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authorHelge Deller <deller@gmx.de>2020-09-02 21:21:01 +0200
committerHelge Deller <deller@gmx.de>2020-09-02 23:16:51 +0200
commit245760074a74500ce285cf1a08b3ea6a6e91128a (patch)
treea4fe8d9436d0f544402ca2f35d9f3b8ef430ce97 /hw/hppa
parent34743e9633ab4a76a9bbcf55a0daa11cb2be58c4 (diff)
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hw/hppa: Tell SeaBIOS port address of fw_cfg
Change QEMU_FW_CFG_IO_BASE to shorter variant FW_CFG_IO_BASE and hand over the actual port address in %r19 to SeaBIOS. Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/hppa')
-rw-r--r--hw/hppa/hppa_hardware.h2
-rw-r--r--hw/hppa/machine.c7
2 files changed, 7 insertions, 2 deletions
diff --git a/hw/hppa/hppa_hardware.h b/hw/hppa/hppa_hardware.h
index b2fbbc2..bc25889 100644
--- a/hw/hppa/hppa_hardware.h
+++ b/hw/hppa/hppa_hardware.h
@@ -38,7 +38,7 @@
#define PORT_PCI_CMD (PCI_HPA + DINO_PCI_ADDR)
#define PORT_PCI_DATA (PCI_HPA + DINO_CONFIG_DATA)
-#define QEMU_FW_CFG_IO_BASE 0xfffa0000
+#define FW_CFG_IO_BASE 0xfffa0000
#define PORT_SERIAL1 (DINO_UART_HPA + 0x800)
#define PORT_SERIAL2 (LASI_UART_HPA + 0x800)
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index 4b35afc..2bed498 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -69,7 +69,7 @@ static FWCfgState *create_fw_cfg(MachineState *ms)
FWCfgState *fw_cfg;
uint64_t val;
- fw_cfg = fw_cfg_init_mem(QEMU_FW_CFG_IO_BASE, QEMU_FW_CFG_IO_BASE + 4);
+ fw_cfg = fw_cfg_init_mem(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4);
fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus);
fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS);
fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ram_size);
@@ -290,6 +290,9 @@ static void machine_hppa_init(MachineState *machine)
/* tell firmware how many SMP CPUs to present in inventory table */
cpu[0]->env.gr[21] = smp_cpus;
+
+ /* tell firmware fw_cfg port */
+ cpu[0]->env.gr[19] = FW_CFG_IO_BASE;
}
static void hppa_machine_reset(MachineState *ms)
@@ -317,6 +320,8 @@ static void hppa_machine_reset(MachineState *ms)
cpu[0]->env.gr[24] = 'c';
/* gr22/gr23 unused, no initrd while reboot. */
cpu[0]->env.gr[21] = smp_cpus;
+ /* tell firmware fw_cfg port */
+ cpu[0]->env.gr[19] = FW_CFG_IO_BASE;
}