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From: Alistair Francis <alistair.francis@opensource.wdc.com>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com,
	"Daniel Henrique Barboza" <dbarboza@ventanamicro.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Alistair Francis" <alistair.francis@wdc.com>
Subject: [PULL 08/32] hw/riscv/virt.c: calculate socket count once in create_fdt_imsic()
Date: Tue,  7 Feb 2023 17:09:19 +1000	[thread overview]
Message-ID: <20230207070943.2558857-9-alistair.francis@opensource.wdc.com> (raw)
In-Reply-To: <20230207070943.2558857-1-alistair.francis@opensource.wdc.com>

From: Daniel Henrique Barboza <dbarboza@ventanamicro.com>

riscv_socket_count() returns either ms->numa_state->num_nodes or 1
depending on NUMA support. In any case the value can be retrieved only
once and used in the rest of the function.

This will also alleviate the rename we're going to do next by reducing
the instances of MachineState 'mc' inside hw/riscv/virt.c.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230124212234.412630-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 hw/riscv/virt.c | 34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 4a11b4b010..61fdb52090 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -505,13 +505,14 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
     int cpu, socket;
     char *imsic_name;
     MachineState *mc = MACHINE(s);
+    int socket_count = riscv_socket_count(mc);
     uint32_t imsic_max_hart_per_socket, imsic_guest_bits;
     uint32_t *imsic_cells, *imsic_regs, imsic_addr, imsic_size;
 
     *msi_m_phandle = (*phandle)++;
     *msi_s_phandle = (*phandle)++;
     imsic_cells = g_new0(uint32_t, mc->smp.cpus * 2);
-    imsic_regs = g_new0(uint32_t, riscv_socket_count(mc) * 4);
+    imsic_regs = g_new0(uint32_t, socket_count * 4);
 
     /* M-level IMSIC node */
     for (cpu = 0; cpu < mc->smp.cpus; cpu++) {
@@ -519,7 +520,7 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
         imsic_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_M_EXT);
     }
     imsic_max_hart_per_socket = 0;
-    for (socket = 0; socket < riscv_socket_count(mc); socket++) {
+    for (socket = 0; socket < socket_count; socket++) {
         imsic_addr = memmap[VIRT_IMSIC_M].base +
                      socket * VIRT_IMSIC_GROUP_MAX_SIZE;
         imsic_size = IMSIC_HART_SIZE(0) * s->soc[socket].num_harts;
@@ -545,14 +546,14 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
     qemu_fdt_setprop(mc->fdt, imsic_name, "interrupts-extended",
         imsic_cells, mc->smp.cpus * sizeof(uint32_t) * 2);
     qemu_fdt_setprop(mc->fdt, imsic_name, "reg", imsic_regs,
-        riscv_socket_count(mc) * sizeof(uint32_t) * 4);
+        socket_count * sizeof(uint32_t) * 4);
     qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids",
         VIRT_IRQCHIP_NUM_MSIS);
-    if (riscv_socket_count(mc) > 1) {
+    if (socket_count > 1) {
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits",
             imsic_num_bits(imsic_max_hart_per_socket));
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-bits",
-            imsic_num_bits(riscv_socket_count(mc)));
+            imsic_num_bits(socket_count));
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-shift",
             IMSIC_MMIO_GROUP_MIN_SHIFT);
     }
@@ -567,7 +568,7 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
     }
     imsic_guest_bits = imsic_num_bits(s->aia_guests + 1);
     imsic_max_hart_per_socket = 0;
-    for (socket = 0; socket < riscv_socket_count(mc); socket++) {
+    for (socket = 0; socket < socket_count; socket++) {
         imsic_addr = memmap[VIRT_IMSIC_S].base +
                      socket * VIRT_IMSIC_GROUP_MAX_SIZE;
         imsic_size = IMSIC_HART_SIZE(imsic_guest_bits) *
@@ -594,18 +595,18 @@ static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
     qemu_fdt_setprop(mc->fdt, imsic_name, "interrupts-extended",
         imsic_cells, mc->smp.cpus * sizeof(uint32_t) * 2);
     qemu_fdt_setprop(mc->fdt, imsic_name, "reg", imsic_regs,
-        riscv_socket_count(mc) * sizeof(uint32_t) * 4);
+        socket_count * sizeof(uint32_t) * 4);
     qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids",
         VIRT_IRQCHIP_NUM_MSIS);
     if (imsic_guest_bits) {
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,guest-index-bits",
             imsic_guest_bits);
     }
-    if (riscv_socket_count(mc) > 1) {
+    if (socket_count > 1) {
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,hart-index-bits",
             imsic_num_bits(imsic_max_hart_per_socket));
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-bits",
-            imsic_num_bits(riscv_socket_count(mc)));
+            imsic_num_bits(socket_count));
         qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,group-index-shift",
             IMSIC_MMIO_GROUP_MIN_SHIFT);
     }
@@ -733,6 +734,7 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
     MachineState *mc = MACHINE(s);
     uint32_t msi_m_phandle = 0, msi_s_phandle = 0;
     uint32_t *intc_phandles, xplic_phandles[MAX_NODES];
+    int socket_count = riscv_socket_count(mc);
 
     qemu_fdt_add_subnode(mc->fdt, "/cpus");
     qemu_fdt_setprop_cell(mc->fdt, "/cpus", "timebase-frequency",
@@ -744,7 +746,7 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
     intc_phandles = g_new0(uint32_t, mc->smp.cpus);
 
     phandle_pos = mc->smp.cpus;
-    for (socket = (riscv_socket_count(mc) - 1); socket >= 0; socket--) {
+    for (socket = (socket_count - 1); socket >= 0; socket--) {
         phandle_pos -= s->soc[socket].num_harts;
 
         clust_name = g_strdup_printf("/cpus/cpu-map/cluster%d", socket);
@@ -775,7 +777,7 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
     }
 
     phandle_pos = mc->smp.cpus;
-    for (socket = (riscv_socket_count(mc) - 1); socket >= 0; socket--) {
+    for (socket = (socket_count - 1); socket >= 0; socket--) {
         phandle_pos -= s->soc[socket].num_harts;
 
         if (s->aia_type == VIRT_AIA_TYPE_NONE) {
@@ -790,7 +792,7 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
 
     g_free(intc_phandles);
 
-    for (socket = 0; socket < riscv_socket_count(mc); socket++) {
+    for (socket = 0; socket < socket_count; socket++) {
         if (socket == 0) {
             *irq_mmio_phandle = xplic_phandles[socket];
             *irq_virtio_phandle = xplic_phandles[socket];
@@ -1051,7 +1053,8 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap)
 
     /* Pass seed to RNG */
     qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed));
-    qemu_fdt_setprop(mc->fdt, "/chosen", "rng-seed", rng_seed, sizeof(rng_seed));
+    qemu_fdt_setprop(mc->fdt, "/chosen", "rng-seed",
+                     rng_seed, sizeof(rng_seed));
 }
 
 static inline DeviceState *gpex_pcie_init(MemoryRegion *sys_mem,
@@ -1328,9 +1331,10 @@ static void virt_machine_init(MachineState *machine)
     char *soc_name;
     DeviceState *mmio_irqchip, *virtio_irqchip, *pcie_irqchip;
     int i, base_hartid, hart_count;
+    int socket_count = riscv_socket_count(machine);
 
     /* Check socket count limit */
-    if (VIRT_SOCKETS_MAX < riscv_socket_count(machine)) {
+    if (VIRT_SOCKETS_MAX < socket_count) {
         error_report("number of sockets/nodes should be less than %d",
             VIRT_SOCKETS_MAX);
         exit(1);
@@ -1338,7 +1342,7 @@ static void virt_machine_init(MachineState *machine)
 
     /* Initialize sockets */
     mmio_irqchip = virtio_irqchip = pcie_irqchip = NULL;
-    for (i = 0; i < riscv_socket_count(machine); i++) {
+    for (i = 0; i < socket_count; i++) {
         if (!riscv_socket_check_hartids(machine, i)) {
             error_report("discontinuous hartids in socket%d", i);
             exit(1);
-- 
2.39.1



  parent reply	other threads:[~2023-02-07  7:14 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-07  7:09 [PULL 00/32] riscv-to-apply queue Alistair Francis
2023-02-07  7:09 ` [PULL 01/32] target/riscv: update disas.c for xnor/orn/andn and slli.uw Alistair Francis
2023-02-07  7:09 ` [PULL 02/32] include/hw/riscv/opentitan: update opentitan IRQs Alistair Francis
2023-02-07  7:09 ` [PULL 03/32] hw/riscv: boot: Don't use CSRs if they are disabled Alistair Francis
2023-02-07  7:09 ` [PULL 04/32] target/riscv: Update VS timer whenever htimedelta changes Alistair Francis
2023-02-07  7:09 ` [PULL 05/32] target/riscv: Don't clear mask in riscv_cpu_update_mip() for VSTIP Alistair Francis
2023-02-07  7:09 ` [PULL 06/32] target/riscv: No need to re-start QEMU timer when timecmp == UINT64_MAX Alistair Francis
2023-02-07  7:09 ` [PULL 07/32] target/riscv: Ensure opcode is saved for all relevant instructions Alistair Francis
2023-02-07  7:09 ` Alistair Francis [this message]
2023-02-07  7:09 ` [PULL 09/32] hw/riscv/virt.c: rename MachineState 'mc' pointers to 'ms' Alistair Francis
2023-02-07  7:09 ` [PULL 10/32] hw/riscv/spike.c: rename MachineState 'mc' pointers to' ms' Alistair Francis
2023-02-07  7:09 ` [PULL 11/32] target/riscv: set tval for triggered watchpoints Alistair Francis
2023-02-07  7:09 ` [PULL 12/32] hw/riscv/boot.c: calculate fdt size after fdt_pack() Alistair Francis
2023-02-07  7:09 ` [PULL 13/32] hw/riscv: split fdt address calculation from fdt load Alistair Francis
2023-02-07  7:09 ` [PULL 14/32] hw/riscv: change riscv_compute_fdt_addr() semantics Alistair Francis
2023-02-07  7:09 ` [PULL 15/32] RISC-V: Adding XTheadCmo ISA extension Alistair Francis
2023-02-07  7:09 ` [PULL 16/32] RISC-V: Adding XTheadSync " Alistair Francis
2023-02-07  7:09 ` [PULL 17/32] RISC-V: Adding XTheadBa " Alistair Francis
2023-02-07  7:09 ` [PULL 18/32] RISC-V: Adding XTheadBb " Alistair Francis
2023-02-07  7:09 ` [PULL 19/32] RISC-V: Adding XTheadBs " Alistair Francis
2023-02-07  7:09 ` [PULL 20/32] RISC-V: Adding XTheadCondMov " Alistair Francis
2023-02-07  7:09 ` [PULL 21/32] RISC-V: Adding T-Head multiply-accumulate instructions Alistair Francis
2023-02-07  7:09 ` [PULL 22/32] RISC-V: Adding T-Head MemPair extension Alistair Francis
2023-02-07  7:09 ` [PULL 23/32] RISC-V: Adding T-Head MemIdx extension Alistair Francis
2023-02-07  7:09 ` [PULL 24/32] RISC-V: Adding T-Head FMemIdx extension Alistair Francis
2023-02-07  7:09 ` [PULL 25/32] RISC-V: Set minimum priv version for Zfh to 1.11 Alistair Francis
2023-02-07  7:09 ` [PULL 26/32] RISC-V: Add initial support for T-Head C906 Alistair Francis
2023-02-07  7:09 ` [PULL 27/32] RISC-V: Adding XTheadFmv ISA extension Alistair Francis
2023-02-07  7:09 ` [PULL 28/32] target/riscv: add a MAINTAINERS entry for XThead* extension support Alistair Francis
2023-02-07  7:09 ` [PULL 29/32] target/riscv: fix for virtual instr exception Alistair Francis
2023-02-07  7:09 ` [PULL 30/32] target/riscv: fix ctzw behavior Alistair Francis
2023-02-07  7:09 ` [PULL 31/32] target/riscv: fix SBI getchar handler for KVM Alistair Francis
2023-02-07  7:09 ` [PULL 32/32] hw/riscv: virt: Simplify virt_{get,set}_aclint() Alistair Francis
2023-02-07 20:12 ` [PULL 00/32] riscv-to-apply queue Peter Maydell

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