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-rw-r--r--hw/arm-misc.h2
-rw-r--r--hw/arm_boot.c8
-rw-r--r--hw/exynos4_boards.c3
-rw-r--r--hw/realview.c12
-rw-r--r--hw/vexpress.c6
5 files changed, 18 insertions, 13 deletions
diff --git a/hw/arm-misc.h b/hw/arm-misc.h
index 5e5204b..306013a 100644
--- a/hw/arm-misc.h
+++ b/hw/arm-misc.h
@@ -37,7 +37,7 @@ struct arm_boot_info {
*/
target_phys_addr_t smp_loader_start;
target_phys_addr_t smp_bootreg_addr;
- target_phys_addr_t smp_priv_base;
+ target_phys_addr_t gic_cpu_if_addr;
int nb_cpus;
int board_id;
int (*atag_board)(const struct arm_boot_info *info, void *p);
diff --git a/hw/arm_boot.c b/hw/arm_boot.c
index 34a8739..2ef25ca 100644
--- a/hw/arm_boot.c
+++ b/hw/arm_boot.c
@@ -43,16 +43,16 @@ static uint32_t bootloader[] = {
* location for the kernel secondary CPU entry point.
*/
static uint32_t smpboot[] = {
- 0xe59f201c, /* ldr r2, privbase */
+ 0xe59f201c, /* ldr r2, gic_cpu_if */
0xe59f001c, /* ldr r0, startaddr */
0xe3a01001, /* mov r1, #1 */
- 0xe5821100, /* str r1, [r2, #256] */
+ 0xe5821000, /* str r1, [r2] */
0xe320f003, /* wfi */
0xe5901000, /* ldr r1, [r0] */
0xe1110001, /* tst r1, r1 */
0x0afffffb, /* beq <wfi> */
0xe12fff11, /* bx r1 */
- 0, /* privbase: Private memory region base address. */
+ 0, /* gic_cpu_if: base address of GIC CPU interface */
0 /* bootreg: Boot register address is held here */
};
@@ -61,7 +61,7 @@ static void default_write_secondary(CPUState *env,
{
int n;
smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr;
- smpboot[ARRAY_SIZE(smpboot) - 2] = info->smp_priv_base;
+ smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr;
for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
smpboot[n] = tswap32(smpboot[n]);
}
diff --git a/hw/exynos4_boards.c b/hw/exynos4_boards.c
index 329efbe..553a02b 100644
--- a/hw/exynos4_boards.c
+++ b/hw/exynos4_boards.c
@@ -112,7 +112,8 @@ static Exynos4210State *exynos4_boards_init_common(
exynos4_board_binfo.kernel_filename = kernel_filename;
exynos4_board_binfo.initrd_filename = initrd_filename;
exynos4_board_binfo.kernel_cmdline = kernel_cmdline;
- exynos4_board_binfo.smp_priv_base = EXYNOS4210_SMP_PRIVATE_BASE_ADDR;
+ exynos4_board_binfo.gic_cpu_if_addr =
+ EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
" kernel_filename: %s\n"
diff --git a/hw/realview.c b/hw/realview.c
index bcf982f..ae1bbcd 100644
--- a/hw/realview.c
+++ b/hw/realview.c
@@ -222,21 +222,23 @@ static void realview_init(ram_addr_t ram_size,
sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000);
if (is_mpcore) {
+ target_phys_addr_t periphbase;
dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore");
qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
qdev_init_nofail(dev);
busdev = sysbus_from_qdev(dev);
if (is_pb) {
- realview_binfo.smp_priv_base = 0x1f000000;
+ periphbase = 0x1f000000;
} else {
- realview_binfo.smp_priv_base = 0x10100000;
+ periphbase = 0x10100000;
}
- sysbus_mmio_map(busdev, 0, realview_binfo.smp_priv_base);
+ sysbus_mmio_map(busdev, 0, periphbase);
for (n = 0; n < smp_cpus; n++) {
sysbus_connect_irq(busdev, n, cpu_irq[n]);
}
- sysbus_create_varargs("l2x0", realview_binfo.smp_priv_base + 0x2000,
- NULL);
+ sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
+ /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
+ realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
} else {
uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
/* For now just create the nIRQ GIC, and ignore the others. */
diff --git a/hw/vexpress.c b/hw/vexpress.c
index 43ad206..aae9d81 100644
--- a/hw/vexpress.c
+++ b/hw/vexpress.c
@@ -115,6 +115,7 @@ typedef void DBoardInitFn(const VEDBoardInfo *daughterboard,
struct VEDBoardInfo {
const target_phys_addr_t *motherboard_map;
target_phys_addr_t loader_start;
+ const target_phys_addr_t gic_cpu_if_addr;
DBoardInitFn *init;
};
@@ -175,8 +176,7 @@ static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
qdev_init_nofail(dev);
busdev = sysbus_from_qdev(dev);
- vexpress_binfo.smp_priv_base = 0x1e000000;
- sysbus_mmio_map(busdev, 0, vexpress_binfo.smp_priv_base);
+ sysbus_mmio_map(busdev, 0, 0x1e000000);
for (n = 0; n < smp_cpus; n++) {
sysbus_connect_irq(busdev, n, cpu_irq[n]);
}
@@ -214,6 +214,7 @@ static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
static const VEDBoardInfo a9_daughterboard = {
.motherboard_map = motherboard_legacy_map,
.loader_start = 0x60000000,
+ .gic_cpu_if_addr = 0x1e000100,
.init = a9_daughterboard_init,
};
@@ -316,6 +317,7 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard,
vexpress_binfo.loader_start = daughterboard->loader_start;
vexpress_binfo.smp_loader_start = map[VE_SRAM];
vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
+ vexpress_binfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
arm_load_kernel(first_cpu, &vexpress_binfo);
}