On Fri, 15 Jan 2021 15:00:27 PST (-0800), Alistair Francis wrote:
We were accidently passing RISCVHartArrayState by value instead of
pointer. The type is 824 bytes long so let's correct that and pass it by
pointer instead.

Fixes: Coverity CID 1438099
Fixes: Coverity CID 1438100
Fixes: Coverity CID 1438101
Signed-off-by: Alistair Francis <alistair.fran...@wdc.com>
---
 include/hw/riscv/boot.h |  6 +++---
 hw/riscv/boot.c         |  8 ++++----
 hw/riscv/sifive_u.c     | 10 +++++-----
 hw/riscv/spike.c        |  8 ++++----
 hw/riscv/virt.c         |  8 ++++----
 5 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h
index 20ff5fe5e5..11a21dd584 100644
--- a/include/hw/riscv/boot.h
+++ b/include/hw/riscv/boot.h
@@ -24,9 +24,9 @@
 #include "hw/loader.h"
 #include "hw/riscv/riscv_hart.h"

-bool riscv_is_32bit(RISCVHartArrayState harts);
+bool riscv_is_32bit(RISCVHartArrayState *harts);

-target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState harts,
+target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts,
                                           target_ulong firmware_end_addr);
 target_ulong riscv_find_and_load_firmware(MachineState *machine,
                                           const char *default_machine_firmware,
@@ -42,7 +42,7 @@ target_ulong riscv_load_kernel(const char *kernel_filename,
 hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size,
                          uint64_t kernel_entry, hwaddr *start);
 uint32_t riscv_load_fdt(hwaddr dram_start, uint64_t dram_size, void *fdt);
-void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState 
harts,
+void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState 
*harts,
                                hwaddr saddr,
                                hwaddr rom_base, hwaddr rom_size,
                                uint64_t kernel_entry,
diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 83586aef41..acf77675b2 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -33,14 +33,14 @@

 #include <libfdt.h>

-bool riscv_is_32bit(RISCVHartArrayState harts)
+bool riscv_is_32bit(RISCVHartArrayState *harts)
 {
-    RISCVCPU hart = harts.harts[0];
+    RISCVCPU hart = harts->harts[0];

     return riscv_cpu_is_32bit(&hart.env);
 }

-target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState harts,
+target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts,
                                           target_ulong firmware_end_addr) {
     if (riscv_is_32bit(harts)) {
         return QEMU_ALIGN_UP(firmware_end_addr, 4 * MiB);
@@ -247,7 +247,7 @@ void riscv_rom_copy_firmware_info(MachineState *machine, 
hwaddr rom_base,
                            &address_space_memory);
 }

-void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState 
harts,
+void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState 
*harts,
                                hwaddr start_addr,
                                hwaddr rom_base, hwaddr rom_size,
                                uint64_t kernel_entry,
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index f5c400dd44..d23f349b4e 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -466,7 +466,7 @@ static void sifive_u_machine_init(MachineState *machine)

     /* create device tree */
     create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline,
-               riscv_is_32bit(s->soc.u_cpus));
+               riscv_is_32bit(&s->soc.u_cpus));

     if (s->start_in_flash) {
         /*
@@ -495,7 +495,7 @@ static void sifive_u_machine_init(MachineState *machine)
         break;
     }

-    if (riscv_is_32bit(s->soc.u_cpus)) {
+    if (riscv_is_32bit(&s->soc.u_cpus)) {
         firmware_end_addr = riscv_find_and_load_firmware(machine,
                                     "opensbi-riscv32-generic-fw_dynamic.bin",
                                     start_addr, NULL);
@@ -506,7 +506,7 @@ static void sifive_u_machine_init(MachineState *machine)
     }

     if (machine->kernel_filename) {
-        kernel_start_addr = riscv_calc_kernel_start_addr(s->soc.u_cpus,
+        kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc.u_cpus,
                                                          firmware_end_addr);

         kernel_entry = riscv_load_kernel(machine->kernel_filename,
@@ -533,7 +533,7 @@ static void sifive_u_machine_init(MachineState *machine)
     /* Compute the fdt load address in dram */
     fdt_load_addr = riscv_load_fdt(memmap[SIFIVE_U_DEV_DRAM].base,
                                    machine->ram_size, s->fdt);
-    if (!riscv_is_32bit(s->soc.u_cpus)) {
+    if (!riscv_is_32bit(&s->soc.u_cpus)) {
         start_addr_hi32 = (uint64_t)start_addr >> 32;
     }

@@ -552,7 +552,7 @@ static void sifive_u_machine_init(MachineState *machine)
         0x00000000,
                                        /* fw_dyn: */
     };
-    if (riscv_is_32bit(s->soc.u_cpus)) {
+    if (riscv_is_32bit(&s->soc.u_cpus)) {
         reset_vec[4] = 0x0202a583;     /*     lw     a1, 32(t0) */
         reset_vec[5] = 0x0182a283;     /*     lw     t0, 24(t0) */
     } else {
diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c
index e723ca0ac9..56986ecfe0 100644
--- a/hw/riscv/spike.c
+++ b/hw/riscv/spike.c
@@ -244,7 +244,7 @@ static void spike_board_init(MachineState *machine)

     /* create device tree */
     create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline,
-               riscv_is_32bit(s->soc[0]));
+               riscv_is_32bit(&s->soc[0]));

     /* boot rom */
     memory_region_init_rom(mask_rom, NULL, "riscv.spike.mrom",
@@ -257,7 +257,7 @@ static void spike_board_init(MachineState *machine)
      * keeping ELF files here was intentional because BIN files don't work
      * for the Spike machine as HTIF emulation depends on ELF parsing.
      */
-    if (riscv_is_32bit(s->soc[0])) {
+    if (riscv_is_32bit(&s->soc[0])) {
         firmware_end_addr = riscv_find_and_load_firmware(machine,
                                     "opensbi-riscv32-generic-fw_dynamic.elf",
                                     memmap[SPIKE_DRAM].base,
@@ -270,7 +270,7 @@ static void spike_board_init(MachineState *machine)
     }

     if (machine->kernel_filename) {
-        kernel_start_addr = riscv_calc_kernel_start_addr(s->soc[0],
+        kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc[0],
                                                          firmware_end_addr);

         kernel_entry = riscv_load_kernel(machine->kernel_filename,
@@ -299,7 +299,7 @@ static void spike_board_init(MachineState *machine)
     fdt_load_addr = riscv_load_fdt(memmap[SPIKE_DRAM].base,
                                    machine->ram_size, s->fdt);
     /* load the reset vector */
-    riscv_setup_rom_reset_vec(machine, s->soc[0], memmap[SPIKE_DRAM].base,
+    riscv_setup_rom_reset_vec(machine, &s->soc[0], memmap[SPIKE_DRAM].base,
                               memmap[SPIKE_MROM].base,
                               memmap[SPIKE_MROM].size, kernel_entry,
                               fdt_load_addr, s->fdt);
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 8de4c35c9d..2299b3a6be 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -601,7 +601,7 @@ static void virt_machine_init(MachineState *machine)

     /* create device tree */
     create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline,
-               riscv_is_32bit(s->soc[0]));
+               riscv_is_32bit(&s->soc[0]));

     /* boot rom */
     memory_region_init_rom(mask_rom, NULL, "riscv_virt_board.mrom",
@@ -609,7 +609,7 @@ static void virt_machine_init(MachineState *machine)
     memory_region_add_subregion(system_memory, memmap[VIRT_MROM].base,
                                 mask_rom);

-    if (riscv_is_32bit(s->soc[0])) {
+    if (riscv_is_32bit(&s->soc[0])) {
         firmware_end_addr = riscv_find_and_load_firmware(machine,
                                     "opensbi-riscv32-generic-fw_dynamic.bin",
                                     start_addr, NULL);
@@ -620,7 +620,7 @@ static void virt_machine_init(MachineState *machine)
     }

     if (machine->kernel_filename) {
-        kernel_start_addr = riscv_calc_kernel_start_addr(s->soc[0],
+        kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc[0],
                                                          firmware_end_addr);

         kernel_entry = riscv_load_kernel(machine->kernel_filename,
@@ -656,7 +656,7 @@ static void virt_machine_init(MachineState *machine)
     fdt_load_addr = riscv_load_fdt(memmap[VIRT_DRAM].base,
                                    machine->ram_size, s->fdt);
     /* load the reset vector */
-    riscv_setup_rom_reset_vec(machine, s->soc[0], start_addr,
+    riscv_setup_rom_reset_vec(machine, &s->soc[0], start_addr,
                               virt_memmap[VIRT_MROM].base,
                               virt_memmap[VIRT_MROM].size, kernel_entry,
                               fdt_load_addr, s->fdt);

Reviewed-by: Palmer Dabbelt <palmerdabb...@google.com>

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