Matheus)
 * Associativity fix for pseries machine (Daniel)
 * tlbivax fix for BookE machines (Danel)
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Merge tag 'pull-ppc-20211112' of https://github.com/legoater/qemu into staging

ppc 6.2 queue :

* Fix of a regression in floating point load instructions (Matheus)
* Associativity fix for pseries machine (Daniel)
* tlbivax fix for BookE machines (Danel)

# gpg: Signature made Fri 12 Nov 2021 12:11:29 PM CET
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-ppc-20211112' of https://github.com/legoater/qemu:
  ppc/mmu_helper.c: do not truncate 'ea' in booke206_invalidate_ea_tlb()
  spapr_numa.c: fix FORM1 distance-less nodes
  target/ppc: Fix register update on lf[sd]u[x]/stf[sd]u[x]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-11-12 12:28:25 +01:00
commit 42f6c9179b
3 changed files with 33 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
hw/ppc/spapr_numa.c
View File

@ -66,16 +66,41 @@ static const uint32_t *get_associativity(SpaprMachineState *spapr, int node_id)
return spapr->FORM1_assoc_array[node_id];
}
/*
* Wrapper that returns node distance from ms->numa_state->nodes
* after handling edge cases where the distance might be absent.
*/
static int get_numa_distance(MachineState *ms, int src, int dst)
{
NodeInfo *numa_info = ms->numa_state->nodes;
int ret = numa_info[src].distance[dst];
if (ret != 0) {
return ret;
}
/*
* In case QEMU adds a default NUMA single node when the user
* did not add any, or where the user did not supply distances,
* the distance will be absent (zero). Return local/remote
* distance in this case.
*/
if (src == dst) {
return NUMA_DISTANCE_MIN;
}
return NUMA_DISTANCE_DEFAULT;
}
static bool spapr_numa_is_symmetrical(MachineState *ms)
{
int src, dst;
int nb_numa_nodes = ms->numa_state->num_nodes;
NodeInfo *numa_info = ms->numa_state->nodes;
int src, dst;
for (src = 0; src < nb_numa_nodes; src++) {
for (dst = src; dst < nb_numa_nodes; dst++) {
if (numa_info[src].distance[dst] !=
numa_info[dst].distance[src]) {
if (get_numa_distance(ms, src, dst) !=
get_numa_distance(ms, dst, src)) {
return false;
}
}
@ -133,7 +158,6 @@ static uint8_t spapr_numa_get_numa_level(uint8_t distance)
static void spapr_numa_define_FORM1_domains(SpaprMachineState *spapr)
{
MachineState *ms = MACHINE(spapr);
NodeInfo *numa_info = ms->numa_state->nodes;
int nb_numa_nodes = ms->numa_state->num_nodes;
int src, dst, i, j;
@ -170,7 +194,7 @@ static void spapr_numa_define_FORM1_domains(SpaprMachineState *spapr)
* The PPC kernel expects the associativity domains of node 0 to
* be always 0, and this algorithm will grant that by default.
*/
uint8_t distance = numa_info[src].distance[dst];
uint8_t distance = get_numa_distance(ms, src, dst);
uint8_t n_level = spapr_numa_get_numa_level(distance);
uint32_t assoc_src;
@ -498,7 +522,6 @@ static void spapr_numa_FORM2_write_rtas_tables(SpaprMachineState *spapr,
void *fdt, int rtas)
{
MachineState *ms = MACHINE(spapr);
NodeInfo *numa_info = ms->numa_state->nodes;
int nb_numa_nodes = ms->numa_state->num_nodes;
int distance_table_entries = nb_numa_nodes * nb_numa_nodes;
g_autofree uint32_t *lookup_index_table = NULL;
@ -540,30 +563,7 @@ static void spapr_numa_FORM2_write_rtas_tables(SpaprMachineState *spapr,
for (src = 0; src < nb_numa_nodes; src++) {
for (dst = 0; dst < nb_numa_nodes; dst++) {
/*
* We need to be explicit with the local distance
* value to cover the case where the user didn't added any
* NUMA nodes, but QEMU adds the default NUMA node without
* adding the numa_info to retrieve distance info from.
*/
distance_table[i] = numa_info[src].distance[dst];
if (distance_table[i] == 0) {
/*
* In case QEMU adds a default NUMA single node when the user
* did not add any, or where the user did not supply distances,
* the value will be 0 here. Populate the table with a fallback
* simple local / remote distance.
*/
if (src == dst) {
distance_table[i] = NUMA_DISTANCE_MIN;
} else {
distance_table[i] = numa_info[src].distance[dst];
if (distance_table[i] < NUMA_DISTANCE_MIN) {
distance_table[i] = NUMA_DISTANCE_DEFAULT;
}
}
}
i++;
distance_table[i++] = get_numa_distance(ms, src, dst);
}
}

2
target/ppc/mmu_helper.c
View File

@ -1216,7 +1216,7 @@ void helper_booke206_tlbsx(CPUPPCState *env, target_ulong address)
}
static inline void booke206_invalidate_ea_tlb(CPUPPCState *env, int tlbn,
uint32_t ea)
vaddr ea)
{
int i;
int ways = booke206_tlb_ways(env, tlbn);

2
target/ppc/translate/fp-impl.c.inc
View File

@ -1328,7 +1328,7 @@ static bool do_lsfpsd(DisasContext *ctx, int rt, int ra, TCGv displ,
set_fpr(rt, t0);
}
if (update) {
tcg_gen_mov_tl(cpu_gpr[rt], ea);
tcg_gen_mov_tl(cpu_gpr[ra], ea);
}
tcg_temp_free_i64(t0);
tcg_temp_free(ea);