[Qemu-devel] [PATCH for-1.4 06/12] fw_cfg: Remove FW_CFG_MAX_CPUS from fw_cfg_init()

[Eduardo Habkost]

PC will not use max_cpus for that field, so move it outside the common
code so it can use a different value on PC.

Signed-off-by: Eduardo Habkost <address@hidden>
---
 hw/fw_cfg.c       | 1 -
 hw/pc.c           | 2 +-
 hw/ppc_newworld.c | 1 +
 hw/ppc_oldworld.c | 1 +
 hw/sun4m.c        | 3 +++
 hw/sun4u.c        | 1 +
 6 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/hw/fw_cfg.c b/hw/fw_cfg.c
index 7c9480c..2a31339 100644
--- a/hw/fw_cfg.c
+++ b/hw/fw_cfg.c
@@ -519,7 +519,6 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t 
data_port,
     fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
     fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == 
DT_NOGRAPHIC));
     fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
-    fw_cfg_add_i16(s, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu);
     fw_cfg_bootsplash(s);
     fw_cfg_reboot(s);
diff --git a/hw/pc.c b/hw/pc.c
index ba1f19d..076398b 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -560,7 +560,7 @@ static void *bochs_bios_init(void)
     int i, j;
 
     fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
-
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_bytes(fw_cfg, FW_CFG_ACPI_TABLES, (uint8_t *)acpi_tables,
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index 7a465a7..85ba1c4 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -397,6 +397,7 @@ static void ppc_core99_init(QEMUMachineInitArgs *args)
     /* No PCI init: the BIOS will do it */
 
     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, machine_arch);
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index de34e75..e4eb444 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -296,6 +296,7 @@ static void ppc_heathrow_init(QEMUMachineInitArgs *args)
     /* No PCI init: the BIOS will do it */
 
     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 6f5de44..7474059 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -1021,6 +1021,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef 
*hwdef, ram_addr_t RAM_size,
                  hwdef->ecc_version);
 
     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
@@ -1667,6 +1668,7 @@ static void sun4d_hw_init(const struct sun4d_hwdef 
*hwdef, ram_addr_t RAM_size,
                "Sun4d");
 
     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
@@ -1869,6 +1871,7 @@ static void sun4c_hw_init(const struct sun4c_hwdef 
*hwdef, ram_addr_t RAM_size,
                "Sun4c");
 
     fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
diff --git a/hw/sun4u.c b/hw/sun4u.c
index cb75d03..95850d3 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -878,6 +878,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
                            (uint8_t *)&nd_table[0].macaddr);
 
     fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
     fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
-- 
1.7.11.7