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author | Alistair Francis <alistair.francis@xilinx.com> | 2016-01-21 14:15:08 +0000 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-11-29 19:28:26 -0600 |
commit | e672d33570c29b4ea933bf19e7563e18fb9872cf (patch) | |
tree | ed60947463e7a90366fe24ba264591f87eb768f9 /hw | |
parent | 6527f66b0f24b543eeaff8e21a043bbe7714e046 (diff) | |
download | hqemu-e672d33570c29b4ea933bf19e7563e18fb9872cf.zip hqemu-e672d33570c29b4ea933bf19e7563e18fb9872cf.tar.gz |
arm_gic: Update ID registers based on revision
Update the GIC ID registers (registers above 0xfe0) based on the GIC
revision instead of using the sames values for all GIC implementations.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Tested-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Message-id: 629e7fa5d47f2800e51cc1f18d12635f1eece349.1453333840.git.alistair.francis@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/intc/arm_gic.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c index 13e297d..cd60176 100644 --- a/hw/intc/arm_gic.c +++ b/hw/intc/arm_gic.c @@ -31,8 +31,16 @@ do { fprintf(stderr, "arm_gic: " fmt , ## __VA_ARGS__); } while (0) #define DPRINTF(fmt, ...) do {} while(0) #endif -static const uint8_t gic_id[] = { - 0x90, 0x13, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 +static const uint8_t gic_id_11mpcore[] = { + 0x00, 0x00, 0x00, 0x00, 0x90, 0x13, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 +}; + +static const uint8_t gic_id_gicv1[] = { + 0x04, 0x00, 0x00, 0x00, 0x90, 0xb3, 0x1b, 0x00, 0x0d, 0xf0, 0x05, 0xb1 +}; + +static const uint8_t gic_id_gicv2[] = { + 0x04, 0x00, 0x00, 0x00, 0x90, 0xb4, 0x2b, 0x00, 0x0d, 0xf0, 0x05, 0xb1 }; static inline int gic_get_current_cpu(GICState *s) @@ -683,14 +691,31 @@ static uint32_t gic_dist_readb(void *opaque, hwaddr offset, MemTxAttrs attrs) } res = s->sgi_pending[irq][cpu]; - } else if (offset < 0xfe0) { + } else if (offset < 0xfd0) { goto bad_reg; - } else /* offset >= 0xfe0 */ { + } else if (offset < 0x1000) { if (offset & 3) { res = 0; } else { - res = gic_id[(offset - 0xfe0) >> 2]; + switch (s->revision) { + case REV_11MPCORE: + res = gic_id_11mpcore[(offset - 0xfd0) >> 2]; + break; + case 1: + res = gic_id_gicv1[(offset - 0xfd0) >> 2]; + break; + case 2: + res = gic_id_gicv2[(offset - 0xfd0) >> 2]; + break; + case REV_NVIC: + /* Shouldn't be able to get here */ + abort(); + default: + res = 0; + } } + } else { + g_assert_not_reached(); } return res; bad_reg: |