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author | Nicholas Piggin <npiggin@gmail.com> | 2019-12-08 22:22:48 +1000 |
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committer | Oliver O'Halloran <oohall@gmail.com> | 2019-12-16 14:50:56 +1100 |
commit | 518e55426f4ae7298eb13f8b64e1c6839131f3d7 (patch) | |
tree | b547a355d108cdf269f96112577e3070047df1cf | |
parent | c47b2ffdd5c5116bd4782df388cfca4d89189dff (diff) | |
download | skiboot-518e55426f4ae7298eb13f8b64e1c6839131f3d7.zip skiboot-518e55426f4ae7298eb13f8b64e1c6839131f3d7.tar.gz skiboot-518e55426f4ae7298eb13f8b64e1c6839131f3d7.tar.bz2 |
spira: fix endian conversions in spira data structures
Labels can't be used for static initialisers that require endian
conversion. Use constants for these.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
-rw-r--r-- | hdata/spira.c | 59 | ||||
-rw-r--r-- | hdata/test/hdata_to_dt.c | 3 |
2 files changed, 40 insertions, 22 deletions
diff --git a/hdata/spira.c b/hdata/spira.c index 6e4da3c..2d0e875 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -33,41 +33,61 @@ __section(".procin.data") struct proc_init_data proc_init_data = { .regs_ptr = HDIF_IDATA_PTR(offsetof(struct proc_init_data, regs), 0x10), .regs = { .nia = CPU_TO_BE64(0x180), - .msr = CPU_TO_BE64(0x9000000000000000ULL), /* SF | HV */ + .msr = CPU_TO_BE64(MSR_SF | MSR_HV), }, }; +extern struct cpu_ctl_init_data cpu_ctl_init_data; extern struct sp_addr_table cpu_ctl_spat_area; -__section(".cpuctrl.data") struct sp_addr_table cpu_ctl_spat_area; -__section(".cpuctrl.data") struct sp_attn_area cpu_ctl_sp_attn_area1; -__section(".cpuctrl.data") struct sp_attn_area cpu_ctl_sp_attn_area2; +extern struct sp_attn_area cpu_ctl_sp_attn_area1; +extern struct sp_attn_area cpu_ctl_sp_attn_area2; extern struct hsr_data_area cpu_ctl_hsr_area; + +/* + * cpuctrl.data begins at CPU_CTL_OFF - cpu_ctl_init_data is located there. + * + sizeof(struct cpu_ctl_init_data) - cpu_ctl_spat_area + * + sizeof(struct sp_addr_table) - cpu_ctl_sp_attn_area1 + * + sizeof(struct sp_attn_area) - cpu_ctl_sp_attn_area2 + * + sizeof(struct sp_attn_area) - cpu_ctl_hsr_area + * + * Can't use CPU_TO_BE64 directly on the labels as a constant initialiser. + * + * CPU_CTL_INIT_DATA_OFF is offset from 0, the others are addressed from the + * relocated address (+SKIBOOT_BASE) + */ +#define CPU_CTL_INIT_DATA_OFF (CPU_CTL_OFF) +#define CPU_CTL_SPAT_AREA_OFF (CPU_CTL_INIT_DATA_OFF + sizeof(struct cpu_ctl_init_data) + SKIBOOT_BASE) +#define CPU_CTL_SP_ATTN_AREA1_OFF (CPU_CTL_SPAT_AREA_OFF + sizeof(struct sp_addr_table)) +#define CPU_CTL_SP_ATTN_AREA2_OFF (CPU_CTL_SP_ATTN_AREA1_OFF + sizeof(struct sp_attn_area)) +#define CPU_CTL_HSR_AREA_OFF (CPU_CTL_SP_ATTN_AREA2_OFF + sizeof(struct sp_attn_area)) + __section(".cpuctrl.data") struct hsr_data_area cpu_ctl_hsr_area; +__section(".cpuctrl.data") struct sp_attn_area cpu_ctl_sp_attn_area2; +__section(".cpuctrl.data") struct sp_attn_area cpu_ctl_sp_attn_area1; +__section(".cpuctrl.data") struct sp_addr_table cpu_ctl_spat_area; -extern struct cpu_ctl_init_data cpu_ctl_init_data; __section(".cpuctrl.data") struct cpu_ctl_init_data cpu_ctl_init_data = { .hdr = HDIF_SIMPLE_HDR(CPU_CTL_HDIF_SIG, 2, struct cpu_ctl_init_data), - .cpu_ctl = HDIF_IDATA_PTR(offsetof(struct cpu_ctl_init_data, cpu_ctl_lt), sizeof(struct cpu_ctl_legacy_table)), -#if !defined(TEST) + .cpu_ctl = HDIF_IDATA_PTR(offsetof(struct cpu_ctl_init_data, cpu_ctl_lt), + sizeof(struct cpu_ctl_legacy_table)), .cpu_ctl_lt = { .spat = { - .addr = CPU_TO_BE64((unsigned long)&(cpu_ctl_spat_area) + SKIBOOT_BASE), + .addr = CPU_TO_BE64(CPU_CTL_SPAT_AREA_OFF), .size = CPU_TO_BE64(sizeof(struct sp_addr_table)), }, .sp_attn_area1 = { - .addr = CPU_TO_BE64((unsigned long)&(cpu_ctl_sp_attn_area1) + SKIBOOT_BASE), + .addr = CPU_TO_BE64(CPU_CTL_SP_ATTN_AREA1_OFF), .size = CPU_TO_BE64(sizeof(struct sp_attn_area)), }, .sp_attn_area2 = { - .addr = CPU_TO_BE64((unsigned long)&(cpu_ctl_sp_attn_area2) + SKIBOOT_BASE), + .addr = CPU_TO_BE64(CPU_CTL_SP_ATTN_AREA2_OFF), .size = CPU_TO_BE64(sizeof(struct sp_attn_area)), }, .hsr_area = { - .addr = CPU_TO_BE64((unsigned long)&(cpu_ctl_hsr_area) + SKIBOOT_BASE), + .addr = CPU_TO_BE64(CPU_CTL_HSR_AREA_OFF), .size = CPU_TO_BE64(sizeof(struct hsr_data_area)), }, }, -#endif }; /* Populate MDST table @@ -131,15 +151,12 @@ __section(".spira.data") struct spira spira = { .alloc_len = CPU_TO_BE32(sizeof(init_mdst_table)), }, -#if !defined(TEST) .cpu_ctrl = { - .addr = CPU_TO_BE64((unsigned long)&cpu_ctl_init_data), + .addr = CPU_TO_BE64(CPU_CTL_INIT_DATA_OFF), .alloc_cnt = CPU_TO_BE16(1), .act_cnt = CPU_TO_BE16(1), - .alloc_len = - CPU_TO_BE32(sizeof(cpu_ctl_init_data)), + .alloc_len = CPU_TO_BE32(sizeof(cpu_ctl_init_data)), }, -#endif }, }; @@ -170,15 +187,13 @@ __section(".spirah.data") struct spirah spirah = { .alloc_len = CPU_TO_BE32(sizeof(struct proc_init_data)), }, -#if !defined(TEST) .cpu_ctrl = { - .addr = CPU_TO_BE64((unsigned long)&cpu_ctl_init_data), + .addr = CPU_TO_BE64(CPU_CTL_INIT_DATA_OFF), .alloc_cnt = CPU_TO_BE16(1), .act_cnt = CPU_TO_BE16(1), .alloc_len = CPU_TO_BE32(sizeof(cpu_ctl_init_data)), }, -#endif .mdump_src = { .addr = CPU_TO_BE64(MDST_TABLE_OFF), .alloc_cnt = CPU_TO_BE16(MDST_TABLE_SIZE / sizeof(struct mdst_table)), @@ -1695,8 +1710,8 @@ static void update_spirah_addr(void) if (proc_gen < proc_gen_p9) return; - *spirah_offset = SPIRAH_OFF; - *spira_offset = SPIRA_OFF; + *spirah_offset = CPU_TO_BE64(SPIRAH_OFF); + *spira_offset = CPU_TO_BE64(SPIRA_OFF); spirah.ntuples.hs_data_area.addr = CPU_TO_BE64(SPIRA_HEAP_BASE - SKIBOOT_BASE); spirah.ntuples.mdump_res.addr = CPU_TO_BE64(MDRT_TABLE_BASE - SKIBOOT_BASE); #endif diff --git a/hdata/test/hdata_to_dt.c b/hdata/test/hdata_to_dt.c index 4605d50..11b7a3a 100644 --- a/hdata/test/hdata_to_dt.c +++ b/hdata/test/hdata_to_dt.c @@ -67,6 +67,9 @@ unsigned long tb_hz = 512000000; #define SPR_PVR 0x11f /* RO: Processor version register */ +#define MSR_SF 0x8000000000000000ULL +#define MSR_HV 0x1000000000000000ULL + #define __CPU_H struct cpu_thread { uint32_t pir; |