Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7332
-gerrit
commit 83af677581912d177fec40de7b6bb3d89f048bd8 Author: Vladimir Serbinenko phcoder@gmail.com Date: Tue Nov 4 21:18:25 2014 +0100
amdk8: Move to implicit length patching
Change-Id: I8b4c36adaa7ea791ae1a8f7c0d059b9201b08f94 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/cpu/amd/model_fxx/powernow_acpi.c | 62 ++++++++++-------------- src/include/cpu/amd/powernow.h | 2 +- src/mainboard/siemens/sitemp_g1p1/acpi_tables.c | 7 ++- src/northbridge/amd/amdk8/acpi.c | 64 +++++++++++-------------- 4 files changed, 57 insertions(+), 78 deletions(-)
diff --git a/src/cpu/amd/model_fxx/powernow_acpi.c b/src/cpu/amd/model_fxx/powernow_acpi.c index a294cd2..21809af 100644 --- a/src/cpu/amd/model_fxx/powernow_acpi.c +++ b/src/cpu/amd/model_fxx/powernow_acpi.c @@ -30,23 +30,23 @@ #include <cpu/amd/amdk8_sysconf.h> #include <arch/cpu.h>
-static int write_pstates_for_core(u8 pstate_num, u16 *pstate_feq, u8 *pstate_vid, - u8 *pstate_fid, u32 *pstate_power, int coreID, - u32 pcontrol_blk, u8 plen, u8 onlyBSP, u32 control) +static void write_pstates_for_core(u8 pstate_num, u16 *pstate_feq, u8 *pstate_vid, + u8 *pstate_fid, u32 *pstate_power, int coreID, + u32 pcontrol_blk, u8 plen, u8 onlyBSP, u32 control) { - int lenp, lenpr, i; + int i;
if ((onlyBSP) && (coreID != 0)) { plen = 0; pcontrol_blk = 0; }
- lenpr = acpigen_write_processor(coreID, pcontrol_blk, plen); - lenpr += acpigen_write_empty_PCT(); - lenpr += acpigen_write_name("_PSS"); + acpigen_write_processor(coreID, pcontrol_blk, plen); + acpigen_write_empty_PCT(); + acpigen_write_name("_PSS");
/* add later to total sum */ - lenp = acpigen_write_package(pstate_num); + acpigen_write_package(pstate_num);
for (i = 0;i < pstate_num;i++) { u32 status, c2; @@ -56,21 +56,19 @@ static int write_pstates_for_core(u8 pstate_num, u16 *pstate_feq, u8 *pstate_vid (pstate_vid[i] << 6) | pstate_fid[i];
- lenp += acpigen_write_PSS_package(pstate_feq[i], - pstate_power[i], - 0x64, - 0x7, - c2, - status); + acpigen_write_PSS_package(pstate_feq[i], + pstate_power[i], + 0x64, + 0x7, + c2, + status); } /* update the package size */ - acpigen_patch_len(lenp - 1); + acpigen_pop_len();
- lenpr += lenp; - lenpr += acpigen_write_PPC(pstate_num); + acpigen_write_PPC(pstate_num); /* patch the whole Processor token length */ - acpigen_patch_len(lenpr - 2); - return lenpr; + acpigen_pop_len(); }
#if CONFIG_K8_REV_F_SUPPORT @@ -81,7 +79,6 @@ static int write_pstates_for_core(u8 pstate_num, u16 *pstate_feq, u8 *pstate_vid
static int pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) { - int len; u8 processor_brand[49]; u32 *v, control; struct cpuid_result cpuid1; @@ -358,8 +355,6 @@ static int pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP)
write_pstates:
- len = 0; - control = (0x3 << 30) | /* IRT */ (0x2 << 28) | /* RVO */ (0x1 << 27) | /* ExtType */ @@ -368,12 +363,10 @@ write_pstates: (0x5 << 11); /* VST */
for (index = 0; index < (cmp_cap + 1); index++) { - len += write_pstates_for_core(Pstate_num, Pstate_feq, Pstate_vid, + write_pstates_for_core(Pstate_num, Pstate_feq, Pstate_vid, Pstate_fid, Pstate_power, index, pcontrol_blk, plen, onlyBSP, control); } - - return len; }
#else @@ -760,7 +753,7 @@ static int pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) u8 cmp_cap; struct cpuentry *data = NULL; uint32_t control; - int i = 0, index = 0, len = 0, Pstate_num = 0, dev = 0; + int i = 0, index = 0, Pstate_num = 0, dev = 0; msr_t msr; u8 Pstate_fid[MAXP+1]; u16 Pstate_feq[MAXP+1]; @@ -836,8 +829,6 @@ static int pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) * time = value*1uS (often seen value: 2uS) */
- len = 0; - Pstate_fid[0] = Max_fid; Pstate_feq[0] = fid_to_freq(Max_fid); Pstate_vid[0] = Max_vid; @@ -864,28 +855,23 @@ static int pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) continue;
for (i = 0; i < (cmp_cap + 1); i++) { - len += write_pstates_for_core(Pstate_num, Pstate_feq, Pstate_vid, + write_pstates_for_core(Pstate_num, Pstate_feq, Pstate_vid, Pstate_fid, Pstate_power, index+i, pcontrol_blk, plen, onlyBSP, control); } index += i; } printk(BIOS_DEBUG,"%d Processor objects emitted to SSDT\n",index); - - return len; }
#endif
-int amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP) +void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP) { - int lens; char pscope[] = "\_PR";
- lens = acpigen_write_scope(pscope); - lens += pstates_algorithm(pcontrol_blk, plen, onlyBSP); - //minus opcode - acpigen_patch_len(lens - 1); - return lens; + acpigen_write_scope(pscope); + pstates_algorithm(pcontrol_blk, plen, onlyBSP); + acpigen_pop_len(); } diff --git a/src/include/cpu/amd/powernow.h b/src/include/cpu/amd/powernow.h index 4a122b8..c7313a9 100644 --- a/src/include/cpu/amd/powernow.h +++ b/src/include/cpu/amd/powernow.h @@ -20,6 +20,6 @@ #ifndef POWERNOW_H #define POWERNOW_H
-int amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP); +void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP);
#endif diff --git a/src/mainboard/siemens/sitemp_g1p1/acpi_tables.c b/src/mainboard/siemens/sitemp_g1p1/acpi_tables.c index a982883..1ff0c5d 100644 --- a/src/mainboard/siemens/sitemp_g1p1/acpi_tables.c +++ b/src/mainboard/siemens/sitemp_g1p1/acpi_tables.c @@ -96,14 +96,13 @@ void mainboard_inject_dsdt(void) global_vars_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, GLOBAL_VARS_SIZE);
if (gnvs) { - int scopelen; memset(gnvs, 0, sizeof(*gnvs)); acpi_write_gvars(gnvs);
/* Add it to SSDT. */ - scopelen = acpigen_write_scope("\"); - scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs); - acpigen_patch_len(scopelen - 1); + acpigen_write_scope("\"); + acpigen_write_name_dword("NVSA", (u32) gnvs); + acpigen_pop_len(); } }
diff --git a/src/northbridge/amd/amdk8/acpi.c b/src/northbridge/amd/amdk8/acpi.c index 96e618f..210dd3b 100644 --- a/src/northbridge/amd/amdk8/acpi.c +++ b/src/northbridge/amd/amdk8/acpi.c @@ -234,71 +234,65 @@ unsigned long northbridge_write_acpi_tables(unsigned long start, acpi_rsdp_t *rs }
-static int k8acpi_write_HT(void) { - int len, lenp, i; +static void k8acpi_write_HT(void) { + int i;
- len = acpigen_write_name("HCLK"); - lenp = acpigen_write_package(HC_POSSIBLE_NUM); + acpigen_write_name("HCLK"); + acpigen_write_package(HC_POSSIBLE_NUM);
for(i=0;i<sysconf.hc_possible_num;i++) { - lenp += acpigen_write_dword(sysconf.pci1234[i]); + acpigen_write_dword(sysconf.pci1234[i]); } for(i=sysconf.hc_possible_num; i<HC_POSSIBLE_NUM; i++) { // in case we set array size to other than 8 - lenp += acpigen_write_dword(0x0); + acpigen_write_dword(0x0); }
- acpigen_patch_len(lenp - 1); - len += lenp; + acpigen_pop_len();
- len += acpigen_write_name("HCDN"); - lenp = acpigen_write_package(HC_POSSIBLE_NUM); + acpigen_write_name("HCDN"); + acpigen_write_package(HC_POSSIBLE_NUM);
for(i=0;i<sysconf.hc_possible_num;i++) { - lenp += acpigen_write_dword(sysconf.hcdn[i]); + acpigen_write_dword(sysconf.hcdn[i]); } for(i=sysconf.hc_possible_num; i<HC_POSSIBLE_NUM; i++) { // in case we set array size to other than 8 - lenp += acpigen_write_dword(0x20202020); + acpigen_write_dword(0x20202020); } - acpigen_patch_len(lenp - 1); - len += lenp; - - return len; + acpigen_pop_len(); }
-static int k8acpi_write_pci_data(int dlen, const char *name, int offset) { +static void k8acpi_write_pci_data(int dlen, const char *name, int offset) { device_t dev; uint32_t dword; - int len, lenp, i; + int i;
dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
- len = acpigen_write_name(name); - lenp = acpigen_write_package(dlen); + acpigen_write_name(name); + acpigen_write_package(dlen); for(i=0; i<dlen; i++) { dword = pci_read_config32(dev, offset+i*4); - lenp += acpigen_write_dword(dword); + acpigen_write_dword(dword); } // minus the opcode - acpigen_patch_len(lenp - 1); - return len + lenp; + acpigen_pop_len(); }
void k8acpi_write_vars(void) { - int lens; msr_t msr; char pscope[] = "\_SB.PCI0";
- lens = acpigen_write_scope(pscope); - lens += k8acpi_write_pci_data(4, "BUSN", 0xe0); - lens += k8acpi_write_pci_data(8, "PCIO", 0xc0); - lens += k8acpi_write_pci_data(16, "MMIO", 0x80); - lens += acpigen_write_name_byte("SBLK", sysconf.sblk); - lens += acpigen_write_name_byte("CBST", + acpigen_write_scope(pscope); + k8acpi_write_pci_data(4, "BUSN", 0xe0); + k8acpi_write_pci_data(8, "PCIO", 0xc0); + k8acpi_write_pci_data(16, "MMIO", 0x80); + acpigen_write_name_byte("SBLK", sysconf.sblk); + acpigen_write_name_byte("CBST", ((sysconf.pci1234[0] >> 12) & 0xff) ? 0xf : 0x0); - lens += acpigen_write_name_dword("SBDN", sysconf.sbdn); + acpigen_write_name_dword("SBDN", sysconf.sbdn); msr = rdmsr(TOP_MEM); - lens += acpigen_write_name_dword("TOM1", msr.lo); + acpigen_write_name_dword("TOM1", msr.lo); msr = rdmsr(TOP_MEM2); /* * Since XP only implements parts of ACPI 2.0, we can't use a qword @@ -308,11 +302,11 @@ void k8acpi_write_vars(void) * Shift value right by 20 bit to make it fit into 32bit, * giving us 1MB granularity and a limit of almost 4Exabyte of memory. */ - lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20); + acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
- lens += k8acpi_write_HT(); + k8acpi_write_HT(); //minus opcode - acpigen_patch_len(lens - 1); + acpigen_pop_len(); }
void update_ssdtx(void *ssdtx, int i)